By now, you should have a complete install of OpenPanel with a user, domain, website, FTP account, and E-mail address. Before we begin to install Drupal, there are a few packages we must install prior:

sudo apt-get install php5-mysql php5-gd

sudo a2enmod rewrite

sudo /etc/init.d/apache2 restart

This section about changing permissions is optional, however I recommend it because It makes the permissions more secure for an Apache Virtual Host environment with multiple users. If you look at the permissions in the home directory, you will notice that OpenPanel sets the default owner and group to the user you created.

root@web1:/home# ls -al

total 20

drwxr-xr-x  5 root            root            4096 2011-10-01 09:23 .

drwxr-xr-x 22 root            root            4096 2011-10-01 06:54 ..

drwxr-xr-x  3 user            user            4096 2011-09-30 21:56 user

drwxr-xr-x  2 openpanel-admin openpanel-admin 4096 2011-09-30 21:52 openpanel-admin

drwx--x--x  3 test            test            4096 2011-10-01 09:30 test