WIP: refactoring of https://wiki.debian.org/AptConf and other apt configuration pages
Apt is configured by several resources, including:
?AptKeys
- preferences
- apt.conf.d
=== apt.conf.d
Apt accepts configuratino files (without extension) in /etc/apt/apt.conf.d/. These are processed by Apt in numeric/alphabetical order. /etc/apt/apt.conf is also valid but deprecated.
These files can contain various directives:
Dpkg::Pre-Install-Pkgs {"mycommand";};: executes {{{mycommand before package installation/unpacking by Dpkg.