Install nodejs and npm in Pop!_OS

Start by updating the packages list by typing:

$ sudo apt update

Install nodejs using the apt package manager:

$ sudo apt install nodejs npm

The Node.js executable from the Ubuntu repositories is named nodejs instead of node because of a conflict with another package.

To launch the REPL Terminal: (Pressing Ctrl + C twice exits!)

$ nodejs

To verify the installation execute the following command:

$ node -v && npm -v