How to uninstall openHABian from my debain server?

[Oliver2 (Oliver)]

Is McAfee virus scanner installed? If yes, try to deactivate it.

Please read also this thread. Problem seems to be identical to yours:

Can't login to my server after updating OH to 4.0.1 [Solved]

This will not work. the directory should contain a library. This means: when you try to login so called PAM ( Plugable Authentication Modules ) is being called. PAM is configurable … during the logon process PAM is called and tries to open the pam_unix.so module the module is not there you get an error message in the log file and on the screen result is that no user can login This should not happen. Either something is wrong with the basic installation of Debian 12 on your system or this…