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: Arsen Arsenović <arsen <at> aarsen.me>
Cc: bug-gnulib <at> gnu.org, 1080330 <at> bugs.debian.org, Thorsten Kukuk <kukuk <at> suse.com>, Chris Hofstaedtler <zeha <at> debian.org>, Vincent Lefevre <vincent <at> vinc17.net>, Michael Stone <mstone <at> debian.org>, Bruno Haible <bruno <at> clisp.org>, 73928 <at> debbugs.gnu.org
Subject: bug#73928: Bug#1080330: coreutils: who no longer works
Date: Wed, 19 Feb 2025 09:14:08 -0800

On 2025-02-19 03:26, Arsen Arsenović wrote:
> The case for or against there being a user called 'gdm' when one
> installs a Fedora system is one best presented to the Fedora hackers

It's not just Fedora, it's also Ubuntu. Both systems have pseudousers 
named "gdm" that cannot log in (their login shell is /bin/false or 
/sbin/nologin), but which "who" would report with systemd. I assume 
other distros have similar problem.

A simple fix is for "who" to silently filter out anybody named "gdm". 
(Sorry, Giovanni.)

Is there a better way to distinguish real logins from fake ones?
This bug report was last modified 92 days ago.

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