$ sudo npm install gravatar
$ sudo npm install -g gravatar

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

$ sudo npm update gravatar

Update package globally,

$ npm install -g gravatar

Git clone:

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

$ sudo  npm install -g ./gravatar

gravatar@1.6.0 /usr/lib/node_modules/gravatar

How to remove gravatar package :

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

$ sudo npm uninstall gravatar

Basic Information of gravatar NPM Package: