How To Install Redmine on Ubuntu 12.04, step by step

With a fresh installed Ubuntu 12.04, did following steps have successfully installed and lunched Redmine:

• sudo apt-get install tasksel
• sudo tasksel install lamp-server
• sudo apt-get install libapache2-mod-passenger
• sudo apt-get install redmine remine-mysql
• sudo ln -s /usr/share/redmine/public/ redmine
• sudo vim /etc/apache2/mods-available/passenger.conf  to add following line:
  PassengerDefaultUser www-data
• sudo vim /etc/apache2/sites-available/default to add following lines:
     
      RailsBaseURI /redmine
      PassengerResolveSymlinksInDocumentRoot on
     
• sudo service apache2 restart
• Lunch browser, goto http://127.0.0.1/redmine
• Login on with default user name and pass: admin/admin