[systemd-devel] all numeric usernames not allowed in systemd (version 245 onward)

[Zbigniew Jędrzejewski-Szmek]

On Thu, Apr 07, 2022 at 04:37:48PM +0530, Nikhil Kshirsagar wrote:
> Is there any chance systemd could support a configuration option in the
> future to get the earlier "all numeric" user logins to work? With an
> understanding that it would be at the users own risk?
No.

> Are there any pam_systemd configuration options under consideration that
> might help anyone looking for such functionality? Or is the only option
> "not to upgrade" for someone interested in preserving their all numeric
> usernames?
Not upgrading is one option, renaming the users before or after the upgrade
are the other options.

Zbyszek