Error: UNABLE_TO_VERIFY_LEAF_SIGNATURE Phonegap Installation

user_1130672 0
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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.

ubuntu-13.10 npm node.js cordova
6 Answers

in case anyone is as clumsy as me, I got UNABLE_TO_VERIFY_LEAF_SIGNATURE on npm install when I forgot to add the git+ before the url of my project.

I had 

npm install --save https://myserv.er/my/project-path.git

instead of

npm install --save git+https://myserv.er/my/project-path.git
user_127096140

You can also disable SSL check in your code using node environment variable :

in your index.js file, add :

process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';

Note that this is not a good habits as it will not try to check the validity of https certificate

user_57943310

Make sure that root has configuration properties.

When using sudo, you're running under the environment configured for root. Root may not have the same node configuration, and may not be aware of your certificates. Try passing your environment configuration to root with -E:

$ sudo -E npm install -g phonegap
user_1051010
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