50 turn, very fast, right 3. Very fast, right 3. 300. Right 3, dip 150. That goes long, 200. That goes long, 200. Fast left 2. Fast left 2, 300. That goes long, 100. Turn fast left 3, sharp light. Fast left 3, sharp light. 300. Fast left 2. 300. Step 1 into right 2. Into right 2, into left 1. Half a request. Into right 2. Right 200. Fast right 2, long. Fast right 2, long. 100. Fast right 2, 1. 50. Fast left 2, 1. Long tight to bit. That's bit 100. Right 1. 100. Fast left 2. Open. Fast left 2. Open. Then fast right 1. Very long. Then fast left 2. Very long. Of course tight to bit. Left 2. Very long. Then caution fast right 4. Caution fast 4.


Welcome back, I'm DroneTech and we're gonna watch Jim Acosta get manhandled by Matt Schlapp over at CPAC But first this quick message from healthwithdronetech.com New studies show that by the time people reach their middle ages The body often produces less than half the collagen it did in youth. Collagen is the main building block in our skin Making up 70 to 80% of it This is why we get sagging skin and wrinkles as we age. If you want to look younger you must supplement collagen That's exactly why I highly recommend healthwithdronetech.com Ageless multi-collagen is a powerhouse of the right ingredients to improve your youthful appearance quickly and effectively Get my favorite multi-collagen for 51% off today by going to www.healthwithdronetech.com Or by visiting the link in the description or pinned comment You just told me that that's actually not right You just told me that there was illegal voting in the last election You don't know how many did you sit down with the team in the bad? Let me finish did you sit down with a team in the bad or Georgia these states and ever go through the binders of information That good patriotic Americans came up, but did you ever talk to overturn results of the election? How could you know that when you don't know the number? Don't you just love how CNN and Jim Acosta and Democrats give themselves the ability to question any election They want to but if you have any questions about elections that Democrats win well You're just an insane conspiracy theory monster here Jim Acosta is getting indignant that anybody would question the previous election when he himself did that very thing for the last four years Oh, but don't you know claiming the election was hacked by Russia and stolen is completely different than being a Republican and claiming the election was stolen That's what I'd like you to do is to read Time magazine and to read the New York Times and to read the Washington Post They're saying it's less than a hundred thousand votes that separated the two man electorally and he just said that conservative spurred violence, but you can't use any words you admit that there's Okay, wait his claim is that Trump somehow inspired the violence at the Capitol, but he has no idea What words Trump actually said that did that then claims that his evidence for this is that there were Trump supporters at the Capitol? Oh, really? Well as we all know by now there were a lot of Biden Democrat party supporters there as well at least one of them was there with the goal of inciting violence Which he did on video and then got paid for it by CNN and MSNBC You're comparing you're comparing me to a man.  He's so dishonest He's clearly trying to connect these people to the Nazis and then when he's called on it Oh, no, no, that's not what I'm doing Why else would you accuse them of telling a big lie something that is well known as a Nazi propaganda tactic? If we're gonna talk about big lies How about the one that the media told for the last four years that Trump lost the election and it was stolen by Russia? That's all we heard and it all started with the steel dossier. What was the steel dossier? It was Russian disinformation put together by a Russian spy who the FBI called a national security threat But no, it was a big lie that was repeated over and over again by the media Remember this exchange between Acosta and Trump when Acosta asked him about the steel dossier I think it was a disgraceful disgraceful that the intelligence agencies Allowed any information that turned out to be so false and fake out I Think it's a disgrace and I say that and I say that and that's something that Nazi Germany would have done and did Do I think it's a disgrace that? Information that was false and fake and never happened got released to the public Go ahead No, not you not you give us a chance your organization's terrible Your organization's terrible. Let's go question sir. Go ahead sir. Quiet. Quiet. Mr. President like go ahead She's asking a question. Don't be rude. Can you give us a question?  Don't be rude. No, I'm not gonna give you a question.  Oh, what a surprise Jim Acosta ended up being totally wrong and Trump ended up being a hundred percent correct I can think of another great example of Jim Acosta being an arrogant twat and then ending up being completely wrong remember the exchange between Jim Acosta and Trump during that infamous press conference after Charlottesville Trump claimed that the Same warped logic being used to tear down Confederate statues would eventually be used to take down Washington and Jefferson Jim Acosta mocked this idea and claimed get this that Trump needed to go back to history class and that this proved that he's a white nationalist felt very comfortable espousing some views that are very I mean I would say they're they're almost white nationalist light In that he was complaining Bemoaning the removal of Confederate statues across the country and asking whether or not rock whether or not George Washington and Thomas Jefferson are next Those symbols of the Confederacy caused so much hurt caused so much pain for so many Americans across the country It is really understandable to most level-headed Rational Americans that these kinds of monuments these kinds of symbols Eventually just need to come down and to compare them to George Washington and Thomas Jefferson President perhaps needs a refresher course needs to go back to history 101 I think that's all I have to say about this one It's nice to see good people standing up against corrupt bullies like Jim Acosta Who literally lied to the faces of the American people for a paycheck if you enjoyed it Please hit that like button share and subscribe. Don't forget to hit that bell icon as well, and I'll see you all next video


Na hitu apa? Achan diyo uyo Biku na malizu apa pa No? Ameliembia favorite singoliake Joko albeme bien Niliam edikete ya waifu yake Na we wu jaika chinu komondiki ya u Nini ni wewuna letan ita Nini ni mi me sema Nini mi si yae Nini mi mi mi me sema Ni kuere Ni ni nina kusimia Ume Duna mene songs are written from my beautiful wife? Nno, beb with my name Exactly I want with my name You know very well Listen Di tete Nha Des songs I have done for this girl Inspired by this girl Are very many And I thank her for inspiring me But you know I can't put your name there Just put one Because Just one Yeah Am I asking for too much Okay Na we wu Your intervumation Na we wu Thank you guys Mutu esi imbiyamu na husbandwake Sula we a good Alright Wahoo A legend Mambo Vipe Fiti how are you?  Issues me mingi Muna church kwa gru Muna manizake One on one me enda date Kama kiboko How do I deal with what exactly? Issues I mean Inategeme What we are dealing with You know I believe in Being friends with my kids At the same time Finding a way to discipline But being friends So that they can come and tell me anything That they are going through And I can be there for them I want my kids to know I'm there for them I want them to be better versions than me So for me It's always coming from that perspective I want you to know You can count on me You can trust me If I need to discipline I will discipline Of course Teenager discipline Yake ni tofa uti kwa 10-year-old Una ni elewa But I believe in that as well It's one package You can't have one without the rest We are here for the amazing experience A lusa wa itopla Biyan solo kariha Mihanza lewi A la Mi na onaka mailiyanza kitambokidogo Wanyu wazia mi ina li kwa nasemani Li kwa hideside hustle It's been an amazing event I've loved everything It's been a beautiful Beautiful experience I was there in the front row I've enjoyed listening to the album And I think everybody should go stream it Yeah Do you have any favourites? Wow The song he wrote for his wife I guess because I'm just a wife In fact I was asking This is my husband as always And a song dedicated to me What's up with that? What's up with that? But I thought it was so beautiful About the time when he was proposing And she said yes I thought that song was good I have many favourites But I think that one For me has stood out the most You're very close to Biyan maybe I don't know what's your relationship Apart from music Biyan We are friends We are really good friends Him and my husband They have a beautiful relationship He's like our kid brother So there was once we were neighbours Which was so much fun hanging out What's up with that? What's up with that? What's up with that? What's up with that? It's been a favourite single The album is Biyan I've loved it Where did you come from? I'm from Semah We're from Semah We're from Semah Do you know how many songs are written For my beautiful wife? No, but with my name Exactly I want with my name You know very well Listen The songs I have done Inspired by this girl Are very many And I thank her for inspiring me But you know I can't put your name there Just put one Just one Am I asking for too much? Okay Now where? Your interview Now where? Thank you guys Muntresia mbihama Hasbandwake Muntresia mbihama Hasbandwake What's up with that? Checking Checking What's up with that? What's up with that? What's up with that? It's okay but wow It's okay but wow What's up with that? Love Why are you turning this thing? I don't know I don't know What's up with that? Muntresia mbihama What's up with that?


