title: How to install version 12 of nodejs
body: <p>i am trying to install version 12 of nodejs with command
  curl -sL <a href="https://deb.nodesource.com/setup_12.x" rel="nofollow noreferrer">https://deb.nodesource.com/setup_12.x</a> | sudo -E bash
  but still getting version 8 of nodejs and also npm is not installed</p>