Regid Ichira wrote: > Will the debian management system interpret a missing conffile as > though it was removed by the system administrator?
Yes. A missing conffile has been determined to a local configuration
and will be preserved upon upgrades.
You can use the dpkg option --force-confmiss to force dpkg to install
conffiles that have been removed upon upgrade. This is what I desire
and so I set the following in my /etc/apt/apt.conf file.
DPkg::Options::="--force-confmiss";
The dpkg man page has this documentation:
confmiss: Always install a missing conffile. This is dan‐
gerous, since it means not preserving a change (removing)
made to the file.
confnew: If a conffile has been modified always install
the new version without prompting, unless the
--force-confdef is also specified, in which case the
default action is preferred.
confold: If a conffile has been modified always keep the
old version without prompting, unless the --force-confdef
is also specified, in which case the default action is
preferred.
confdef: If a conffile has been modified always choose
the default action. If there is no default action it will
stop to ask the user unless --force-confnew or
--force-confold is also been given, in which case it will
use that to decide the final action.
> That is, will somethings break if the administrator removes a
> conffile, rather then nullify its contents or commenting in each
> line of the file? The file is marked by dpkg as a conffile.
Whether something will break depends upon the programs involved. For
example if you remove /etc/bind/named.conf then the named will
certainly be broken. But other applications may be okay without a
conffile. So the answer there is that it depends upon the
application whether you will break something by removing the file.
Bob
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