Hi everyone, Sean with jaspyscasebrakes.com here doing 2019-2020 prism blaster one box random team number 32 The last filler for eminence break coming up next $3,700 spot we're giving away at the end of the break so this works 30 spots I'm gonna get to random team in the one box break of 1920 prism blaster No vet common ship at the end of the break will take all 30 names top spot wins a spot in the $3,700 eminence random hit break that's coming up next Sold out so Here is our list of customers from Gretchen Tiernan down to Joseph Barton with last spot mojo and Our teams from the Atlanta Hawks down to the Washington Wizards dice roll and randomizer This is for the blaster box break itself. We'll do a separate dice roll and randomizer at the end of the break Just for the giveaway so four and a two six times six in final time from Gary Myers down to Gretchen Tiernan You'll see six times there on the randomizer six times there on the dice and Six times on the teams Six in final time from the Warriors down to the Mavericks Six times six on the dice There you go. No trade window. I'm not gonna read through every single one of the teams But we'll go through the highlights as we are getting it all on screen so Spurs Keldon Johnson Matt Hagan Bulls Kobe white Gretchen Tiernan Hornets PJ Washington William Tiernan Wizards Rui Gretchen Tiernan Grizzlies Jamerant Brendan Gengrich Gengrich Nick's RJ Barrett Nick Stober Lakers LeBron Joseph Barton Hawks Cam Reddish there for Christopher Pelicans Zion Williamson Joseph Barton Miami Heat Tyler Hero Gretchen Tiernan Sons Cameron Johnson Christian Christopher Perar and Mavericks Luca Donchich Gretchen There you go. So let's print rip. So here's our last filler box and then eminence Here's the final lists Joseph last spot mojo with the Timber Bulls Jack Culver Jalen Noel I'll check it out John them because I was just doing spots for that I would but I was still in spots for number two. I thought was it number one Whichever one is I was doing spots for it if it sold out it just sold out also So I'll check it out though after the eminence No, uh No relic. So did we get nada? Let's see Mo Bamba Silver for the Orlando Magic Gretchen Tiernan Lucas Amonich for the Spurs Matt Hagan Andre Roberson Purple Wave for the Thunder Gretchen Tiernan DeAndre Hunter for the Hawks Christopher Ferrara Jordan Bone for the Pistons Gretchen Tiernan Colby White for the Bulls Gretchen Tiernan and John Morant back-to-back breaks Prism base this time Grizzlies Brendan Gingrich there you go Brendan Congrats, man LeBron James finalists for the Cavaliers William Tiernan I think we did get an auto Maybe Yeah, Josh Richardson Philadelphia 76ers Shawn Matic Derek Rose for the Pistons Gretchen Tiernan. There you go Not bad for a little plaster break there Get LeBron John Morant base and an auto Yes, please Not too shabby now Let's give away the big part $3,700 spot in this eminence case. It's coming up next. That's a little background there So here is the customer list again from Gretchen down to Joseph Barton dice roll name on top after Five and a five ten times are gonna make you sweat for it ten the hard way 10th and final time So ten times on the randomizer Ten times on the dice So from spots two down to 30. Thank you guys very much for getting in on this and hopefully I can do better for you next time on another filler, but Special congratulations and thank you to Christopher Ferrara You just got yourself a $3,700 spot in the eminence break coming up next Ten times on the randomizer ten times on the dice and it's yours Congratulations, man That was 2019 2020 prison blaster one box break random team number 32 from jaspys case breaks calm eminence coming up next Jaspys case breaks calm. I'm Sean. Thanks for hanging out and I'll see you next time


Mr. Philip, perhaps all right. Am I on? Yes. All right. Let's see if I can Not walk over any cables All right, so this presentation is entitled 3DSD is not a Linux distribution and Whatever you take away from this presentation You should be sued by the fact that it is not a Linux distribution. Am I feeding back? Okay? It is not a Linux distribution. So you can relax calm. There's no anger. There's nothing Nothing to be afraid of it is not a Linux distribution. There is everything is fine And we've had a lot of Linux presentations at this conference I think there's a parallel track about it, and I'm just here to tell you that you know, you don't have to live this way it is in fact possible to find a Unix operating system which does not make you angry comes with all sorts of nice features and Just does not present any surprises along the way So thank you all for the introduction. My name is Philip Papps. I'm wearing many different hats The hat I wear today is the director of the free me as the foundation We previous the foundation supports the free me as the project in many interesting ways From meals to hardware We are a charity registered in Boulder, Colorado in the US and we take money from companies and individuals Who use 3bsd and feel that it needs to be improved and we spent this money on sponsoring conferences and Organizing BSD conferences and arranging travel for BSD developers to conferences around the world We also spend our funds on Hardware and improving support for free BSD for different kinds of hardware and different kind of platforms so if you actually use 3bsd is anyone in this room using 3bsd in production or Yes, good the usual suspect anyone else. Ah, good. Very good. So at least a handful of you If any of you happen to have too much money Lying around and you have fiscal incentives to get rid of it. The free BSD foundation will be happy to relieve you of this burden and use it to improve So that was the free BSD foundation. So who so you know, that was the organization. Who am I? I'm a Colonel hacker. I live in the mystical world below the system called there And I'm also a conference organizer repeat offender. I apparently I cannot attend the conference without somehow ending up Organizing it or doing something. I don't know how this happened that it just happened I'm also a consultant. So I'm in the business of Telling people that they're doing it wrong and getting paid for it but my My my domain where I live. I live mostly in device drivers. I live in real-time operating systems I also have a troubled history with electronics party 30 radios and I'm a professional paranoid So as we go through this presentation you'll find the Colonel hacker the professional paranoid and You know the hardware the simple hardware mind creeping in from time to time. So bear that in mind Also, this presentation was originally written by George Neville Neil another free BSD foundation director who has many similar Properties in his background, you know, except for the electronics bits. So on with the show What is this free BSD thing?   No, we're not We produce an operating system a complete operating system unlike some other open-source operating systems We feel we take a more holistic view of what an operating system is. We don't just produce a kernel We don't just produce a bunch of tools. We don't just produce a bunch of libraries We actually produce an entire operating system with all the build glue you need to Build it yourself and to build your own release of it. So if you're familiar with Linux, you might have heard the word distribution Once or twice and it makes you cry a Linux distribution is a collection of tools written by different groups of people with often conflicting interests and Priorities and somehow it works maybe a little bit Free BSD is a complete operating system produced by a team of people who feel that they are producing an operating system There are no conflicting interests in the previous the project So the people who maintain the kernel are also the people who maintain the C library the people who maintain LS and stats and all that sort of goodness, which I understand lives above the system call layer We produce our operating system and we also produce the tools to to build it and to maintain it So if you check out free BSD, we'll comment it up in a moment You get everything you need you basically if you have free BSD you are ready to code as soon as you install it Free BSD is a post it's like operating system and at last counts. We support 24,000 Third-party packages in our ports tree or our package system So any piece of software you're familiar with on other post it's like operating systems and even Linux We'll also just work on free BSD. So you package install engine X and you have engine X Just like you would expect it on another operating system