How to Install SteamOS in VirtualBox
A step-by-step tutorial with easy-to-follow instructions
The following tutorial will teach all Linux users how to install Valve's brand new SteamOS GNU/Linux operating system in a virtual machine, using the powerful and popular VirtualBox software.As you already know, the SteamOS Linux has been officially released on December 13 and is based on Debian GNU/Linux operating system, using GNOME as its (optional) desktop environment.
SteamOS is very easy to install if you have the right hardware components, which involves a UEFI-capable computer with a powerful video card for playing games. However, as Valve did not publish an ISO image of SteamOS, many have encountered difficulties in installing the system.
The following tutorial is comprised of two important sections, one that helps you create an ISO image from the SteamOSInstaller.zip file provided by Valve, and a second one where you learn how to install SteamOS in VirtualBox if you don't want to install it on a real computer.
To get started, you need to have a working installation of the latest VirtualBox software. Also, you need to install a software called GNU xorriso, which you'll use to generate the ISO image from the SteamOSInstaller folder.
Step 1 – Generate SteamOS ISO image
Download the SteamOSInstaller.zip from Softpedia, save it on your home folder, and extract the files. A folder named “SteamOSInstaller” will be output. Now, open a terminal in the home folder and execute the following command:
xorriso -as mkisofs -r -checksum_algorithm_iso md5,sha1 -V 'Steam OS' -o ~/SteamOSInstaller.iso -J -joliet-long -cache-inodes -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot --efi-boot boot/grub/efi.img -append_partition 2 0x01 ~/SteamOSInstaller/boot/grub/efi.img -partition_offset 16 ~/SteamOSInstaller
The SteamOS.iso file will be generated in a few seconds on your home folder and will have approximately 1GB in size. That's all, you can now proceed to the next step.
Step 2 – Install SteamOS in VirtualBox
Considering the fact that you already have a working VirtualBox installation and that you already know how to use the software, you must create a new virtual machine with UEFI support. On VirtualBox's main window, press the New button to start the process of creating a new virtual machine.
In the name field type SteamOS, choose Linux as the operating system type, select Debian 64-bit from the Linux version drop-down box, and click Next to continue. Set 1024 or 2048 for the memory size (this depends on how much physical RAM your computer has), create a virtual hard drive of VDI file type and fixed size with 15GB. Click the Continue button and wait for the hard drive creation process to finish.
apt-get purge <name of the packages outputted by the above command>
Go to Devices and click on Insert Guest Additions CD image. Download the Guest Additions image when prompted, mount it and run the following command:
Wait for the Guest Additions to install its drivers and reboot the virtual machine with the following command:
shutdown now -r
SteamOS boot screen
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