How to enable mod_rewrite in ubuntu?

Simply run the following command in the command line to enable mod_rewrite.

sudo a2enmod rewrite

The command simply adds the rewrite module to the apache configuration file as mod_rewrite is a part of apache. Now we need to restart apache to make the command take effect.

sudo /etc/init.d/apache2 restart

The command automatically adds file rewrite.load to the folder /etc/apache2/mods-enabled/