And in addition to all this operating system tools and third-party glue we also document everything So I was smirking at some of the presentations earlier this morning. I think my man in particular was looking up what the you know, what does the CPU load average? What does that mean and Typed it into some search engine and then went on to stack exchange and you know many many layers of Searching later. He found out that the answer was well. Nobody really knows what the CPU load average with what that means The previous the project feels that you should not have to go through this So we provide documentation so that if you want to know what is the CPU load average you can do You know man minus K of time or some other tool that gives you the CPU load average And it will tell you the CPU load average is the weighted average of all the processes in the run queue and it is determined by Etc. So we have documentation that will hopefully make your life easier and we are also an open-source community So the the operating system does not stand by itself It's a community of like-minded individuals that produces the system and we hang out at conferences And we you know we turn up in places. So I'll tell you a bit about the community as well So Okay, who uses this 3dsd thing for five people in this room or six people in this room great I don't know if your names wrong here, but at least I hope some of these names should be familiar to you I think particularly WhatsApp is quite popular in India. I think it's a messaging application for phones They run on 3dsd Entirely so all of their servers all of their stuff runs on 3dsd and they admits to running 3dsd Another example of a company running 3dsd very successfully is NetApp if you have a lot of data does anyone use NetApp? probably Not willing to admit to it. NetApp is a big company producing storage systems for people with a lot of data Who care about data their on-tap operating system is basically a fork of 3dsd and they just track 3dsd Panasas and Dell well Dell EMC have similar service use cases. They take the 3dsd operating system they make their own builds and they call it whatever their operating system is and But really it's just 3dsd. So a lot of these names are in the storage industry. So Panasas, Dell and Whatever they are at the top that's all storage. So that's one Area where 3dsd is very popular Another area where 3dsd is popular is networking. So Juniper network says the usual example Juniper makes routers and switches and other networking equipment firewalls and other stuff that lives there and their Junos Operating system is basically a fork of 3dsd the control plane of your Juniper router is basically a 3dsd machine which talks to the actual forwarding engines other examples Yahoo Yahoo Mail runs on 3dsd still does It's remarkable that it works and then Apple is another good example of someone using 3dsd Apple takes the 3dsd user space and parts of the kernel Merges it with the mock VM system and mock ports and some other stuff at their own secret sauce and they call it macOSX I call macOSX. I call it pretty BSD. It's Unix for the desktop So, you know And Netflix of course, thank you Tom another company in the networking industry Netflix I think is responsible for about what 30 or more percent more than half the internet bits flowing across the internet on any given day All of those bits flow across 3dsd machines Netflix's gashes are basically 3dsd machines tuned to deal with this massive storage influx of moving pictures just pushed into 3dsd machine So all of these are big companies so 3dsd is not this marginal, you know thing Which doesn't really exist and it's not been dying since 1998 or whenever slash cops came up with that 3dsd is really real and is being used by Many companies and you might be wondering why are they using this? Well, you know, why are they using this? They are using it because 3dsd has a history of innovation and gradual innovation Over a longer period of time so the 3dsd project will bring something up and we'll develop it and then you know Five years or ten years later. We'll find it in other operating systems like you know the next We produce great tools The 3dsd is more than the sum of its parts and there are many companies We just like the fact that they can take a part of 3dsd and use it in their application People in this room who shall remain nameless have short parts of 3dsd in the space people who shall remain nameless have used 3dsd part of the 3dsd operating system on embedded networking devices so components of 3dsd just find their way everywhere and the tools are great and they stand alone well And 3dsd also has a very mature release model So we'll historically we released when it was ready and that didn't really work very well So about ten years ago. We started releasing software roughly every six months We say, you know, maybe it's time to roll a release So we go into code freeze and we are flush and you know We polish we add fit and polish to our operating system and then we release it and we move on So we have a branch development model, which I'll talk about a bit later And this model is easy for companies to follow. So if you are the Juniper of the world or you're a Netflix of the world You want your upstream operating system to be easy to follow if you can trust this with say Linux Where every couple of weeks someone throws a kernel over the wall and you know, maybe it works Maybe it doesn't maybe it boots. Maybe it doesn't and the kernel then goes in conflicts with the other release models of say the C library which has the same release model, you know, maybe it's ready Maybe it isn't and I could you've ever built an embedded Linux system, you know that you can get no no three versions of lip see the Linux kernel and I don't know the compiler will ever want to work together You don't have this problem in previous because all of us have the same goals. We all work towards same operating system We don't buy Companies who use review the also really appreciate our documentation and the fact that it's available in many languages George originally gave the stock in China and pointed out that hey the freebie of the handbook are our main Corpus of documentation has been translated into Chinese and it's a very well maintained Translation I took a look at the Indic languages and unfortunately The only official language of India, which has a good translation of the freebie of the handbook happens the English So if any of you like translating documentation, you are encouraged to join the freebie of the project I'll talk about that in a moment and translate the freebie of the handbook into whichever language you find useful The previous the project also has a very business friendly license, which I don't want to talk about for too long But if anyone has ever the GPL, you know that it is massive and full of scary traps and dragons The BSD license is about 300 words and basically says here's some software use it if it catches fire Sorry, if it's worth well for you great. We depreciated notes, but you know, don't feel any pressure Our community is also something I like to advertise. I Preview the project have many many mailing lists and when you join them you can usually find a warm welcome You know you send the patch and people will thank you for the patch and if the patch is wrong They'll shout about the patch. They are not going to shout at you I'll talk a bit more about the community later on. So these are all very compelling reasons to use So how did we get here? I've you know, George's is in three minutes. I'm for you need a bit more But the history of Linux is well known this guy in Finland had an itch scratch, you know That's right operating system and that's got that control a little bit The BSD history is a little bit more But they measured or a little bit more Well lengthy at least So in the beginning Dinosaurs roamed and chaos rain. That was you know, 1950s and 60s and then eventually people realized that you know We need operating systems. No sign of BSD yet But someone came up with multics, you know, everything's fine You know, provely secure everything. Okay, I'm sharing very good And then some people with a strange sense of humor said well, we've got multics. We should have Unix as well And then you know things got out of control a little bit still no sign of Still no sign of Berkeley or BSD But then after a year or two people started using this Unix thing from their labs and they discovered that hey This is fun stuff, but wouldn't it be nice if we have nice things? So some nice people at Berkeley started producing add-ons and