To clarify: was all your data and configuration preserved in this process? After re-installing the koha-common packages things were fine again? *Joel Coehoorn* Director of Information Technology *York University* Office: 402-363-5603 | jcoehoorn@york.edu | york.edu On Tue, Sep 9, 2025 at 10:41 AM Dwight Walker <dwight@wwwalker.com.au> wrote:

Hi

When I was upgrading MariaDB 10.5 to 10.6 on Debian 11 Linux, I discovered Koha 22.05.22.000 was uninstalled in form of koha-common.

Koha was not there when I opened my OPAC URL.

The process of upgrading MariaDB included uninstalling 10.5 which was when Koha as koha-common was uninstalled.

After I installed MariaDB 10.6 I had a database but no Koha software.

Koha relies on MariaDB to hold the catalogue.

To get Koha software back, I reinstalled Koha software as root in command line interface (CLI) on Debian 11 Linux:

apt install koha-common

Cheers,

Dwight Walker WWWalker Web Development Pty Ltd https://wwwalker.com.au (https://wwwalker.com.au) _______________________________________________

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