Automate upgrade of openssh-server
On Sun, 17 Apr 2011, Hilco Wijbenga wrote:
> [Resent with a proper subject.]
> Hi all,
> I'm trying to automate the setup of an Ubuntu Server 10.04 64bit
> system. I am unable to run apt-get upgrade sucessfully (i.e. without
> manual intervention). Every time it blocks because of openssh-server
> (and portmap):
> Setting up openssh-server (1:5.3p1-3ubuntu6) ...
> Configuration file `/etc/init/ssh.conf'
> ==> Modified (by you or by a script) since installation.
> ==> Package distributor has shipped an updated version.
> What would you like to do about it ? Your options are:
> Y or I : install the package maintainer's version
> N or O : keep your currently-installed version
> D : show the differences between the versions
> Z : background this process to examine the situation
> The default action is to keep your current version.
> *** ssh.conf (Y/I/N/O/D/Z) [default=N] ?
It depends on what you want (to keep the old config file or accept the
new), but you can do:
apt-get -o Dpkg::Options::="--force-confnew"
apt-get -o Dpkg::Options::="--force-confold"
To force dpkg to install one or the other.
Probably invoke like this:
--option Dpkg::Options::=--force-confold --assume-yes upgrade
Personally, I'd probably save off your old config and then use
force-confnew. dpkg might save it for you anyway, i'm not sure.
> I tried '-y' and '--force-yes'. I tried using aptitude instead of
> apt-get. I tried aptitude's safe-upgrade. I tried setting debconf to
> Noninteractive. Nothing seems to make any difference. How do I make
> sure the upgrade continues automatically?
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