patches to the Unix operating system from the labs People found useful like say X and PI Because the Unix editor was in and anyone who's ever used it can tell you that it's not fun X and PI are a lot more fun So that was one of the things that was on the Berkeley tool states another thing on the Berkeley tool Say it was a muscow compiler. It turns out that not everyone likes writing C But a muscow compiler was one of the Berkeley tools and other tools just came up and then in the early 70s Someone had the right idea that maybe these computers should talk to each other, you know So the people being angry at computers computers can be angry at computers so DARPA the defense advanced research project agency through some money of the Computer search group in Berkeley and says, you know built the internet, right? I don't think they set that but that's you know only got three minutes for this slide. So built the internet and out of the CSRG came things like TCP IP UDP ping And all of these protocols which we are now well we now know and love Then in the 90s, we had a bit of a pickup where the people at Bell Labs said, well, you know This is interesting, but this is actually our stuff Once you're using it So there was a lawsuit that just distracted people from DSD for a while And people started using the next evermind Eventually 3a6 DSD came up. We have PSDI and then we have finally DSD is free after all this time and It's quickly turned out that DSD was not just one thing.  Here's the UNIX have fun with it or here's add-on tools for UNIX have fun with it When DSD was finally free of the early 90s It turns out that there were two or three different competing views on how this DSD should be free and we came up with a couple of different DSD projects We have a DSD project which felt that Well, DSD is very nice, but the best way to use DSD is on everything from your toaster to your your mainframe to everything The previous the project felt as well. Yeah, that's that's nice. We like portability But we actually would like to be fast So they disagreed with the NetBSD folks on Where the platform supports where you know where the priorities should lie so two different DSD projects forms We have an DSD project going off to be portable and it's running on different printer in the world these days And we have a free DSD project which runs everywhere In 1996 the open DSD folks have an agreement with the NetBSD people about priorities on security and portability Open DSD for soft and A few years later We also found fewer forks which forks off and less you know Let's acrimonia circumstances a PCVSD is basically a fork a previous the example true us Which takes the previous operating system just like Juniper does or just like any of the other Consumers a previous he does and they optimize it for running on a desktop Apple does the same thing they take TV as the and they optimize for running on the desktop, right? And there's some smaller All that is fine. I'm not going to talk about them. I'm going to talk about Back to our thread. What do we do? We produce a whole system. What do I mean with the whole system? I mean that we produce an operating system which comprises all of the device drivers all of the compilers and associated tools Debugging tools as well. I don't know if anyone has ever tried to debug Linux, but it's just you know, you come Certainly not as soon as it's all that you know, you cry and hope We have editors in our base system and we have a packaging system that allows you to install anything that you know It's helped there So the point of what we actually produce as a previous the project is an entire operating system that is ready to code When the install is done Obviously your definition of code will depend on what layer of a stack you operate on and our definition of code is You can write programs in C or C++ as soon as your install is done provided that your choice is either X PI or nano And you know that's ready to code when the install is done We also have a packaging system So if you prefer an editor like them or you know, like pain and you use Emacs You can just package install these things and have them But the whole system approach basically means that we What we deliver is known to work at least together with itself You never have this awkward situation where your compiler is not willing to produce anything that your assembler likes or your linker Inexplicably does not like the object by your compiler or your debugger does not understand the particular variant But else that comes out of your your linker. Those are all things I've encountered on the link by the way And we produce this as a team we work together on this and we have one bug tracker for all of these components and this allows us to You know deliver a polished operating system that just shines Very nicely. So if you write a device driver, you you don't need to go and If you write a network device driver, for instance, you don't need to go and write the tool for that network device driver to Little bits you can just add it to it can think whereas in Linux every single network device driver have Some user space to put a little bit. There's also eth tool, but there's at least four different variants than eth so if we don't have this because we have this holistic approach we produce the whole stack and It's not because you're in device driver land that you are somehow forbidden from touching it can think sometimes I wish that were the case if you think it's not my favorite piece of code But there's nothing preventing me from going into if you think and adding Something for my particular device provided of course that you know architectural constraints are met So what's you know, I'll talk a bit about what parts of stuff we have in this whole operating system We have some file systems Which I'd like to talk about which are real selling points for previously We have a whole bunch of files only two of them are really relevant We have the UFS file traditional Unix file system Which is essentially the same file system which is on Samaris or HP Unix or any other Unix Because they're basically derived from our original UFS UFS is It's a rock-solid Unix file system so it's predictable. It's not necessarily Always fast depending on workloads, but some some workloads are actually hyper Previously UFS is high performance on read and write under certain work. Are UFS also have snapshots I think Samaris is UFS also has snapshots now And we have journaled soft updates that have a terabyte of data on a UFS volume It doesn't take three weeks to FSEK But if you have a terabyte of data really what you want is one ZFS ZFS was originally developed by Sun. It was open-source that had a you know interesting history But it is the only file that you need if you care if you have a lot of data and you care about your data ZFS is really developed when you want ZFS is a file system and the volume manager combined It has snapshots which are copy-on-write take no time at all ZFS destroy is instance You can instantly destroy your data Also unlike any other file system I've encountered ZFS is aware of the fact that your disk is your enemy and it does not trust your disk in the background It snapshots all your data and it just checks that the disk is not lying to you You could this lie and every other file system just doesn't get this It assumes that the disk is telling you the truth and that data does not get violently corrupted if you care about your data You really want ZFS. I believe there's a ZFS for Linux as well I have never heard anyone Using it successfully or I've never heard anyone who's using it not complain about it ZFS also works on Illumos Sonos or Solaris or whatever they're called this week, of course But 3dsd is slowly becoming the reference in political Well, not the reference implementation, but one of the more mature implementations of ZFS So if nothing else and you care about your data ZFS would be one good reason for you to go and install 3dsd You you know you still need backups, but you might not need to restore them quite so 3dsd also has a lot of security features. We've had a lot of talks at this conference about containers and Container systems and namespaces and all sorts of things All of those are just cheap ripoffs of what 3dsd calls jails Well cheap ripoffs done wrong as far as I'm concerned So if you want lightweight virtualization and you don't want to ask the question what should pit 1 be in my container Maybe you should look at jails The so, you know for the record pit 1 is whatever the first process that you know runs in the jail is It catches sick child in your