On Thu, Oct 31, 2024 at 03:53:56PM +0100, Christoph Berg wrote:
> I'm now getting a full user systemd including dbus and pipewire when
> logging into the postgres user account:
>
> [0] 15:51 myon@turing:~ $ sudo -iu postgres
> [0] 15:51 postgres@turing:~ $ ps xf
> PID TTY STAT TIME COMMAND
> 113664 pts/8 S 0:00 -bash
> 113688 pts/8 R+ 0:00 \_ ps xf
> 113641 ? Ss 0:00 /usr/lib/systemd/systemd --user
> 113642 ? S 0:00 \_ (sd-pam)
> 113660 ? Ssl 0:00 \_ /usr/bin/pipewire
> 113661 ? Ssl 0:00 \_ /usr/bin/pipewire -c filter-chain.conf
> 113663 ? Ssl 0:00 \_ /usr/bin/wireplumber
> 113665 ? Ssl 0:00 \_ /usr/bin/pipewire-pulse
> 113668 ? Ss 0:00 \_ /usr/bin/dbus-daemon --session
> --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
> [0] 15:51 postgres@turing:~ $ id
> uid=118(postgres) gid=127(postgres) Gruppen=127(postgres),110(ssl-cert)
> [0] 15:52 postgres@turing:~ $
I cannot reproduce this on unstable in a minimal container with systemd
as pid 1, libpam-systemd installed:
290388f0f485 login: mh
Password:
Linux 290388f0f485 6.18.5+deb14-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.18.5-1
(2026-01-16) x86_64
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
mh@290388f0f485:~$ systemctl --user status
● 290388f0f485
State: running
Units: 40 loaded (incl. loaded aliases)
Jobs: 0 queued
Failed: 0 units
Since: Thu 2026-01-29 08:08:00 UTC; 7s ago
systemd: 259-1
Tainted: unmerged-bin
CGroup: /user.slice/user-1000.slice/[email protected]
└─init.scope
├─6006 /usr/lib/systemd/systemd --user
└─6008 "(sd-pam)"
mh@290388f0f485:~$ ps xf
PID TTY STAT TIME COMMAND
6015 pts/0 Ss 0:00 -bash
6054 pts/0 R+ 0:00 \_ ps xf
6006 ? Ss 0:00 /usr/lib/systemd/systemd --user
6008 ? S 0:00 \_ (sd-pam)
mh@290388f0f485:~$ sudo -iu postgres
[sudo] password for mh:
postgres@290388f0f485:~$ ps xf
PID TTY STAT TIME COMMAND
6069 pts/1 S 0:00 -bash
6082 pts/1 R+ 0:00 \_ ps xf
postgres@290388f0f485:~$ systemctl --user status
Failed to connect to user scope bus via local transport:
$DBUS_SESSION_BUS_ADDRESS and $XDG_RUNTIME_DIR not defined (consider using
--machine=<user>@.host --user to connect to bus of other user)
postgres@290388f0f485:~$ loginctl
SESSION UID USER SEAT LEADER CLASS TTY IDLE SINCE
c3 1000 mh - 5996 user pts/0 no -
c4 1000 mh - 6006 manager - no -
2 sessions listed.
postgres@290388f0f485:~$
Maybe my container is missing some packages? I am pasting reportbug
output of the container at the bottom of this mail.
Then, I tried this on my postgresql database server, and things are fine
there as well:
[1/1271]mh@derriere:~ $ ps xf
PID TTY STAT TIME COMMAND
29865 ? S 0:00 sshd-session: mh@pts/2
29866 pts/2 Ss 0:00 \_ -bash
30175 pts/2 R+ 0:00 \_ ps xf
29791 ? Ss 0:00 /usr/lib/systemd/systemd --user
29795 ? S 0:00 \_ (sd-pam)
[2/1272]mh@derriere:~ $ loginctl
SESSION UID USER SEAT LEADER CLASS TTY IDLE SINCE
78 1001 mh - 29784 user - no -
79 1001 mh - 29791 manager - no -
2 sessions listed.
[3/1273]mh@derriere:~ $ sudo -iu postgres
[sudo] password for mh on derriere:
postgres@derriere:~$ ps xf
PID TTY STAT TIME COMMAND
30210 pts/3 S 0:00 -bash
30214 pts/3 R+ 0:00 \_ ps xf
579 ? Ss 0:10 /usr/lib/postgresql/17/bin/postgres -D /var/lib/pos
801 ? Ss 0:00 \_ postgres: 17/main: checkpointer
803 ? Ss 0:01 \_ postgres: 17/main: background writer
911 ? Ss 0:08 \_ postgres: 17/main: walwriter
912 ? Ss 0:01 \_ postgres: 17/main: autovacuum launcher
913 ? Ss 0:00 \_ postgres: 17/main: logical replication launcher
postgres@derriere:~$ loginctl
SESSION UID USER SEAT LEADER CLASS TTY IDLE SINCE
78 1001 mh - 29784 user - no -
79 1001 mh - 29791 manager - no -
2 sessions listed.
postgres@derriere:~$
What am I doing wrong here?
Greetings
Marc
-- System Information:
Debian Release: forky/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.18.5+deb14-amd64 (SMP w/12 CPU threads; PREEMPT)
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages sudo depends on:
ii init-system-helpers 1.69
ii libapparmor1 4.1.3-1
ii libaudit1 1:4.1.2-1+b1
ii libc6 2.42-11
ii libpam-modules 1.7.0-5+b1
ii libpam0g 1.7.0-5+b1
ii libselinux1 3.9-4+b1
ii libssl3t64 3.5.5-1
ii zlib1g 1:1.3.dfsg+really1.3.1-1+b2
sudo recommends no packages.
sudo suggests no packages.
-- Configuration Files:
/etc/sudoers [Errno 13] Permission denied: '/etc/sudoers'
-- no debconf information
Thank you for using reportbug
