mod_rewrite is an Apache web server module which is used to rewrite a URL at the server level. This module has a variety of uses. But it is most frequently used to provide clean, search engine friendly URLs.

This article explains how to enable Apache mod_rewrite in Ubuntu Linux.

Step 1 : Install Apache web server in Ubuntu Linux

I had already explained this step in a previous post. If you don’t know, then read how to install LAMP server in Ubuntu.

Step 2 : Enable mod_rewrite module in Apache web server

mod_rewrite module is disabled by default in Apache web server. So you will have to enable it prior to using it.

Open a terminal and enter the following command to enable mod_rewrite module in Ubuntu Linux.

$ sudo a2enmod rewrite

a2enmod is a command line tool which is used to enable modules in Apache web server.

Step 3 : Edit the site specific file in the /etc/apache2/sites-enabled/ directory

By default Apache will have a file named 000-default in the sites-enabled/ directory. The full path being /etc/apache2/sites-enabled/000-default.

Open the file in a text editor of choice and change all the lines containing AllowOverride None to AllowOverride All. Save the file and exit.

If you are running a website on a separate domain and on a remote server, your file will be different. Choose the file accordingly.

Step 4 : Restart the Apache web server

The final step is to restart the apache web server to make the changes take effect. This is done as follows -

$ sudo /etc/init.d/apache2 restart

Also check out how you can enable mod_rewrite in XAMP server in Windows.

[Reference : Ubuntu Forums]

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