zombies will be read So jails are lightweight virtualization. Basically, it's it takes the charoot system call from previously or from Unix rather and It teaches us about networking. So it just Constrains the power of the root user of it beyond the file system It's a charoot with an IP address or any number of IP addresses We also have Mac and audit frameworks if you are in an industry that cares about security and cares about knowing what happens It's an unforgeable sort of way Mac and audit are things which should be should be familiar to you or should be You know something you care about Previously have distributed all the things so you can you know you can track every file system events every network event It's an audit stamp and that can be sent to another machine. So the log can't be tampered with Mac can also constrain other things. So I've just been reviewing a kernel module for real-time priority Constraints that you do your process you can you can use real-time priorities without having to be roots on your system So Mac can give you more privileges or remove privileges. It's like se linux, but done right We also have capsicum in previous. Yes, you know, I promise We also have capsicum in previous the capsicum is a research technology from Cambridge, which tries to sandbox individual applications So you work on a capability system and the capability is a privilege you have which you can either shrink Or or or delegates, but you can't ever expand it So once you enter a capability sandbox, you are constrained by that sandbox So use cases for this are things like decompressers or things like tcp dump where If you're running tcp dump and you're dissecting some protocol on the wire You would prefer not to have this protocol Exploited bugs in your shell and suddenly run random code on your system Capsicum allows the dissector to run in a sandbox that does not have the privilege to touch files tcp dump can still write to the terminal but the dissector can only communicate with the tcp dump itself through a well-known or well-defined and Predefined IPC mechanism same thing with compressors if you have this compressed file Which you downloaded from some dubious source and you start uncompressing it You don't want to bug in say Zlib or a bug in L.ma or whatever compressor flavor of the week you have You don't want that to suddenly go and blow up your system. So that's some of our security features We also have good compiler technology. We move to LLVM and clang years ago So GCC is no longer part of our world compilers in previous ER in the 21st century not just compilers But also debuggers. I don't think anyone here cares about C tool chains. I'll move on Detrace, I think someone asked this morning a question about how do I know what my process is doing at any given time? Previous he has detrace Which is dynamic tracing framework which also came from samaris originally? I think Todd gave a workshop on it here last year Basically detrace makes the blue smoke visible it adds a dye to all this code going on and it shows you what goes on Inside your process track system calls and tracks library calls function boundaries You can just you see what your code is doing if you try to debug on a note and on other operating system You're basically, you know, you're going to be doing print out or you're in the debugger single stepping Which really is that you don't have to live this way. We have detrace, you know What on earth is my process doing? Well, you know detrace And oh, yeah, it's doing that. Okay, fine. Cool. It shouldn't be doing that for a second So detrace is another big selling point a freebie is the and if you if you maintain complicated systems then the trace is definitely something to look out. I Believe the JVM has been thoughts about detrace a long time ago. So that might be something to look out I Ramped us earlier that previous the have their freebie is the in general has a networking history TCP and IP are Berkeley technologies Freebie is the and the in general is still the reference implementation of many networking technologies We have pluggable TCP stacks if you don't like the default TCP stack. Well, there Someone has recently distributed the BBR to see peace back. I don't really know what it does. I know Google is very fond of it We have racks. We have the usual cubic and new Reno algorithms, so if you have applications which run on TCP and you care about You know tuning congestion control in different ways Previous he makes this really easy. I think you can do this on Linux as well But every time I've looked at the Linux TCP stack that I wanted to cry We have three firewalls. You'll find that only two are listed on the slide the maintainer of one of these firewalls is right there We have IPF w which is a A very mature very good firewall. I've been around for ages The only thing that's wrong with it is that syntax is not really always as friendly And then we have pf which we we imported from open via the a long time ago It's got a much friendlier configuration syntax So you can actually you know I have done a pf workshop and I've had people type a pf configuration file without looking at a single manual page By just you know guessing what the command line syntax would be or just guessing what the configuration files of that would be IPF w is a bit more difficult and either of those compared up to IP tables Does anyone know how to add a simple network address translation rule to IP tables without looking it up? Shut up Minus j masquerade minus q jump through six hoops hope for the best Yeah Yeah, we've also got something called dummy net Which is a very useful for people who test things that run on network dummy net can pretend to be wider or narrower pipes that can introduce latency On your network, and it can also do queuing. So if you want quality of service dummy net can help you too But it's primarily a network testing tool that can introduce Arbitrary latency on your network. We have some other networking tools, but I don't have enough time to talk about all We also have virtualization, you know things like Virtual machines and things we have that many of you use Unreal hardware you live in the wonderful world of Amazon and the solution and things. That's great. That's wonderful previous the Releases are available for VMware for virtual box for QMU and for hyper V They will just work on cloud provider of your choice Since I think ten points something release. We also have official Amazon AWS images So if you are an Amazon consumer, and you would like to be of the I think it takes you five minutes from create Well, it takes you 20 minutes to create an account, and then it takes you five minutes to boot your first 3v of the machine Roughly ish and those are official 3v of the images So you can just do the usual 3v of the tools 3v of the update etc to update your system We also have beehive, which is a native virtualization tool So I already mentioned jails, which is lightweight virtualization beehive is the well I would say the moral equivalent of KVM But it's it's a lot lighter weight and a lot more consistent. So beehive does all the quality level page table So if you want hardware assistance virtualization, you should look at beehive I thought this slide earlier because I realized that you know, I need to sell this thing to all these learnings victims We also have something called system call translation. I call that Linux personality disorder If you have a Linux binary, which for some reason you cannot compile with package source, whatever it is To run on 3vSD You can just run that Linux binary on 3vSD and in the vast majority of cases asterisk asterisk It will work fine, and it might even run faster than on Linux So one of the few redeeming features of Linux is that it has a strict contract between the kernel and user space that is usually not violated And as long as the operating system presents a system call table that smells of it like Linux A Linux binary will just run so 3vSD has a system call table that smells enough like Linux to convince Linux else binaries that oh, yeah, hey, it's Linux. I'll just run and That allows you to run a lot of binary only things that are inexplicably only delivered for Linux such as Oracle's database Or various cab tools from people like mentor or eagle or it also works well for you know You've lost the source code and you only have a Linux binary. Okay, it still works So system call translation might be something as an easy sort of gateway drug into 3vSD You know, you might find that your binary runs faster on 3vSD than it does on Linux last time I saw a statistic was some game I don't remember which game it was but it ran faster on 3vSD than it did on Linux despite being a Linux binary Some newish features that are in the pipeline We scale pretty well already 3vSD is a massively scalable operating system We scale to many cores, but we have this 256 core arm thunder Machine sitting in a rack and it takes 40 hours to boot That's you know that's being worked on so scaling to multiple to more and more cores You know 200 cores 500 cores, whatever a lot of memory That's all so it works up to reasonable limits, but there's always room for improvement and that's being worked on as a priority Numa there is support for Numa in 3vSD to non-uniform memory architectures There is support for that in 3vSD. It is ever improving. We have arm64 supports if it runs I've seen it work. We also Support a number of experimental network technologies like multi-path TCP and data-centered TCP And again this this congestion control system TCP algorithm from Google Should you be running on bare metal as opposed to a virtual machine? 