On Sat, 3 Apr 1999, Bret Hughes wrote:
> I need to be able to launch a java program in X on a remote machine and
> have it display on the console of that remote machine. I am gaining
> experience in Linux but as far as X goes I still still have to think
> about the apparent (to me at least) reversal of the client server roles
> in X terminalogy every time someone says start the server so please go
> easy on me.
> I would also like to be able to start this same program up at boot time
> and have it display on the console but for right now if I can start it
> remotely I will be a happy camper. I have tried a few guesses like
> telneting into the remote machine and running the program with:
> jre progname -display remotehostname 0:0
> jre progname -display remotehostname:0.0
> Each time I get a message on the local machine from Xlib: telling me the
> connection is refused and that I do not have authorization to connect to
> server Then Java gets mad and tells me I can't connect to the server
> using the localhostname :0.0 as the value of the display variable.
Try (on the remote machine)
export DISPLAY=:0.0 (if running bash, setenv DISPLAY :0.0 for csh/tcsh)
xhost +localhost
jre progname -display :0.0
That should do it. If xhost tells you that you have no authority to connect
to :0.0, then you'll have to open a terminal on that X desktop and do the
xhost line from there (Which sorta defeats the purpose of doing the whole
thing, since you'd do it from the head if you could I'm sure). Usually this
is because you're not the same user as the one who 'owns' the console
(/dev/tty0) at the time - if you have to, su to that user and run the command.
If this still doesn't work, try xhost +remote_machines_name. Worst case
scenario would be xhost +, which turns off permissions entirely (Any machine
that can see that machine could then write to the X display).
---
Steve Huston - New Jersey, USA
Rowan University Comp Sci Major - Student Technician Supervisor
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