Unpack node.xxx.tar.xxx
cp node-v8.11.1-linux-x64.tar.gz /usr/local/
cd /usr/local/
tar zxvf node-v8.11.1-linux-x64.tar.gz
Add Node Path
vim /etc/profile
export NODE_HOME=/usr/local/node-v8.11.1-linux-x64
export PATH=$NODE_HOME/bin:$PATH
source /etc/profile