Node JS on Centos NPM (Node Package Management)
 How to install Node JS on Centos       You must have OpenSSL installed, curl installed and root access.  yum install gcc gcc-c++ yum install autoconf automake make yum install curl yum install openssl-devel   Use `su` for root or login as root.   How to install Node JS   Download NoteJS's packages   wget http://nodejs.org/dist/v0.8.20/node-v0.8.20.tar.gz   Extract it with the following command:   tar zxvf node-v0.8.20.tar.gz   Finish installing it   cd node-v0.8.20 ./configure make make install   Finally test if it works   node --version   Congratulations, NodeJS is installed.   You may now install npm and packages such as socket.io.