[CentOS] Why is my default DISPLAY suddenly :3.0?

Fri Apr 26 22:14:12 UTC 2013
Joakim Ziegler <joakim at terminalmx.com>

On 26/04/13 10:36, Keith Keller wrote:
> On 2013-04-26, Michael Hennebry <hennebry at web.cs.ndsu.nodak.edu> wrote:
>> On Thu, 25 Apr 2013, Joakim Ziegler wrote:
>>> I'm on Fedora 6.3. After a reboot, some proprietary software didn't want
>>> to run. I found out that the startup script for said software manually
>>> sets DISPLAY to :0.0, which I know is not a good idea, and I can fix.

>> I'd thought that :0.0 was the norm.

> It is, but it's not a hard and fast rule.  If you are running multiple
> local X consoles, for example, they can't all be :0.0.  I've also seen
> different identifiers when one X session is hung and/or doesn't finish
> cleanly before a new one is brought up.

> If DISPLAY is consistently set to :3.0, perhaps it is a Fedora-specific
> thing, and it'd be best to ask people more familiar with Fedora.  If
> they have made changes, those changes may not have propagated to RHEL/
> CentOS yet.

Sorry, brain fart, I'm running CentOS 6.3, not Fedora. The weird thing 
is that this changed after a reboot. I haven't done any updates that 
seem relevant lately either.

And yes, I know :0.0 shouldn't be depended on, but it seems weird that 
it'd change like that for no good reason.

Joakim Ziegler  -  Supervisor de postproducción  -  Terminal
joakim at terminalmx.com   -   044 55 2971 8514   -   5264 0864