update-motd not updating /etc/motd after LTS upgrade

[Marius Gedminas]

On Fri, Jun 08, 2012 at 05:28:53PM +0000, Helmut Schneider wrote:
> Marius Gedminas wrote:
> > > I have a few scripts within /etc/update-motd.d/, e.g.
...
> > > While on 10.04 and on a fresh installation of 12.04 this script
> > > works fine, on two upgraded machines from 10.04 to 12.04 /etc/motd
> > > is not updated. If I remove /etc/motd (/var/run/motd) it is not even
> > > re-created at all.
> > > 
> > > What can I futher check?
> > 
> > Your PAM configuration?
> 
> Thanks. That helps^Wexplains. Being a conscientious administrator
> allowing only certificates to logon via ssh I set "UsePAM no" in
> sshd_config. So if I want (useful) information at logon I need to lower
> shields?!

Hm.  Can you configure ssh to use PAM for sessions, but not for auth?
I mean, wouldn't

  PasswordAuthentication no
  ChallengeResponseAuthentication no  # already set to no by default on Ubuntu
  
be sufficient to implement your security policy?

Marius Gedminas
-- 
"Learning Perl" is actually a very well-written book for beginning
programmers.  The only thing wrong with it is it's about Perl...
		-- Paul Rubin
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