Take the 2-minute tour ×  This question already has an answer
here:  On Microsoft Windows OS, at the command prompt, I issue
the command ipconfig /flushdns to flush out the DNS resolver
cache.  On Ubuntu 12.10, what is the corresponding command?
share|improve this question  marked as duplicate by Mik, Eliah
Kagan, Seth, Eric Carvalho, Chris Wilson Mar 23 '13 at 19:53   1
Answer 1  You do that by restarting nscd  To install nscd Just
press Ctrl+Alt+T on your keyboard to open Terminal. When it
opens, run the command below:  sudo apt-get install nscd  To
flush DNS Cache do:  sudo /etc/init.d/nscd restart share|improve
this answer Synaptic has this in the description: "A daemon
which handles passwd, group and host lookups for running
programs and caches the results for the next query. You should
install this package only if you use slow services like LDAP,
NIS or NIS+." So is that why it isn't installed by default? (I
don't have it installed.) –  user25656 Mar 23 '13 at 16:40
Ubuntu doesn't include nscd in the d