[lug] Newbie X-window questions

[John Hernandez]

Warren Sanders wrote:
> 
> On Wed, 9 May 2001, Hugh Brown wrote:
> 
> > Date: Wed, 9 May 2001 15:38:49 -0400 (EDT)
> > From: Hugh Brown <hugh at vecna.com>
> > Reply-To: lug at lug.boulder.co.us
> > To: lug at lug.boulder.co.us
> > Subject: Re: [lug] Newbie X-window questions
> >
> > If you are sitting at mine why do you want a window to open up on hers?
> >
> > You can't do that (that I know of) by the way.  Maybe you mean this.
> 
> I have seen it done before. It was a prank, but don't know the commands.
> :(
> 

Even under the old security method, you would require UID=0 or UID matching the user running Xserver on the remote host.  I'm pretty sure.  Does anybody know otherwise?

> >
> > sitting at mine, want to get an xterm on hers to open on mine
> >
> > Method 1.
> > mine$ ssh hers xterm
> >
> > Method 2.
> > mine$ xhost +hers
> > mine$ ssh hers
> > hers$ export DISPLAY=mine:0 #assumes sh/bash/ksh syntax
> > hers$ xterm&
> >
> > Hugh
> >
> > "Glenn Murray"
> > >
> > > Tony,
> > >
> > > Thanks much for the reply---I now know more about the security
> > > issues than I thought I needed.  Also, I hadn't thought about
> > > VNC, there's even a Debian package for it.  What happens when
> > > you run connect to a machine with a VNC server which is not
> > > at the moment, running X?
> > >
> > > More fundamentally, though, I'd like at this point to get even one
> > > window open using "host-based authentication".  To avoid the
> > > "local/remote" confusion, say I have a Linux box "mine" which I am
> > > sitting at, and there is a Linux box "hers" running on the local net,
> > > on which I have an account.  I can ssh to hers, and then
> > >
> > > hers$ xhost +mine
> > > xhost:  unable to open display ""
> > >
> > > Does X need to be running on hers already?  Can I start it?
> > >
> > > Don't I have to export some DISPLAY variable?
> > >
> > > What do I type at mine$ to get a window on hers?
> > >
> > > Again, Thanks!
> > > Glenn Murray
> > > www.mines.edu/~glenn/public_html/Welcome.html
> > _______________________________________________
> > Web Page:  http://lug.boulder.co.us
> > Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> >
> 
> --
> Warren Sanders
> http://MontanaLinux.Org
> 
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