[NCLUG] cannot ping ubuntu 12.04 when logged off

[Bob Proulx]

Hi Phil,

Jesse Griffin wrote:
> phil marsh wrote:
> > I'm running Ubuntu 12.04. When my machine is logged out but booted
> > up, I find I cannot ping it from my other machine on my LAN.
> > However, when I'm logged in locally to the Ubuntu 12.04 box, I can
> > ping it from my LAN.
> > In other words logged out -> cannot ping
> > logged in -> can ping.
>
> Are you using a wireless connection?  If so, it may not be started unless you
> are logged in.  Perhaps you can just lock your screen instead of logging out?
> You should also be able to set your wireless connection to start on
> boot which would fix it.

Sounds like you are using NetworkManager.  The default for NM is that
it is only connected to the network when you are logged in.

> > Could someone kindly tell me what I need to set to get the 12.04
> > box to accept pings (and ssh logins) when booted but not logged in
> > locally?

Coincidentally this question was just asked on the debian-user mailing
list.  Your Ubuntu should be similar.  Here is the answer that was
posted in response there.

  http://lists.debian.org/debian-user/2013/08/msg00158.html
  Michael Biebl wrote in debian-user:
  Open nm-connection-editor and select the option "Available to all
  users".  Then the wpa key is stored system wide (not in the users
  session keyring) and the connection persists when you log out.

HTH,
Bob