Strange message on ssh login

[Richard Shaw]

I've never seen additional output before but when I remoted in to my F28
desktop I got the following:

Using username "<user>".
<user>@<host>'s password:
Activate the web console with: systemctl enable --now cockpit.socket

Last login: Sun Jul  1 09:26:49 2018

What's up with that?

Thanks,
Richard

[Tom Horsley]

On Mon, 2 Jul 2018 07:35:38 -0500
Richard Shaw wrote:

>  What's up with that? 
Well, one possibility is the "Banner" setting in /etc/ssh/sshd_config
which displays any old arbitrary text file on login. Perhaps someone
stuck that in to try and get people to run the systemctl command
so they could then take over the world :-).

[Todd Zullinger]

Richard Shaw wrote:
>  I've never seen additional output before but when I remoted in to
> my F28
>  desktop I got the following:
>  
>  Using username "<user>".
>  <user>@<host>'s password:
>  Activate the web console with: systemctl enable --now cockpit.socket
>  
>  Last login: Sun Jul  1 09:26:49 2018
>  
>  What's up with that? 
The cockpit-ws package installs /etc/issue.d/cockpit with
the "Activate the web console ..." content.

-- 
Todd
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I've had a perfectly wonderful evening.  But this wasn't it.
    -- Groucho Marx

[Richard Shaw]

On Mon, Jul 2, 2018 at 10:20 AM Todd Zullinger <tmz(a)pobox.com&gt; wrote:

>  Richard Shaw wrote:
>  > I've never seen additional output before but when I remoted in to my F28
>  > desktop I got the following:
>  >
>  > Using username "<user>".
>  > <user>@<host>'s password:
>  > Activate the web console with: systemctl enable --now cockpit.socket
>  >
>  > Last login: Sun Jul  1 09:26:49 2018
>  >
>  > What's up with that?
>
>  The cockpit-ws package installs /etc/issue.d/cockpit with
>  the "Activate the web console ..." content.
>  
Thanks, that got it fixed. I may submit a BZ to remove that. I can't think
of a reason you would want to show that every login.

Richard

[Richard Shaw]

On Mon, Jul 2, 2018 at 10:20 AM Todd Zullinger <tmz(a)pobox.com&gt; wrote:

>  Richard Shaw wrote:
>  > I've never seen additional output before but when I remoted in to my F28
>  > desktop I got the following:
>  >
>  > Using username "<user>".
>  > <user>@<host>'s password:
>  > Activate the web console with: systemctl enable --now cockpit.socket
>  >
>  > Last login: Sun Jul  1 09:26:49 2018
>  >
>  > What's up with that?
>
>  The cockpit-ws package installs /etc/issue.d/cockpit with
>  the "Activate the web console ..." content.
>  
Ok, I removed that symbolic link to the cockpit motd but I still see the
message even after restarting the ssh service...

Thanks,
RIchard

[Todd Zullinger]

Richard Shaw wrote:
>  On Mon, Jul 2, 2018 at 10:20 AM Todd Zullinger <tmz(a)pobox.com&gt;
> wrote:
>  
> > Richard Shaw wrote:
> >> I've never seen additional output before but when I remoted in to my F28
> >> desktop I got the following:
> >>
> >> Using username "<user>".
> >> <user>@<host>'s password:
> >> Activate the web console with: systemctl enable --now cockpit.socket
> >>
> >> Last login: Sun Jul  1 09:26:49 2018
> >>
> >> What's up with that?
> >
> > The cockpit-ws package installs /etc/issue.d/cockpit with
> > the "Activate the web console ..." content.
> >
>  
>  Ok, I removed that symbolic link to the cockpit motd but I still see the
>  message even after restarting the ssh service... 
Hmm.  The issue.d support is new in util-linux and I'm not
sure what is required to cause it to be reloaded.  I imagine
there's some systemd unit or whatever, but I didn't find it
while poking the documentation.  Removing the symlink and
rebooting the VM caused the message to be removed.

On the server flavored install, there's an additional "Admin
Console:" entry which comes from /etc/issue (a symlink to
/usr/lib/os.release.d/issue-server, via /usr/lib/issue).

Removing /etc/issue removes that as well.  It looks like
there might be further messages displayed via /etc/motd.d
too (whether currently or planned for a cockpit update).

Here's a bug report about dropping the message from
/etc/issue which has some links to other related tickets:

    https://bugzilla.redhat.com/show_bug.cgi?id=1591389

That might be a decent starting point if you're looking to
file a bug asking that no messages be shown by default.

At the least, the documentation involving this could use
some work.  There seems to be a good bit of hidden magic
involved at the moment.  The fedora-release package is what
installs /etc/issue and its scriptlets handle the symlinks
to the various os flavors, in case it helps you with further
digging.

-- 
Todd
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Until you have the courage to lose sight of the shore, you will not
know the terror of being forever lost at sea.
    -- Demotivators (www.despair.com)

[Richard Shaw]

Just to close the loop... While restarting sshd did not get rid of the
message rebooting did.

Thanks,
Richard

[Jeffrey Ross]

On 2018-07-03 22:06, Richard Shaw wrote:

>  On Mon, Jul 2, 2018 at 10:20 AM Todd Zullinger <tmz(a)pobox.com&gt;
> wrote: 
>  
> > Richard Shaw wrote:
> >> I've never seen additional output before but when I remoted in to my F28
> >> desktop I got the following:
> >> 
> >> Using username "<user>".
> >> <user>@<host>'s password:
> >> Activate the web console with: systemctl enable --now cockpit.socket
> >> 
> >> Last login: Sun Jul  1 09:26:49 2018
> >> 
> >> What's up with that?
> > 
> > The cockpit-ws package installs /etc/issue.d/cockpit with
> > the "Activate the web console ..." content.
>  
>  Ok, I removed that symbolic link to the cockpit motd but I still see the message even
> after restarting the ssh service... 
>  
>  Thanks, 
>  RIchard 
I also found the cockpit message in /etc/motd.d/cockpit 

removed it from there and the problem cleared. 

Jeff

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