ssh -X for synaptic on KDE computer

Michael Hirsch mdhirsch at
Thu Apr 23 16:25:26 UTC 2009

On Tue, Apr 21, 2009 at 8:23 AM, Eberhard Roloff <tuxebi at> wrote:
> Hi,
> I frequently use ssh -X (X forwarding) to use the openoffice from my
> tiny old laptop (Xubuntu 8.10) on my larger screen desktop (Kubuntu 8.10).
> This works greatly.
> Now I wanted to use synaptic remotely on the notebook because I screwed
> up the nvidia configuration and had no obvious solution to repair this.
> This is what I did:
> ssh -X user at desktop
> works ok!
> then:
> sudo synaptic
> X11 connection rejected becuase of wrong authentication
> /synaptic:18117): Gtk-Warning **: cannot open display: localhost:10.0

Try running "xhost +" after logging in.  Also, try using -Y instead of
-X in your ssh session.


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