3vSD also supports secure boots or known as UEFI So you can run on you know constrained firmware without any difficulty. I'm going to speed up a bit. So that was What the 3vSD project produces? You know we produce this operating system all this good stuff and you should all go and use it But the 3vSD foundation also has the duty to increase the membership of the 3vSD project So let me tell you a bit about how the project works and entice you into Contributing to our wonderful project the 3vSD project has a democratically Elected core team the 3vSD developers as in the people who have commit access to our subversion tree elect nine members Among ourselves to be our core team the core team sets the guidance for the 3vSD project and this has done every I forget how many years. I think it was three You know every now and again we elect a new core team But how do you become? You know a member of the 3vSD project well We have this thing called a commit bits and a commit bit basically means you can type SVN commit and Your bugs are now everyone's problem We have a concept of mentorship which Google stole from us about 10 years ago and calls it Google summer of code Where experience members of the community will notice? People submitting patches to mailing lists and people complaining and backing up their complaints with you know actual data and they will mentor these new people into improving their Improving their code and improving their interaction with the community and we call this mentorship and For you know we ask the core team that you know you should this person should become a member of the 3vSD project He should have a he or she should have a commit bit The core team goes and looks at the track record of this developer and says yeah Yeah, these are good patches and you know plays nice with others and all that sort of good thing Just have a commit bit and then your first end commits need to be approved by your mentor After which your mentor says okay fine your go go off and roam collect your own bugs And I'm no longer responsible for anything of that The 3vSD project also has a concept of a hat You you know if you feel that you need to be a release engineer You will wear the release engineering hat and the hat you know Stays on your head as long as you do a good job if you stop doing a good job Then that will hopefully become apparent to you before it becomes apparent to anyone else And you you pass the hat on to someone else The 3vSD project has no dictator Which you know I just leave that line out there So, you know how do you become a committer? Well all of you have a task you should join the mailing list I would recommend 3vSD hackers or 3vSD currents or you know one of those It's only a couple of hundred messages a day. It doesn't hurt much You should check out our source code We use subversion as our revision control system, but we also use github as a collaboration tool because it's quite good for that So you check out the code and you discover oh no, it's broken I don't like it or you know this needs fixing and I have too much time on my hands So you submit a patch to a mailing list and you keep doing this for a while until somebody notices that you know This person is submitting way too many patches and that person will then ask you You know someone will ask you would you like to be a committer? I you know this gentleman in the front row here who's undergone this process. He's now crying You can say no But it turns out that people are foolish enough to say yes, okay fine.  Gets more and more members as time continues. I think that's about seven more minutes. Yes And you know, I'm almost at the end of my talk. I Promise not to talk too much about it, but this is the entirety of the BSD license So if you want to join Many of the popular Linux projects you need to pass a rigorous philosophical examination And have all of your moral background and fiber examined by a team of I don't know high overlords On I don't know mental purity the previous the project does not have such an examination We subscribe to the BSD license, which I have not memorized but it is short enough to fit on a slide So this is the only thing you need to agree to Well that's and play nice with others But this is the previous the BSD license. It basically says I wrote this code I think it was useful if you want it, you know use it And I'd appreciate being credited and I don't care if you submit binaries or source code or if you you know print it on a You know printed on poster size paper and display it somewhere. I don't care I just don't blame me if it blows up in your face simple enough license. I think This is the GPL Yeah It says all sorts of exciting things, but in particular it is viral So the BSD license is not viral at all Anyone can use it as business friendly you can take a BSD binary You can use it for whatever purpose you like as long as you don't blame us for it blowing up in your face We are cool with that The BSD license 200 words. It's open and restrictive non-viral also goodness the GPL You know So that was it that's all I have five minutes and 25 seconds to go for questions We have a website double up those free BSD org As I said if you have too much money and you find free BSD useful Let us know the free BSD foundation is always happy to help out with monetary problems You know well the kind where we take your money with the other kind We are on github if you are a get user you can just get a clone Free BSD from github and start hacking join a mailing list become a committer We also have forums if you like websites Freebie the hands look as I said if you like translation you're incarcerated into which language gives you pleasure We hang out on IRC It's not difficult to find type is your favorite search engine freebie of the IRC channel The end Questions comments abuse violent tears Stun violence Wait No, you are not allowed questions There are no problems with the bridge. Hello. It is perfect. Hey over here. Let's go. This guy. This guy Hey, so you spoke with a file system with the snapshots and the ZFS. Yes, right? Can you just like quickly breathe through exactly what is benefits and what is it about and like it's basically a different file system So yes, so ZFS is the the file system to end all file systems ZFS is a file system and a volume manager. It was originally written by some in I don't know like 90s or something and basically what it wants to be is it wants to be the reliable the reliable file system for a lot of data So ZFS has a volume manager built in so you have a pool of data Which just grows if you have more discs you just plug your discs in and ZFS will happily use the data It's built-in mirroring and built-in striping So things like raid you just add discs and you tell ZFS. I would like these five discs I just plugged in I'd like to be a raid volume, please which could survive one toasted disc Or you tell them that I'd like them to be a mirror Please so that if I unplug one of the discs or if fries that the other disk is exactly consistent And you can tell the pool that and the pool is just it's no maintenance so you plug in discs and it just works and It grows automatically all the storage will be available and it just works on top of that Is that a file system which uses the pool and the file system has features such as snapshots? Which are copy-on-write so you say okay fine I'm going to upgrade my operating system and I would like to be able to roll back if it blows up in my face Which in trivia the never happens But then you just do Phoebe Zedifus snapshots Zedifus snapshots