$ sudo yum install git wget emacs
$ sudo yum groupinstall "Development Tools"
$ wget -qO- https://raw.github.com/creationix/nvm/master/install.sh | sh
$ # put .bash_profile content to .bashrc
$ source .bashrc
$ nvm install v0.11.10
$ nvm alias default 0.11.10
$ npm install pm2 -g
$ # OR
$ npm install git:https://github.com/Unitech/pm2.git#development -g

$ yum install git wget emacs
$ wget -qO- https://raw.github.com/creationix/nvm/master/install.sh | sh
$

$ chkconfig --del pm2-init.sh
$ chkconfig --add pm2-init.sh

$ sudo sh -c 'echo "export PM2_HOME=/var/" >> /etc/profile'
$ sudo mkdir /var/.pm2; chown -R tknew:tknew /var/.pm2