How to install NodeJS?

• yum install -y gcc-c++ make
• curl -sL https://rpm.nodesource.com/setup_12.x | sudo -E bash -
• yum install nodejs
• npm install yarn -g
• curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash

yarn -v
 node -v
  npm -v

npm i -g forever (

npm install forever -g

)

cd /var/www/html

nano demo_server.js