In this guide I will show you the easiest way, how to install a LAMP server. LAMP stands for Linux, Apache, MySQL, PHP. There are many methods to install LAMP, for example the standart one see this howto for ubuntu: Howto: Install LAMP and phpMyAdmin on Ubuntu

Method One (using Terminal)

Under Terminal type command:

sudo tasksel

Select LAMP server and hit OK

If prompted, insert new root password for the MySQL

Method Two (using Terminal)

sudo tasksel install lamp-server

Method Three (using Terminal)

sudo apt-get install php5 apache2 mysql-server

Method Four (using Synaptic Package Manager)

Run System > Administration > Synaptic Package Manager and select Edit > Mark Packages by Task…

Select LAMP server

In the next step you can see packages, that would be installed

Enter new password for the MySQL root user

and that's it..

Testing Apache

Open a web browser and enter the address http://localhost. You should see a webpage displaying the text "It Works!"

Testing PHP

To test our PHP installation we need to create file called info.php in /var/www. Open Terminal and enter:

sudo gedit /var/www/info.php

Enter the line below, save the file, and exit the text editor.

<?
phpinfo();
?>

Restart apache

sudo /etc/init.d/apache2 restart

Now, open your browser and enter http://localhost/info.php. You should see a bunch of information about your version of PHP.

Optional

phpMyAdmin

This step is optional. To easy access MySQL databases use phpMyAdmin.

Under Terminal enter this command to install phpMyAdmin

sudo apt-get install phpmyadmin

If prompted, use the spacebar to mark apache2 and then hit Enter.

You will also be asked if you want to configure phpMyAdmin with a new database called dbconfig-common. Select Yes and press Enter.

Next you'll be prompted for the password for MySQL's administrator. Enter the MySQL root password that you created earlier in the installation. Select Yes and press Enter.

Next you'll be prompted to create an application password for phpMyAdmin to talk to MySQL. If you leave it blank, a random password will be generated for you.

After configuring the password, the installation should complete.

Testing MySQL (phpMyAdmin)

Open a web browser and enter the address http://localhost/phpmyadmin.You should see this page:

Login using the username root and the root password, that you created earlier.

The LAMP server is successfully installed.