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Groups > linux.debian.devel > #116318

Debian on /usr (Re: TC decision on ownership of top-level filesystem aliases - #1091995)

From Matthias Urlichs <matthias@urlichs.de>
Newsgroups linux.debian.devel
Subject Debian on /usr (Re: TC decision on ownership of top-level filesystem aliases - #1091995)
Date 2025-03-09 09:40 +0100
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References <KmyWB-3xjQ-3@gated-at.bofh.it> <KnfRT-40dD-3@gated-at.bofh.it> <KnEGB-4ig0-9@gated-at.bofh.it>
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On 06.03.25 11:25, Helmut Grohne wrote:
> onger term, it shall become possible to install Debian in such a way that the entire installation
> lives below /usr (though it will not be possible to upgrade such an
> installation due to the lack of /var/lib/dpkg in the initial
> implementation).

My "build me a Debian image" script has been doing that for two years 
now, simply by moving /var/lib/dpkg to /usr/state/dpkg and bind-mounting 
it back onto /var/lib/dpkg (symlinking won't work).

Presto, a /usr subvolume (I'm using btrfs) that's actually consistent 
when snapshotted.

Granted that some pieces are missing, most notably /boot (which really 
should be populated from /usr (and /etc) instead of being directly 
installed to), but that's irrelevant when your usecase is booting 
containers, and fixable by reinstalling the kernel packages.

-- 
-- regards
-- 
-- Matthias Urlichs

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Thread

TC decision on ownership of top-level filesystem aliases - #1091995 Matthew Vernon <matthew@debian.org> - 2025-03-04 12:50 +0100
  Re: TC decision on ownership of top-level filesystem aliases -  #1091995 Sean Whitton <spwhitton@spwhitton.name> - 2025-03-06 10:40 +0100
    Bug#1091995: TC decision on ownership of top-level filesystem aliases - #1091995 Helmut Grohne <helmut@subdivi.de> - 2025-03-07 13:10 +0100
      Re: TC decision on ownership of top-level filesystem aliases -  #1091995 Marvin Renich <mrvn@renich.org> - 2025-03-07 14:20 +0100
        Re: TC decision on ownership of top-level filesystem aliases -  #1091995 Helmut Grohne <helmut@subdivi.de> - 2025-03-07 18:30 +0100
      Bug#1091995: TC decision on ownership of top-level filesystem aliases - #1091995 Sean Whitton <spwhitton@spwhitton.name> - 2025-03-09 06:00 +0100
      Debian on /usr (Re: TC decision on ownership of top-level filesystem  aliases - #1091995) Matthias Urlichs <matthias@urlichs.de> - 2025-03-09 09:40 +0100
        Re: Debian on /usr (Re: TC decision on ownership of top-level  filesystem aliases - #1091995) Marco d'Itri <md@Linux.IT> - 2025-03-09 17:50 +0100
          Re: Debian on /usr (Re: TC decision on ownership of top-level  filesystem aliases - #1091995) Matthias Urlichs <matthias@urlichs.de> - 2025-03-11 04:10 +0100

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