Install phpmyadmin on Ubuntu 13.10

To install phpmyadmin, run

sudo apt-get install phpmyadmin

When I open http://localhost/phpmyadmin, it says ".../phpmyadmin/ was not found on this server".

How to fix it?
Firstly, open /etc/apache2/apache2.conf
You can open it by pressing Alt+F2, then type

gksudo gedit /etc/apache2/apache2.conf

Note: if gksudo is not installed, you can install it using "sudo apt-get install gksu".

Then go to the end of the file and type

Include /etc/phpmyadmin/apache.conf

Save the file, then restart the apache using this command

sudo /etc/init.d/apache2 restart

Done.