I tried updating pm2 with "npm install pm2@latest -g" (Cent OS 6) but received the following error. Now, i am no longer able to use "pm2 list" (it says command not found). Your help will be highly appreciated.
npm ERR! Linux 2.6.32-042stab094.8 npm ERR! argv "node" "/home/username/local/bin/npm" "install" "pm2" "-g" npm ERR! node v0.12.1 npm ERR! npm v2.7.3
npm ERR! Cannot read property 'trim' of undefined npm ERR! npm ERR! If you need help, you may report this error at: npm ERR! https://github.com/npm/npm/issues
Updating to Latest npm (2.11.1) solved this issue. Thanks.