[~]# node node.js
Error: Cannot find module 'socket.io'
[~]# node -v
v0.10.10
socket.io安装:
npm install socket.io
npm WARN package.json policyfile@0.0.4 No repository field.
npm WARN package.json policyfile@0.0.4 'repositories' (plural) Not supported.
npm WARN package.json Please pick one as the 'repository' field