[ale] Need an "X" fix.

[hirsch at zapmedia.com]

Dow Hurst writes:
 > First off, xhost is the mechanism used by IRIX, however, it isn't used
 > by Linux.  Xauth is used by Linux.  So the xhost isn't necessary.  The
 > permission for X display is on the Chinaberry Linux system side since it
 > is the Xserver.  You need to have the Xauth key from Almost merged into
 > your Chinaberry side of the connection.  The xterm is the client and the
 > Xserver is running on Chinaberry and requires the proper authorization
 > from Almost.

Um,..what do you mean that xhost is not used by Linux?  I use it every
day.  You can use Xauth, but I've never had a Linux dist (or any other
X windows implementation for that matter) that didn't use it.

What distribution are you talking about?

--Michael

 > Dow
 > 
 > PS.  sorry for "cross-replying" incorrectly.  thought I had the right
 > email displayed when I clicked on reply!
 > 
 > 
 > Jim Lynch wrote:
 > > 
 > > I've pulled most of my hair out trying to figure this one out but I'm
 > > stumped.  Perhaps someone here can help.
 > > 
 > > This is the output from a Linux system I'm trying to run Xvfb on to
 > > provide a dummy X session.
 > > 
 > > <chinaberry 154> ./start.sh
 > > + export DISPLAY=chinaberry.peachtree.sgi.com:5
 > > + Xvfb :5
 > > + DISPLAY=chinaberry.peachtree.sgi.com:5
 > > + xhost +
 > > access control disabled, clients can connect from any host
 > > + xauth generate chinaberry.peachtree.sgi.com:5 .
 > > xauth:  creating new authority file /home/jwl/.Xauthority
 > > + xauth extract - chinaberry.peachtree.sgi.com:5
 > > + rsh -l guest almost.csd.sgi.com /usr/bin/X11/xauth merge -
 > > /usr/bin/X11/xauth:  creating new authority file
 > > /usr/people/guest/.Xauthority
 > > <chinaberry 155> xauth list
 > > chinaberry.peachtree.sgi.com:5  MIT-MAGIC-COOKIE-1
 > > 1668367a2c5c1f194b77413947551b77
 > > 
 > > Start.sh, as you can see, cranks up Xvfb on display 5.  I also attempted
 > > to open up the access via the xhost command.  It says it works, but it
 > > lies.
 > > 
 > > almost 55% xauth list
 > > chinaberry.peachtree.sgi.com:5  MIT-MAGIC-COOKIE-1
 > > 1668367a2c5c1f194b77413947551b77
 > > almost 57% setenv DISPLAY chinaberry.peachtree.sgi.com:5
 > > almost 58% echo $DISPLAY
 > > chinaberry.peachtree.sgi.com:5
 > > almost 59% xterm
 > > Xlib: connection to "chinaberry.peachtree.sgi.com:5.0" refused by server
 > > Xlib: Invalid MIT-MAGIC-COOKIE-1 key
 > > Error: Can't open display: chinaberry.peachtree.sgi.com:5
 > > 
 > > I did the same exercise without the .Xauthority files in place.  With
 > > out all the details I get:
 > > 
 > > almost 61% xterm
 > > Xlib: connection to "chinaberry.peachtree.sgi.com:5.0" refused by server
 > > Xlib: Client is not authorized to connect to Server
 > > Error: Can't open display: chinaberry.peachtree.sgi.com:5
 > > 
 > > even though xhost + said "access control disabled, clients can connect
 > > from any host".
 > > 
 > > almost.csd is an Irix system.  I've tried the same tests between two
 > > Linux systems with the same results.  Chinaberry is running a Debian
 > > dist. kernel 2.2.19.  The other Linux box was a Red Hat installation.
 > > 
 > > Anyone got any ideas?
 > > 
 > > Thanks,
 > > Jim.
 > > 
 > > ---
 > > This message has been sent through the ALE general discussion list.
 > > See http://www.ale.org/mailing-lists.shtml for more info. Problems should be
 > > sent to listmaster at ale dot org.
 > 




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