On Tue 25 Jan 2022, at 03:02, Gareth Evans <donots...@fastmail.fm> wrote: > On Tue 25 Jan 2022, at 02:54, Greg Wooledge <g...@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 - And fwiw (from a comment in the link you provided) $ sudo journalctl -b _COMM=systemd-tmpfiles -- Journal begins at Sat 2021-08-21 14:27:06 BST, ends at Tue 2022-01-25 03:04:> -- No entries --
