Re: Bullseye - who and users return nothing

From	"Gareth Evans" <donotspam@fastmail.fm>
Newsgroups	linux.debian.user
Subject	Re: Bullseye - who and users return nothing
Date	2022-01-25 04:10 +0100
Message-ID	<DJknv-55O-1@gated-at.bofh.it> (permalink)
References	<DJ4iK-3DD-5@gated-at.bofh.it> <DJ6Xh-5h8-31@gated-at.bofh.it> <DJiYq-48P-11@gated-at.bofh.it> <DJkdP-4Nk-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue 25 Jan 2022, at 02:54, Greg Wooledge <greg@wooledge.org> wrote:
> On Tue, Jan 25, 2022 at 01:31:35AM +0000, Gareth Evans wrote:
>> /var/run$ sudo touch utmp
>> /var/run$ sudo chown root:utmp utmp
>> /var/run$ sudo chmod 664 utmp
>> /var/run$ ls -l utmp
>> -rw-rw-r-- 1 root utmp 0 Jan 25 00:08 utmp
>> /var/run$ who
>> /var/run$
>> [logout, login]
>> /var/run$ ls -l /var/run/utmp
>> -rw-rw-r-- 1 root utmp 384 Jan 25 00:17 /var/run/utmp
>> $ who
>> user     tty7         2022-01-25 00:17 (:0)
>> $ sudo reboot
>> ...
>> $ ls -l /var/run/utmp
>> ls: cannot access '/var/run/utmp': No such file or directory
>
> A google search led me to <https://bugs.archlinux.org/task/47749>
> which says that the /run/utmp file is supposed to be created by
> "tmpfiles", specifically by the instructions in the configuration
> file /usr/lib/tmpfiles.d/systemd.conf .
>

> On my system, /usr/lib/tmpfiles.d/systemd.conf contains this line:
>
> F! /run/utmp 0664 root utmp -
>
> Does your system have this file, and if so, does it contain that line?

Thanks, yes:

$ sudo cat /usr/lib/tmpfiles.d/systemd.conf | grep utmp
F! /run/utmp 0664 root utmp -

Thread

Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-24 11:00 +0100
  Re: Bullseye - who and users return nothing Greg Wooledge <greg@wooledge.org> - 2022-01-24 13:50 +0100
    Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 02:40 +0100
    Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 02:40 +0100
      Re: Bullseye - who and users return nothing Greg Wooledge <greg@wooledge.org> - 2022-01-25 04:00 +0100
        Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 04:10 +0100
          Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 04:10 +0100
            Re: Bullseye - who and users return nothing Greg Wooledge <greg@wooledge.org> - 2022-01-25 04:30 +0100
              Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 05:10 +0100
                Re: Bullseye - who and users return nothing Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2022-01-25 05:20 +0100
                Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 05:30 +0100
                Re: Bullseye - who and users return nothing David Wright <deblis@lionunicorn.co.uk> - 2022-01-25 06:00 +0100
                Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 06:40 +0100
                Re: Bullseye - who and users return nothing Andrei POPESCU <andreimpopescu@gmail.com> - 2022-01-25 11:50 +0100
                Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 13:20 +0100
      Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 14:10 +0100
        Re: Bullseye - who and users return nothing local10 <local10@tutanota.com> - 2022-01-25 14:20 +0100
        Re: Bullseye - who and users return nothing Greg Wooledge <greg@wooledge.org> - 2022-01-25 14:20 +0100
          Re: Bullseye - who and users return nothing "Gareth Evans" <donotspam@fastmail.fm> - 2022-01-25 16:00 +0100

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