A partir de man dpkg
--configure package...|-a|--pending
Configure a package which has been unpacked but not yet config‐
ured. If -a or --pending is given instead of package, all
unpacked but unconfigured packages are configured.
Configuring consists of the following steps:
1. Unpack the conffiles, and at the same time back up the old
conffiles, so that they can be restored if something goes wrong.
2. Run postinst script, if provided by the package.
A partir de man dpkg-reconfigure
dpkg-reconfigure - reconfigure an already installed package
-pvalue, --priority=value
Specify the minimum priority of question that will be displayed.
dpkg-reconfigure normally shows low priority questions no matter
what your default priority is. See debconf(7) for a list.
-a, --all
Reconfigure all installed packages that use debconf. Warning: this
may take a long time.
Aqui dpkg --configure -a
irá configurar todos os pacotes descompactados, mas não configurados. enquanto dpkg-reconfigure -phigh -a
reconfigurará todos os pacotes instalados que são usados debconf
com alta prioridade.