and then the name of your file system and a timestamp or another Identifier that makes sense to you and you have a snapshot. It takes no time at all It's constant It's constant time and the file system is copy-on-write or the snapshot is copy-on-write rather So if you're done with that snapshot you just destroy it and it was never there if it turns out that the upgrade Inexplicably blew up in your face, which obviously is your own fault You could just roll back to that snapshot That you know the the the other fork it has never happened You could also send and receive ZFS snapshots that they're streaming support Say you have one machine with a bunch of ZFS file systems And you've got another machine somewhere that wants this ZFS file system You can just ZFS send on this machine and ZFS receive on that machine and the entire file system just goes across the wire You know you just type it across SSH or you pipe it across netcalfe or whatever you want And all of the files of the properties are kept such as you know compression ZFS has building compression any snapshots if you pass it one recursively just go along the wire Also encoding rules UTF-8 all that are all those interesting features just travel across with your file system So ZFS is basically if you've ever used Veritas volume manager or another Volume manager. It's that plus a good file system plus well minus anger That answer your question. Yeah, thank you over there somewhere, I think One minute and eight seconds before I get shredded Hey, hello It's a tough question Philip. Oh, no, no I defer to my colleague over here Why is Linux more famous? I'm not sure about that. Well, I'm not sure if there's an answer to that. So part of the answer to that historically is that in the Mid to late 90s the softcom bubble was beginning to explode The BSDs were mired in other problems Which are completely irrelevant Both at the time and with the benefit of hindsight So I think we just you know, we we were off doing other things in the late 90s and You know, Linux just took off. I don't know Also, Linux has a very Low barrier to entry in the sense that you know, you can find You know, you write some code and you just drop it somewhere and some project will pick it up And it'll end up somewhere because there's no sort of cohesion. There's no There's no no shared Goal to work towards so you can find, you know, you fix the bug in if config or you add a bug to if config You don't have to care about the kernel people that appeals to a certain hyperactive segment of the population Who care more about instant gratification? You know, I want to get that patch out there and are less I don't know less less tickled by The the satisfaction of a job well done and an integrated operating system. So I think instant gratification This whole, you know, there's a dozen people taking my patches and the distractions in the 90s really led to Linux's success I don't know. I I've you know, I use Linux for a while. I've been clean for more than a year I just don't understand it I just feel it's a fair operating system like which Linux or There's nothing wrong with Linux except for everything gentlemen in the green shirt in the back. I'm in I'm on overtime. So if Okay Well, you'll have to fight Whoever shouts loudest. Hey Hello, yeah Is there something like a chain ZFS? Is there something like high availability? Well, it is high availability by default But you mean things like You have a cluster of things and one of your machines gets destroyed. Yeah Not at the ZFS layer directly So you'd have to do something ice-caze ish or you know You have to expose your ZFS through some other means to have this high availability But that if that's by itself is pretty robust that it's you know Obviously if you want high availability for the checkbox, then you'll need to do something like ice-cazey or something from there And I think I'm out of time Yes, if I have any special requests regarding tweeting or photograph I'm not on social media. I'm I'm too social No, please If you can constrain yourself to not putting my name on any surveillance networks, you might be plugged into I would appreciate it Obviously, I have no way to know so you know use your moral judgment I would appreciate no pictures of me ending up on the Facebooks of the world Twitter's in the world Thank you. Oh Right if you must since you asked so nicely. All right So there is one topic jelly versus looks Jenny oh looks is the yeah full disc encryption. Yes I think it's something called jelly or ghillie depending on how you pronounce your G's It just works it's and actually one of the nice things about the Full disc encryption in freebie is the gentleman who added supports for decrypting discs To the bootloader has actually never written a line of assembler in his life before he committed this feature So he just felt that he needed to decrypt his discs in a bootloader So he could have full disc encryption and he just you know sat there and I think this works It was some of the most horrible code I've ever seen But people on a mailing list patiently helped him with yes, but you know, that's not how Intel really works So that's yes, we have full disc encryption and we have a good good community Two questions answered in one go Yes, and now I'm really out of time. Thank you very much


My name is Trish Doheny and I'm a communication major with a minor in French. I studied abroad in Exxon-Provence, France through Fairfield University's Study Abroad program. I chose Exxon-Provence as my study abroad location because the small community feel of the program allowed me to build wonderful relationships with fellow students as well as European friends and even store owners I met in the town. Located in the south of France, Provence is known for its picturesque fiestas, Mediterranean climate, and sense of history. While having a timeless charm, Provence remains modern with its many university attending students who populate the city and add to the rich variety of peoples, cultures, and traditions. Studying abroad in Provence gave me the opportunity to fully immerse myself into the culture and be a part of the community. More than 70,000 students live and study in this university town. The Institute for American Universities, or IAU College, is located in the heart of this academic community in the oldest part of the town. Walking around made me feel as though I was living in a storybook or a painting. The renovated and beautiful 18th century Chapelle des Pente-en-Pleu is the headquarters of the Exxon-Provence Center and houses classrooms, a library, a student lounge, and administrative offices. Students are also held in the Presbyterie next to the Cartes Gras Sans Seveur and in a nearby townhouse directly facing the breathtaking 13th century façade of the cathedral. Students take five to six courses while abroad in Provence, one of which is taught in French. Students who are at the intermediate level of French have the opportunity to strengthen their language skills by taking selected courses such as philosophy, theater, history, and politics taught in French for American students. Students who qualify with a high degree of proficiency in French may take one course with French students at one of France's leading universities founded by the Jesuits in the 16th century, Université d'Ex-Merci, allowing them to experience a typical French classroom. The architecture, the fountains, the cobblestone sidewalks, and the ancient caves were unlike anything I have ever seen before. We were also given the opportunity to experience culture outside the classroom, depending on our interests, for example, teaching English to French students in local elementary schools. Students can live with roommates in apartments or with a host family in a homestay. While 15 to 30 minute walk to school, homestays gave us the opportunity to experience first hand life in a French home. Departments were given breakfast every morning and dinner six nights a week. The food was delicious and authentic French. Apartments were also possible for students who wanted a more independent living experience. Studying abroad in X gave me the opportunity to experience first hand, a town noted for its landscapes and climate, its cuisine, its wines, and its perfumes. After the first week, I felt like I could call X my second home. I absolutely loved living there for three months and I feel incredibly privileged to have had such an unbelievable experience. I will definitely be going back and I strongly recommend that you try a semester, summer, or even a full year abroad in Exxon Provence through Fairfield University.


