Reference Document:
https://github.com/nvm-sh/nvm#install--update-script
$ wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.37.2/install.sh | bash
$ sudo apt update
$ sudo apt install wget
after turn off and then turn on the terminal.
check the version!!
$ nvm --version
Reference Document :
https://nodejs.org/en/
$ nvm install 14.16.0
check the node version.
$ node -v