{"action":"closed","issue":{"url":"https://api.github.com/repos/npm/npm/issues/8601","labels_url":"https://api.github.com/repos/npm/npm/issues/8601/labels{/name}","comments_url":"https://api.github.com/repos/npm/npm/issues/8601/comments","events_url":"https://api.github.com/repos/npm/npm/issues/8601/events","html_url":"https://github.com/npm/npm/issues/8601","id":89315113,"number":8601,"title":"npm ERR! Error: UNABLE_TO_VERIFY_LEAF_SIGNATURE","user":{"login":"Alxecs","id":12818117,"avatar_url":"https://avatars.githubusercontent.com/u/12818117?v=3","gravatar_id":"","url":"https://api.github.com/users/Alxecs","html_url":"https://github.com/Alxecs","followers_url":"https://api.github.com/users/Alxecs/followers","following_url":"https://api.github.com/users/Alxecs/following{/other_user}","gists_url":"https://api.github.com/users/Alxecs/gists{/gist_id}","starred_url":"https://api.github.com/users/Alxecs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Alxecs/subscriptions","organizations_url":"https://api.github.com/users/Alxecs/orgs","repos_url":"https://api.github.com/users/Alxecs/repos","events_url":"https://api.github.com/users/Alxecs/events{/privacy}","received_events_url":"https://api.github.com/users/Alxecs/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/npm/npm/labels/pending","name":"pending","color":"000000"},{"url":"https://api.github.com/repos/npm/npm/labels/support","name":"support","color":"FF91AF"}],"state":"closed","locked":false,"assignee":{"login":"ehsalazar","id":7298179,"avatar_url":"https://avatars.githubusercontent.com/u/7298179?v=3","gravatar_id":"","url":"https://api.github.com/users/ehsalazar","html_url":"https://github.com/ehsalazar","followers_url":"https://api.github.com/users/ehsalazar/followers","following_url":"https://api.github.com/users/ehsalazar/following{/other_user}","gists_url":"https://api.github.com/users/ehsalazar/gists{/gist_id}","starred_url":"https://api.github.com/users/ehsalazar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ehsalazar/subscriptions","organizations_url":"https://api.github.com/users/ehsalazar/orgs","repos_url":"https://api.github.com/users/ehsalazar/repos","events_url":"https://api.github.com/users/ehsalazar/events{/privacy}","received_events_url":"https://api.github.com/users/ehsalazar/received_events","type":"User","site_admin":false},"milestone":null,"comments":2,"created_at":"2015-06-18T14:55:11Z","updated_at":"2015-08-12T20:42:46Z","closed_at":"2015-08-12T20:42:46Z","body":"I try to install express but I get this errror and the following log:alexis@alexis-VirtualBox:~$ npm install express --save\r\n```\r\nnpm http GET https://registry.npmjs.org/express\r\nnpm http GET https://registry.npmjs.org/express\r\nnpm http GET https://registry.npmjs.org/express\r\nnpm ERR! Error: UNABLE_TO_VERIFY_LEAF_SIGNATURE\r\nnpm ERR!     at SecurePair.<anonymous> (tls.js:1370:32)\r\nnpm ERR!     at SecurePair.EventEmitter.emit (events.js:92:17)\r\nnpm ERR!     at SecurePair.maybeInitFinished (tls.js:982:10)\r\nnpm ERR!     at CleartextStream.read [as _read] (tls.js:469:13)\r\nnpm ERR!     at CleartextStream.Readable.read (_stream_readable.js:320:10)\r\nnpm ERR!     at EncryptedStream.write [as _write] (tls.js:366:25)\r\nnpm ERR!     at doWrite (_stream_writable.js:223:10)\r\nnpm ERR!     at writeOrBuffer (_stream_writable.js:213:5)\r\nnpm ERR!     at EncryptedStream.Writable.write (_stream_writable.js:180:11)\r\nnpm ERR!     at write (_stream_readable.js:583:24)\r\nnpm ERR! If you need help, you may report this log at:\r\nnpm ERR!     <http://github.com/isaacs/npm/issues>\r\nnpm ERR! or email it to:\r\nnpm ERR!     <npm-@googlegroups.com>\r\n\r\nnpm ERR! System Linux 3.16.0-30-generic\r\nnpm ERR! command \"/usr/bin/nodejs\" \"/usr/bin/npm\" \"install\" \"express\" \"--save\"\r\nnpm ERR! cwd /home/alexis\r\nnpm ERR! node -v v0.10.25\r\nnpm ERR! npm -v 1.3.10\r\nnpm ERR! \r\nnpm ERR! Additional logging details can be found in:\r\nnpm ERR!     /home/alexis/npm-debug.log\r\nnpm ERR! not ok code 0\r\n```\r\nHow do I fix it!?\r\n\r\n::::::::::>Help please<:::::::::"}}