sudo npm install -g ionic
npm ERR! tar.unpack untar error /tmp/npm-427-0fbc760a/registry.npmjs.org/npm/-/npm-2.1.3.tgz
npm ERR! Darwin 14.4.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "-g" "ionic"
npm ERR! node v0.12.6
npm ERR! npm v2.13.0
npm ERR! unexpected eof
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! https://github.com/npm/npm/issues
npm ERR! Please include the following file with any support request:
npm ERR! /Users/BanFu/npm-debug.log
How to solve this problem?
try sudo npm cache clean
sudo npm install -g bower