No subject

Chuck Peters cp at
Wed Jun 15 02:43:31 UTC 2011

On Tue, Jun 14, 2011 at 9:54 PM, Bill vance <faptagon at> wrote:

> Howdy gang;
> Can anyone tell me what program creates the following?
Invalid MIT-MAGIC-COOKIE-1 key
> (synaptic:26714): Gtk-WARNING **: cannot open display: :0.0

synaptic - graphical management of software packages
See man synaptic

An error like that usually means you are trying to open a graphical
application remotely or as a different user and you don't have permission to
open the display.  In this case your display is :0.0.

On my system the display is :0
$ env|grep DISPLAY

Can it be safely removed, and re-installed, or is there, (hopefully),
> a better way to fix this?

What were you doing when the message occurred?

If it is just an error message and it isn't causing any real problems just
ignore it.

If you were trying to open synaptic remotely with ssh try adding ssh -X
hostname.  Or better yet use apt-get or aptitude to update the machine.

> I really don't need to rebuild the entire system __again__, do I?


And why did you need to rebuild it in the first place?

> I'm
> getting this from a
> number of unrelated things, and mostly I can work around them, but
> it's getting anoying
> __again__.

What annoyances?

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the kubuntu-users mailing list