AD IT Systems GmbH - Notice history

Dear customers,

We want to inform you about upcoming maintenance work:

• What will take place?

  • We are updating all systems to the Debian 12 “Bookworm” operating system.

• Why is the maintenance work necessary / What is the advantage of this maintenance work for you?

  • To maintain system security and the current state of the art.

• When will the work take place?

  • between 2025-08-19 and 2025-08-21, between 09:00 and 17:00 (CEST).

  • The downtime per system will be less than 30 minutes.

• Who is affected?

  • All customers on our shared and managed hosting infrastructure

• How will this be affecting me?

  • This changes the default version of PHP after the update.

  • PHP 8.2 will be executed instead of 7.4 in the shell (/usr/bin/php).

  • For websites, “Standard (7.4)” will become “Standard (8.2)” after the update.

  • If your website is not compatible with this PHP version, please adjust the required PHP version for each domain accordingly before the update.

  • Furthermore, the MySQL database version will change from MariaDB 10.5 to MariaDB 10.11.

    • Please ensure the compatibility of the CMS used.

  • Python will be updated from Python 3.9 to 3.11.

    • Please check and record all modules, for example, via the requirements.txt, before we upgrade to “Bookworm. "

    • We will update your VirtualEnv environments for you

    • Ensure all your modules are compatible with Python 3.11 before the update.

  • How can I get more information?

    • In our documentation:

      • https://www.aditsystems.info/allgemein/debian/deb12/

      • https://www.aditsystems.info/liveconfig/domain/php/

We will inform you when the maintenance has been completed.