I'm trying to install Phonegap in Ubuntu. The installation of NodeJS was successful, however I can't install Phonegap itself. Here is the error output of terminal:
test@test-VirtualBox:~$ sudo npm install -g phonegap
npm http GET https://registry.npmjs.org/phonegap
npm http GET https://registry.npmjs.org/phonegap
npm http GET https://registry.npmjs.org/phonegap
npm ERR! Error: UNABLE_TO_VERIFY_LEAF_SIGNATURE
npm ERR! at SecurePair.<anonymous> (tls.js:1350:32)
npm ERR! at SecurePair.EventEmitter.emit (events.js:92:17)
npm ERR! at SecurePair.maybeInitFinished (tls.js:963:10)
npm ERR! at CleartextStream.read [as _read] (tls.js:463:15)
npm ERR! at CleartextStream.Readable.read (_stream_readable.js:320:10)
npm ERR! at EncryptedStream.write [as _write] (tls.js:366:25)
npm ERR! at doWrite (_stream_writable.js:219:10)
npm ERR! at writeOrBuffer (_stream_writable.js:209:5)
npm ERR! at EncryptedStream.Writable.write (_stream_writable.js:180:11)
npm ERR! at write (_stream_readable.js:573:24)
npm ERR! If you need help, you may report this log at:
npm ERR! <http://bugs.debian.org/npm>
npm ERR! or use
npm ERR! reportbug --attach /home/test/npm-debug.log npm
npm ERR! System Linux 3.11.0-14-generic
npm ERR! command "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "phonegap"
npm ERR! cwd /home/test
npm ERR! node -v v0.10.15
npm ERR! npm -v 1.2.18
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /home/test/npm-debug.log
npm ERR! not ok code 0
Any help would be appreciated.