On 20/5/26 16:46, Francis Montagnac wrote:
Hi.

On Wed, 20 May 2026 13:18:35 +1000 [email protected] wrote:
Looking slowly though the boot messages I saw:
      2026-05-19T11:50:10+10:00 e4.eyal.emu.id.au systemd-system-update-generator[445]: 
Offline system update overridden by runlevel "5" on the kernel command line
This is not an option in my /etc/default/grub. I used it once from
the grub boot menu and it seems that it remembered it for many
months and updates!

I doubt that. You perhaps used grubby to set this 5 runlevel, and
grubby failed to update /etc/default/grub as it does now, not sure if
it did that update in the past.

IIRC grub2-mkconfig as well as grubby updates now:

   /etc/default/grub
   /etc/kernel/cmdline
   /boot/loader/entries/*

A real nightmare :-(

I personally prefer to edit /etc/default/grub and call grub2-mkconfig
instead of using grubby.

You can then use a version control system like git to keep track of
the changes in /etc/default/grub.

Don't know what grubby is, but I remember what happened.

One day I needed to boot single user so added 'single' to grub command using 
'e' on the menu entry.
Then every later boot went to single user without any error. I used 'e' to 
remove the 'single' but
it still booted single. So I added '5' and all was well. This was a few months 
ago.

This time it got me unaware (I forgot) so I edited the entry to remove the '5'. 
All is well since then.

--
Eyal at Home ([email protected])
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