[arch-dev-public] Bootstrap images for installing Arch from another system

Thomas Bächler thomas at archlinux.org
Sat Jun 22 14:49:05 EDT 2013

Am 22.06.2013 20:10, schrieb Pierre Schmitz:
> Am 22.06.2013 17:33, schrieb Thomas Bächler:
>> Setting up Arch on a root server should be as easy as this:
>> * Boot rescue system, make sure you have Linux 2.6.32 or later
>> * Download tarball from Arch, extract to /tmp/root.x86_64/
>> * Set up partitions and such, mount to /tmp/root.x86_64/mnt/
>> * chroot /tmp/root.x86_64/ (well, also some bind-mounts)
>> * pacman-key --populate archlinux
>> * pacstrap /mnt base and follow the installation guide
>> I'd like to generate such tarballs regularly (monthly like our ISOs?)
>> and put them on our mirrors, unless there are objections.
> Good idea. I had something like this in mind for some time; I did not
> think of putting only pacstrap and deps into the tar though.

I think I tested this once and it is sufficient. As a plus, it has all
dependencies so you can use pacman to install more packages into the chroot.

> I wonder if you could use arch-chroot isntead of just chroot here.

It requires bash 4 - if that's not installed on the host, arch-chroot
will not work. I would rather provide instructions involving manual
bind-mounting and chroot.

> You
> can also use the pacman.conf from the releng scripts.

I pretty much used the default pacman.conf from our packages (also
enabled Color, but that didn't do anything). Is the releng one different?

> And to be safe you
> should prefix pacstrap with a setarch call.

Already done as per Gerardo's suggestion: https://paste.xinu.at/lNIrq/

> I'd say we include this script into the releng scripts (either archiso
> or create a nwe package; atm I use some additional script for releasing
> an ISO image) and upload such a tar at the same time as the ISO image.

I was thinking about including this into arch-install-scripts, but I am
unsure if it really fits in there.

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