dpkg-reconfigure
TLDR
Reconfigure packages
$ dpkg-reconfigure [package1] [package2]
Reconfigure console font setup$ dpkg-reconfigure console-setup
Reconfigure timezone$ dpkg-reconfigure tzdata
SYNOPSIS
dpkg-reconfigure [options] packages
DESCRIPTION
dpkg-reconfigure reconfigures already installed packages. It runs the package's configuration scripts again, allowing you to change settings made during installation.
Useful for reconfiguring locales, keyboard layout, timezone, and other system settings.
PARAMETERS
-f, --frontend frontend
Use specified frontend (dialog, readline, noninteractive)-p, --priority priority
Priority of questions (low, medium, high, critical)-a, --all
Reconfigure all packages--default-priority
Use default priority
CAVEATS
Debian/Ubuntu specific. Not all packages support reconfiguration. Some reconfigurations require root privileges.
