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  • Listing packages installed on broken system, was systemd errors

    From David Wright@21:1/5 to mick.crane on Wed Jul 17 01:00:01 2024
    On Tue 16 Jul 2024 at 21:35:39 (+0100), mick.crane wrote:
    I installed on a fresh disk the nightly build of Trixie and it works a
    treat and it configured the monitor to it's highest resolution using
    the nouveau module thing.
    Unfortunately I broke my previous Trixie installation trying to get
    rid of the nvidia module.
    It still works with "startx" but the resolution is low.
    Apt let me install the 6.9.8 kernel whereas wouldn't dist-upgrade,
    probably as it had done that before.
    I saw on the net to "update-initrmfs -u" so I did that.
    So I think that earlier install has a kernel now free of the nvidia
    but there must be some systemd left referencing stuff I've deleted
    because there is some message at boot about can't find or load a
    module and X wont automatically start.
    I'd quite like to get that earlier install working cleanly to remind
    me of what was installed.

    You don't need to be able to run a system merely to list what's
    installed on it. Just mount the root filesystem somewhere, like
    /mnt, and type:

    $ dpkg-query --admindir=/mnt/var/lib/dpkg -W --showformat '${Package}_${Version}\n' | less

    Note the single quotes, to avoid the shell wiping out the format string.

    Cheers,
    David.

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