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Re: apt won't put config files back




On Mon, Jan 14, 2019 at 01:36:10PM +0000, aces and eights wrote:
> after failing to get my roundcube dovecot installations to work again, as a
> last resort I apt removed dovecot and also /etc/dovecot.
> Thinking "that's OK apt will put them back."
> except
> "Not replacing deleted config file /etc/dovecot/conf.d/20-managesieve.conf"
> for all the conf files which is not very helpful.
> Is there a way to persuade apt to put the config files back ?

This is an intentional feature.  If you delete a config file, the package
manager assumes you had a good reason for this, and that you want it to
stay deleted, so upgrading a package will not install a new version of
the config file.

If you WANT a new/default config file to be installed, the most obvious
way is to purge (not just remove) the package, and then reinstall it.

If that's too heavy-handed, the next most obvious way is:

1) Get the .deb file with "apt-get --reinstall install pkgname"
   (you might also add the --download-only option).  This places the
   .deb file in /var/cache/apt/archives/.

2) dpkg --install --force-confmiss /var/cache/apt/archives/yourfile