Installing/New To Linux

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Tutorial: Newbie's Guide to GalliumOS on a Chromebook


This Tutorial is aimed at people with limited or zero computer programming experience who wish to install Linux GalliumOS on their Chromebook. It is a step-by-step recipe that requires no knowledge in computer programming. Its scope is limited in that it doesn't intend to show you how to install any Linux distribution but only GalliumOS. Furthermore, the user should not attempt to install GalliumOS on a Chromebook that IS NOT on the GalliumOS Hardware Compatibility List. (See below in "Things to check first"). 

GalliumOS is one of the numerous Linux "distributions". A Linux distribution is a set of software packages with an installation program that allows the user not only to access his or her computer with Linux Operating System (OS) but also to complete most of the tasks that an average user is expected to do with computers (word, presentation and spreadsheet processing, audio and video playing and editing, Internet browsing, e-mailing, etc.). In that respect, it differs from "commercial" operating systems that don't provide much besides access to the computer system. Linux is the most advanced operating system in the world: as of November 2015, 494 or 98.8% of the 500 world's fastest supercomputers use the Linux kernel. (See

GalliumOS is different from other Linux distributions in that it is designed for Chromebooks. But then, why would you want Linux on your Chromebook?

Reasons To Install Linux on a Chromebook

Chromebooks are lean and mean computing machines that are designed to work in conjunction with the Internet. A Chromebook "keeps" hardly any software on its internal drive; what the user needs to complete a task is downloaded from Internet - often for a price - and is not kept inside the computer when the task is done. This is why most Chromebooks are equipped with a very small solid-state drive (SSD), typically 16 or 32 gigabits (Gb). Often, this SSD is not upgradable and most of time, the random-acess memory (RAM) is not either: Chromebooks' SSD and RAM are frequently hard-wired to the motherboard. With Linux installed on a Chromebook, applications stay inside the computer and can be accessed any time, with or without Internet. 

The often talked about constraint about installing Linux on a Chromebook is the SSD size. This SHOULD NOT be a deterrent when installing Linux. 16GB is plenty to install GalliumOS; all your music, photos, videos and other paraphernalia that don’t fit on the static drive can go to an external drive. On all Chromebooks, you have the luxury of at least three ports: two USB and one SD. Without spending much, you could have at any given time 768 Gb of memory on your Chromebook with three 256 Gb external drives! Even a Thunderbird mail profile, for instance, can sit on an external drive without any significant speed penalty. All your Linux OS and programs can sit nicely on the 16 Gb internal drive with room to spare. 

Furthermore, quite a few Chromebooks now can be upgraded with a larger capacity static drive. For a little investment, you could end up with a powerful laptop for a fraction of the price that you would normally pay for something other than a Chromebook.