yum install gcc
yum install gcc-c++
wget https://nodejs.org/dist/v6.9.1/node-v6.9.1.tar.gz
tar -zxvf node-v6.9.1.tar.gz
cd node-v6.9.1
./configure
make & make install
npm install -g pm2
wget http://download.redis.io/releases/redis-3.2.5.tar.gz
tar -zxvf redis-3.2.5.tar.gz
cd redis-3.2.5
make & make install