How to install casperjs on Ubuntu Linux

CasperJS on Ubuntu linux can be installed using apt-get or node npm. We’ll use npm to install casperjs in this tutorial. Here are the steps to install casperjs on Ubuntu Linux.

1. First install node and npm on Ubuntu if not already installed.
2. Get info about casperjs package

   $ npm info casperjs
   { name: 'casperjs',
     description: 'A navigation scripting & testing utility for PhantomJS and SlimerJS',
     'dist-tags': { latest: '1.1.0-beta5' },
     versions: [ '1.1.0-beta2', '1.1.0-beta3', '1.1.0-beta4', '1.1.0-beta5' ],
     maintainers: [ 'istr ', 'n1k0 ' ],
   ...
   ...
   

3. Install casperjs using npm in global mode

   $ sudo npm install -g casperjs
   $ npm ls -g casperjs
   $ npm ls -g | grep casperjs
   ├── casperjs@1.1.0-beta5
   

4. Check if casperjs is working

   $ casperjs --version
   1.1.0-beta5
   

5. Check where is casperjs installed

   $ which casperjs
   /usr/bin/casperjs
   $ ls -l /usr/bin/casperjs
   lrwxrwxrwx 1 root root 41 Jan 23 09:53 /usr/bin/casperjs -> ../lib/node_modules/casperjs/bin/casperjs