How To Install The SteamOS Session On Ubuntu 14.04 Trusty Tahr

Hello Linux Geeksters. As you may know, SteamOS is an open-source Debian Wheezy fork created by Valve, which gets gaming optimizations very often. Unlike Debian 7, it uses the Xcompmgr graphics compositor, a personalized version of GNOME 3.14 as the DE for the Big Picture Mode and SysVinit as the default init system.

In this article I will show you how to install the SteamOS Session on Ubuntu 14.04 Trusty Tahr, in order to enable the users to start the Steam Big Picture Mode directly from the LightDM GTK Greeter.

Follow the instructions for your system’s architecture exactly, in order to get a successful installation.

How to install the SteamOS Session on your 32 bit Ubuntu 14.04 Trusty Tahr systems:

First, install the Steam client, from the default repositories:

$ sudo apt-get install steam

Download SteamOS Compositor, SteamOS Modeswitch Inhibitor and the libudev0 library:

$ wget repo.steampowered.com/steamos/pool/main/s/steamos-compositor/steamos-compositor_1.24+bsos1_i386.deb
$ wget repo.steampowered.com/steamos/pool/main/s/steamos-modeswitch-inhibitor/steamos-modeswitch-inhibitor_1.9.1+bsos1_i386.deb
$ wget ftp.fit.vutbr.cz/pub/systems/ubuntu/ubuntu/pool/universe/u/udev/libudev0_175-0ubuntu19_i386.deb

Install the downloaded packages:

$ sudo apt-get install gdebi
$ sudo gdebi *.deb

How to install the SteamOS Session on your 64 bit Ubuntu 14.04 Trusty Tahr systems:

First, install the Steam client, from the default repositories:

$ sudo apt-get install steam

Download SteamOS Compositor, SteamOS Modeswitch Inhibitor and the libudev0 library:

$ wget repo.steampowered.com/steamos/pool/main/s/steamos-compositor/steamos-compositor_1.24+bsos1_amd64.deb
$ wget repo.steampowered.com/steamos/pool/main/s/steamos-modeswitch-inhibitor/steamos-modeswitch-inhibitor_1.9.1+bsos1_amd64.deb
$ wget ftp.fit.vutbr.cz/pub/systems/ubuntu/ubuntu/pool/universe/u/udev/libudev0_175-0ubuntu19_amd64.deb

Install the needed packages:

$ sudo apt-get install gdebi
$ sudo gdebi *.deb

To exit the Steam OS session and switch to your normal session, press CTRL + ALT + F7 to return to the login screen and choose your Ubuntu session.

Optional,  to remove the SteamOS Session, do:

$ sudo apt-get remove steamos-compositor steamos-modeswitch-inhibitor

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One comment on “How To Install The SteamOS Session On Ubuntu 14.04 Trusty Tahr
  1. Enkouyami says:

    Thanks for this guide, but some things need fixing. Since compositor have been updated to 1.9, you have to fix the download links you have for it to be 1.9 instead of 1.8.

    You also have a typo in the 1st sentence; “very ofter” should be “very often”.

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