How to Install PlayonLinux under Ubuntu

PlayonLinux is based Wine and you don’t need to have windows license to play. It allows to run windows games under linux

wget -O playonlinux.deb http://goo.gl/JK0nR
sudo apt-get install p7zip-full
sudo dpkg -i playonlinux.deb
sudo apt-get -f install && sudo rm playonlinux.deb

How do I install Gallium3d Drivers in Ubuntu 12.10?

You can find articles and benchmarks of linux display drivers on Phoronix.

If you really want to use gallium3d drivers, open a terminal by pressing CTRL+ALT+T and follow these instructions (taken from here):

  1. Add ppa:oibaf/graphics-drivers Launchpad logo (Click here for instructions on using PPAs.) to your system:

    sudo add-apt-repository ppa:oibaf/graphics-drivers
    sudo apt-get update

  2. Install the driver:

    sudo apt-get install libg3dvl-mesa

  3. Restart.

You can revert to the default drivers by removing the PPA as follows:

  1. Install ppa-purge:

    sudo apt-get install ppa-purge

  2. Purge the PPA:

    sudo ppa-purge ppa:oibaf/graphics-drivers