For instance, you can change the configuration options for
ssh using the following command:
# dpkg-reconfigure ssh
Every configuration parameter is assigned a priority by the package maintainer. This allows debconf
to select the default values for settings below a specific priority. By default, you will be prompted
to answer questions of only medium, high, or critical priority; low-priority questions are answered
automatically. You can change this by reconfiguring the debconf package:
# dpkg-reconfigure debconf
Advanced users maintaining multiple systems may want to create a database of configuration
settings that can be distributed to every computer (or to sets of computers) to reduce
the number of repeated steps. This process is documented in the debconf and debconf.conf man pages.
Summary
The reliability of Debian GNU/Linux, combined with the large number of high-quality packages
available for it, make Debian a great choice for both workstations and servers. The carefully executed
releases and the capability to upgrade most software without rebooting serve to further
increase its suitability as a server operating system.
APT is a primary tool for installing, removing, and upgrading packages. This chapter explores how
to use the apt-get and apt-cache utilities for package management.
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