[plug] Scary message upgrading from Debian bullseye to trixie

[Joerg Martini]

Check the differences between the new version and your customized 
configuration using:

sudo diff /etc/ssh/sshd_config /tmp/tmp.f*cK1e2O00


Decide:

Keep your local customizations if they are important (e.g., custom 
ports, authentication methods).

→ No action required (the warning remains, but your system will continue 
to function).

Apply the new version if you prefer the default configuration:


sudo cp /tmp/tmp.f*cK1e2O00 /etc/ssh/sshd_config

sudo systemctl restart sshd


Note: Your manual changes will be lost!


If you’re unsure, combine both approaches

Copy your current configuration as a backup:


sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.backup


Manually insert the important changes into the new version:

sudo nano /tmp/tmp.f*cK1e2O00

Then replace the old file:

sudo cp /tmp/tmp.f*cK1e2O00 /etc/ssh/sshd_config

sudo systemctl restart sshd


Verify the configuration after making changes:

sudo sshd -t


The warning appears because your system detects automatic updates for 
configuration files.

SSH is critical—a mistake can block access. Proceed with caution!

If you have no idea what you’ve changed: Keep the local version and 
check it later when you have time.


Am 17.07.26 um 08:45 schrieb Steve Boak via plug:
>
> Hi all
>
> Help!
>
> Doing an upgrade of an old Debian system from bullseye to trixie, (all 
> /etc/apt/sources.list entries are debian.org archives), and got this 
> message from sshd:
>
> *Configuring openssh-server*
>
> *A new version (/tmp/tmp.f*cK1e2O00) of configuration file 
> /etc/ssh/sshd_config is available, but the version installed currently 
> has been locally modified.*
>
> *What do you want to do about modified configuration file sshd_config? *
>
> Yes the f*cK... filename is named what you think it is!
>
> Is this just a maintainer's version of fun, or should I be worried?
>
> The contents of the file don't seen out of order, but...
>
> Steve
>
> -- 
> Steve Boak, VK6HSB
> 0411 255 789
> P.O. Box 240, Nannup, WA 6275
>
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