GNU bug report logs - #73928
"who" should support wtmpdb

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Package: coreutils;

Reported by: Vincent Lefevre <vincent <at> vinc17.net>

Date: Mon, 21 Oct 2024 11:17:02 UTC

Severity: normal

Merged with 76346, 76347

Done: Chris Hofstaedtler <zeha <at> debian.org>

Bug is archived. No further changes may be made.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Thorsten Kukuk <kukuk <at> suse.com>
Cc: Gnulib bugs <bug-gnulib <at> gnu.org>, 1080330 <at> bugs.debian.org, Chris Hofstaedtler <zeha <at> debian.org>, Vincent Lefevre <vincent <at> vinc17.net>, Michael Stone <mstone <at> debian.org>, 73928 <at> debbugs.gnu.org
Subject: bug#73928: Bug#1080330: coreutils: who no longer works
Date: Mon, 17 Feb 2025 01:08:15 -0800

On 2025-02-17 00:22, Thorsten Kukuk wrote:
> Maybe that systemd version is too old on that systems?

The systemd versions are reasonably recent. Fedora 41 has systemd 256.11 
(2025-01-08) and Ubuntu 24.10 has systemd 256.5 (2024-08-31). Here are 
the details:

On Fedora 41, "systemctl --version" reports:

systemd 256 (256.11-1.fc41)
+PAM +AUDIT +SELINUX -APPARMOR +IMA +SMACK +SECCOMP -GCRYPT +GNUTLS 
+OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN -IPTC +KMOD 
+LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY 
+P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK 
+XKBCOMMON +UTMP +SYSVINIT +LIBARCHIVE

On Ubuntu 24.10, the same command reports:

systemd 256 (256.5-2ubuntu3.1)
+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS 
+OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD 
+LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY 
+P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK 
-XKBCOMMON +UTMP +SYSVINIT +LIBARCHIVE



> systemd  only writes the boot time, nothing else.

Is it that simple? systemd/src/core/exec-invoke.c's exec_invoke seems to 
do more than that if ENABLE_UTMP is defined.

Even if it's that simple, something is updating the traditional 
/var/run/utmp and /var/log/wtmp files on Fedora and Ubuntu and at least 
in some cases they work better than systemd does and this should be 
fixed somehow.
This bug report was last modified 92 days ago.

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