$ sudo npm install pg
$ sudo npm install -g pg

If want to update the pg package execute the command as below,

$ sudo npm update pg

Update package globally,

$ npm install -g pg

Git clone:

$ sudo  git clone https://github.com/rektide/pg.git

$ sudo  npm install -g ./pg

pg@7.4.0 /usr/lib/node_modules/pg

How to remove pg package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall pg

Basic Information of pg NPM Package: