Feature/debian 13 support / Issue #2082

[MagelanM]

Description

This feature should update Debian 12 (bookworm) to Debian 13 (trixie).
The security support for Debian 12 end on 10 June 2026. With Debian LTS supports ends 20 August 2028.

Changes

• switch to trixie dist repos
• suppresses stderr-Output if PHP is not yet installed (new system)
• adoption for maria db install command
• OSCP stapling
  • Disable OCSP stapling for self-signed certs - fixes OpenSSL 3.5 incompatibility on trixie
  • Enable OCSP stapling with valid Let's Encrypt certificate
• ssh: reload via socket on trixie
• dist-upgrade: remove switch to systemd-resolved for lxc enviroments, it breaks DNS

Not changed

• PHP version 8.3. is unchanged

Tests

LXC

Install on plain Debian 13 LXC

• ncp-config → UPDATES → nc-update-nextcloud 33.0.2 -> 33.0.3
• ncp-config → BACKUP → nc-backup
• ncp-config → DATABASE → nc-database → move db dir
• ncp-config → UPDATES → unattended-upgrades

Dist upgrade on NCP 1.57.1, NC 33.0.2

• ncp-config → UPDATES → nc-update-nextcloud 33.0.2 -> 33.0.3
• ncp-config → BACKUP → nc-backup
• ncp-config → UPDATES → nc-update-nc-apps
• ncp-config → UPDATES → unattended-upgrades
• Check for maria db warn/errors (journalctl -u mariadb --no-pager | grep -i 'warn|error')

[theCalcaholic]

Thank you so much! Overall this looks great and I appreciate the work you have put into this.

I have left a number of review comments with a few minor suggestions and a few questions. Please answer/react to those before we can merge this.

[theCalcaholic]

continued in #2123