Le 11/10/2025 à 17:55, Alex Wahl a écrit :
Hi, is there a difference between just installing needed backports and setting a rule in /etc/apt/preferences.d with priority 500? Does the package manager not correctly handle dependencies in both cases?

Hello,

with a standard setup (Stable with priority 500) you would not want to set up a priority 500 for backports, so backports has a low priority (100) but is flagged for automatic updates.

Excerpt from apt_preferences manpage:
"[...]
       priority 100
           to the version that is already installed (if any) and to the 
versions coming from archives which in their Release files are marked as
           "NotAutomatic: yes" and "ButAutomaticUpgrades: yes" like the Debian 
backports archive since squeeze-backports.
[...]"

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