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layout: post
title: GNU Guix Hackathon-09-2014
date: 2014-09-29
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---
In the weekend of September 27th & 28th and to celebrate the 30th
anniversary of GNU an on line hackathon of GNU Guix was held. Although I
didn’t officially joined, I took the chance to try Guix for the first
time.
There are two ways of currently running GNU Guix, either it could be
installed on top of an existing GNU/Linux distribution, or installed
directly on bare metal (or a virtual machine for the instance). Since
the virtualization platform I use is VirtualBox, this was my primary
target, in contrast qemu is the preferred choice of Guix developers,
because its GPL license I assume.
Being in alpha state, the GNU Guix distribution provides a very basic
USB image to boot and install the system, VirtualBox currently does not
boot from USB, so I had to convert the installer raw image to some
format which VirtualBox could handle. I tried VBoxManage at first, but
it didn’t work or maybe I was unable to figure out how to do so, in the
end I used qemu-img command to achieve the task.
In Gitorious you can find my [notes and some
guides](
https://gitorious.org/ecelis-guix/hackathon) which I wrote
during this two days of the hackathon.
The latest GNU Guix installer image version available for download is
Guix-0.7 which is flawed, `guix --version` shows the right version but
the bundled packages are from Guix-0.6. It is not a showstopper, since
you can easily upgrade to the latest version right before installing to
your hard drive. This little bug slowed my install a few hours until I
found the solution when someone else hit the same problem in \#guix at
freenode.net
The installer script is rather basic, do not expect anything fancy like
hard disk re-partitioning, much less a GUI. It does not mean that it is
hard to install, any mididly experienced unix user should be able to use
fdisk, e2label, mount, sed and other basic commands to get a running GNU
Guix system. One thing I missed though was the lack of vi or ed text
editors, my keyboard is broken and keys ‘Z’ and left ‘CTRL’ don’t work.
VirtualBox grabs hold of the right ‘CTRL’ for its own purposes and the
only two editors available in the installer image are nano and zile (an
Emacs clone), both unusable with my current keyboard.
Also the installer fetches pre-built binaries from hydra.gnu.org,
sometimes this hosts is overloaded or simply unresponsive and you will
get this *“guix-system: error: build failed: unexpceted-end-of-file”*
message instead of the cool one *“Installation finished. No error
reported”*, just re-run the last command until the task finishes
successfully. If everything went well, now you should have a shiny new
GNU Guix system ready to be booted into.
EOF
