Install one or more WordPress blogs on Ubuntu, here is how.

Inspired by: http://www.jonathanmoeller.com/screed/?p=235
Also check here: http://sysadminschronicles.com/2008/05/06/ubuntu-8-04-rails-server-using-passenger

• install ubuntu 8.04
• apt-get update
  apt-get upgrade
• sudo apt-get install subversion apache2 mysql-server-5.0 php5 php5-mysql
• (Do sudo apt-get install sqlite3 libsqlite3-ruby1.8 if you need SQLite3)
• mysql_install_db
  mysql_secure_installation
  mysql -u root -p
  create database yourapp;
  create user yourapp;
  set password for yourapp=password(’securepassword’);
  grant all privileges on yourapp.* to ‘yourapp’@'localhost’ identified by ’securepassword’ with grant option;
  (repeat for every blog)
  exit
• /etc/apache2/httpd.conf
  add the following lines:
  AddType application/x-httpd-php .html
  ServerSignature Off
  LogLevel warn
• cd /var/www
  mkdir yourapp 
  cd yourapp 
  svn co http://svn.automattic.com/wordpress/tags/2.6 .
  (repeat for every blog)
• Start WP-Installation via WP-Skript and set WordPress Adress and Blog address to wwww.yourapp.com.
• Configure Apache

In /etc/apache2/sites-available create a new virtual host file:

<VirtualHost *>
   ServerAdmin blogmaster@yourapp.com
   ServerName www.yourapp.com
   DocumentRoot /var/www/yourapp/
   ErrorLog /var/log/apache2/error.log
   CustomLog /var/log/apache2/access.log combined
</VirtualHost>

(Repeat for every blog)

• cd /etc/apache/sites-enabled
  a2ensite yourapp 
  (Repeat for every blog)
• /etc/apache2/mods-enabled/a2enmod rewrite
  Watch out for problems with Phusion passenger if you combines these modules!
• /etc/init.d/apache2 reload