What's up guys wanting to put together another video for you this week And I want to talk about the evolution of a trader or at least the evolution of my journey And I think that a lot of people are gonna be able to resonate with this I want to talk about five steps that most traders not everybody some people just go immediately to mentorship They humble their ego they go. I don't even know what I don't know. I don't even know the questions asked So let me go Learn from professionals, but most people do this and I did this too And this is why it took me three years to get any form of real Consistency or profitability and it was a it was a mind job dude. It was it was very hard and it's exhausting So if this sounds like you Let's corral this a little bit. Let's reshape it, but check this out most traders Try to do it themselves. I tried to do it myself I the first trader I ever took in the stock market was a stock trade account like eight years ago I bought a five cent stock. I thought I was gonna be rich if it goes to 20 cents or two dollars I thought I you know invented the next Amazon by buying this stock for a hundred dollar position It goes down to like two to three cents in the same day. I'm freaking out I have no idea what I got myself into a little bit of money, but it wasn't about the money. It was the fear of No control and it was the fear of like Dude, I don't know what I don't know like why is my money going down? So number one is most traders try to do it themselves. No, no, no big caveat number two is This is the stage where you have Bad habits and what I mean by that is I'm trying to think of my journey This is where you just don't even know what you're learning and there's such bad habits Like you don't even know you're forming such bad habits You don't know that you're like building these neural pathways of like in your brain of these stems of memory of revenge trading or Oversizing or getting too excited getting too horny for a trade or I'm trying to think of all the you know the memories that I went through and it's you you're not even really learning and you're developing these bad Habits, this is the stage where it's just you really don't even know it's really terrible And it's kind of like the stage of one But it's just a progression in a little bit of momentum of one going into stage stage two number three is what most traders kind of a Lot of experience in the beginning and it's big loss stage or if not big losses Just constant losing those bad habits and step one and two You don't know how to make money and not only do you not know how to make money the momentum in the mental state That is so exhausting. I'm trying to figure this out. It's like I just keep losing money.  It's kind of like a dose of reality. Well, that's trading you put in two to three years You may have bad habits. They might be ingrained like narrow pathways, but you're going to be learning at least something I'm assuming at least if you watch screens a lot and and put in a couple years This is the treading water phase. This is your your your break even so four is not necessarily bad But it can all be Mitigated from one to three so I'll explain so step four you're you're not consistent. You're not profitable yet But you're seeing light at the end of the tunnel because you put in enough hours Draining exhausting step one through three yikes What I mean is is traders literally can bypass step one step two and step three and go straight to step four Which even if they're not making money, they're not big losses. They're not You know building all these bad habits if they get the right mentorship They're not in a state of like survival mode and and just mental exhaustion. That's what I'm trying to say So step four is okay. You're not necessarily making a ton of money yet But you're not like way behind mentally and also in your P&L curve You're not like having to make back tens of thousands if not hundreds of thousands of dollars Depending on how long you've been in this game and how much size you put on Step five is exactly what anybody can guess you finally however you did it Mentorship or no mentorship. You got profitable. You got consistent. It took me three years man three years of Ego and sizing too much in revenge trading and not asking for the right help in the beginning I asked for help within the first year and I joined a community Well, boy was I chasing alerts wasn't the right community built these bad habits. They were basically fraudsters things like that So that's not going to help anybody.   I'm sorry It's like dating. It's a numbers game, right? But when you have an edge when you have a process the numbers are really in your favor when you have that Maybe ninety percent nine times out of ten nine trades out of ten Maybe you lose one and then you have risk management to mitigate it quickly so That's kind of the full scope journey of a trader and I swear to God man I swear to you step one through three is unnecessary but that road is taken by a lot of people the road less traveled is I Don't know anything. I need help. Let me start with help. Let me build good habits and then let then let me Evolve into a good trader because I don't have to unlearn all this BS That's going to make it a very hard journey.  I went from step. I went from step zero. I Tried to do it.  This is a language. Let me let me get the help I need So if you guys got any help from this man, I just want to help people I wish I could go back in time eight years and talk to someone like me or get help from something like MIC and Text my line at two one three four five eight five nine nine seven. I'd love to hear what's kind of like hindering your trading hindering your mental state Keeping you from what you want and we can help that and then also multi seven figure your trader Alex to miss put together the most wonderful webinar on all of this and You can find that at my investing club comm slash webinar come check us out


Hello and welcome to the session, I am Asha and I am going to help you with the following question which says if the sum of three numbers in AP is 24 and their product is 440, find the numbers. Let us now begin with the solution and let the three numbers in AP be A minus D, A and A plus D. So, here the common difference is D and let this be greater than 0. Now, we are given that sum of these three numbers is equal to 24, this implies A minus D plus A plus A plus D is equal to 24 or 3A is equal to 24 which further implies that A is equal to 8. Also we are given that the product of these three numbers is equal to 440. So, this implies A minus D into A into A plus D is equal to 440, A square minus D square is equal to 440. So, A square minus D square is equal to 440 upon 8 which is 55. A square minus D square is equal to 55 or we have D square is equal to A square minus 55 and A is 8. So, 64 minus 55 this is equal to 9. So, this implies D square is equal to 9 or D is equal to plus minus 3 and since we have supposed that let D is greater than 3. So, we have D is equal to 3 and therefore, the numbers are A minus D that is 8 minus 3, 8 that is 8 and A plus D 8 plus 3 or 5, 8 and 11. So, the required answers are the three numbers in APR 5, 8 and 11 such that there is sum is 24 and product is 440. So, this completes the solution take care and have a good day.


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We have this family tree over here where we have multiple generations and for some of them we have the full information about genotype and phenotype and others we have gaps and or a complete gap over here and our task is to figure out the missing parts. So to start with I would start with the generation where we know everything about it. So we have one parent that has yellow seeds as phenotype and the genotype has encoded yellow twice and then we have here green seeds and as the phenotype and we also know that the genes have twice the green seeds encoded. Then if you look at their children you see both of their children have yellow seeds. Now given that we know that the genotype of the children is made from one of the alibis of each parent we know the only possibilities here is yellow and green. So one are from let's say the father and one from the mother. So we have overall type here that's definitely a green one from one of the parents and the yellow one of the other one and here the same. There's no other possible combination that can happen. Now we see however that both of them have the phenotype that it's yellow which tells us that the yellow allele is the dominant one over the green one. We could have seen this also from convention that this one was written in capital letters but it's safer to go from what we're actually observing so we're absolutely sure now the yellow one is the dominant one. Now let's go one up. Here this one came from outside so here this one was the child of those two. Both of them have yellow seeds. The fact that they have yellow seed tells us that they must have at least one gene for yellow so each of them has one yellow. And now if you look the child was green so this is only possible if each parent had a green allele of that gene. So this must have been the parents and there was one possible combination where the one green from here got together with the one green from here and then you have two recessive green alleles so that the phenotype actually shows and becomes green. If you look at it at the one up here it's the same as the one down here so what we're going to do in the last generation here we're going to actually try to figure out all possible combinations. To do that we use the so-called punet square it's called square because we're supposed to make a square complicated here to draw and then on one side you write the genotype of one of the parents so here green and here yellow and on the other side you write the phenotype and the genotype of the other parent and now you do the combination so there's one combination green green one green yellow and then here we could have a yellow getting together with the yellow and we could have a yellow with the green so these two are kind of the same thing just reversed order so here what are the possibilities so for the genotype we could have in the end green green so that child would have green seeds then the other possibility would have been that we have green and yellow in this case the yellow is dominant so it would appear to be yellow and then we have the last one yellow yellow where of course also it would appear to be yellow so we have three possibilities now if you look at the genotype what is the probability to have green green if I go up here that is one out of four so that genotype here has a 50 sorry 25 percent chance of happening happening so we know actually the one that happened here that was actually a very lucky draw that only happens one in every fourth now green yellow both of them we have it twice so this one is happening in 50 percent of the cases and then yellow yellow is happening in 35 percent of the cases now interestingly overall if we just look at the phenotype the phenotype yellow will appear in 75 percent of all cases while the one of the recessive one in this case will only appear in 25 percent of the cases so this is a very simplified example how we can use combinations and the punnett square to figure out the family tree of some inheritance of some recessive and dominant traits