Paul Eggert <egg...@cs.ucla.edu> writes: > 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?
I see these as real: they (gdm) are a user and they have a session. Adding additional filtration can only confuse admins who compare 'who' and other tools. -- Arsen Arsenović
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