06-25-2012
HELP for Newbie: Unable to run GUI installer (Ubuntu client connected to SLES server)
Hello All,
I'm using my Ubuntu 10.04 client connected via SSH to a SuSE Linux server (SuSE Linux Enterprise Server 11 (x86_64) version 11 patchlevel=1).
I'm trying to run an install of WebSphere Portal but can't seem to be able to run the GUI installer.
Running xclock as root returns this error:
Error: Can't open display:
Running xhost returns this:
xhost: unable to open display ""
As far as my very limited knowledge of Linux goes, I don't have to export display while connecting from an Ubuntu client (never had to do that connecting to AIX and some others). So I think it's something on the server side that needs to be configured or run... Your help would be very appreciated!
Thanks in advance!
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LEARN ABOUT DEBIAN
synergyc
SYNERGYC(1) General Commands Manual SYNERGYC(1)
NAME
synergyc -- synergy client
SYNOPSIS
synergyc [-d level | --debug level ] [--display display ] [--daemon | { --no-daemon | -f } ] [-n name | --name name ] [--restart |
{ --no-restart | -1 } ] address
synergyc { --help | -h }
synergyc --version
DESCRIPTION
Starts the synergyc mouse/keyboard sharing client.
This manual page was written for the Debian distribution because the original program does not have a manual page. Slightly old documenta-
tion exists in /usr/share/doc/synergy/obsolete/index.html; it is the most up-to-date information available, despite the pathname.
OPTIONS
-d level --debug level
use debugging level level.
Debug levels are from highest to lowest: FATAL, ERROR, WARNING, NOTE, INFO, DEBUG, DEBUG1, and DEBUG2. Only messages at or
above the given level are logged. Messages are logged to a terminal window when running in the foreground, and to syslog when
running as a daemon.
--display display
connect to the X server at display
--daemon run the client as a daemon.
-f --no-daemon
run in client the foreground.
-n screen-name --name screen-name
use screen-name instead of the hostname.
This option lets the client use a name other than its hostname for its screen. This name is used when checking the configuration.
--restart restart the client automatically if it fails.
-1 --no-restart
do not try to restart the client if it fails for some reason.
-h --help
display help and exit.
--version display version information and exit.
address address of server.
address has one of the following forms:
o hostname
o hostname:port
hostname is a hostname or address of a network interface on the server system. port is a port number from 1 to 65535. port
defaults to 24800.
RUNNING THE CLIENT
Run the client on all computers that aren't the server using the following command line:
synergyc -f server-hostname
Replace server-hostname with the hostname or address of the server system. The `-f' option causes synergy to run in the foreground. This
option is recommended until you've verified that the configuration works. If you didn't include the system's hostname in the configuration
file (either as a screen name or an alias) then you'll have to add `--name screen-name' to the command line, where screen-name is a name in
the configuration file.
The client should quickly report `connected to server'. If it does not but doesn't print an error and exit immediately then it's trying to
connect to the server but cannot. It will time out in 30 seconds and exit (use ctrl+c to exit earlier). You should check that the server
is running and is reachable over the network and try again.
If the client fails and exits it should print an error describing the problem. Here are typical problems and possible solutions:
o failed to open screen:
check permission to open the X display
check that the DISPLAY environment variable is set
o already connected:
check that the synergy client isn't already running
o refused client:
add client to the server's configuration file
o connection failed:
check server-hostname
the server cannot open the desired port, stop the program using that port (24800) and restart the server
Once all the clients are running, try moving the mouse to each screen. Be sure to check all the configured links.
STARTING AUTOMATICALLY
Synergy requires an X server. That means a server must be running and synergy must be authorized to connect to that server. I recommend
to start the synergy client from a start script of your desktop environment or window manager. The commands should look something like
this:
pkill synergyc
synergyc [options] server-hostname
If you are using GNOME, you can add the synergy client to the list of the non-session-managed startup programs. For doing this, start the
control center, choose `Session Properties & Startup' and then `Startup Programs'. Add a new entry with `/usr/bin/synergyc server-hostname'
as the startup command.
options must not include `-f' or `--no-daemon'. It's important to make sure no old copies of synergy are running so they can't interfere
with the new one.
SEE ALSO
synergys(1)
AUTHOR
This manual page was written by Daniel Lutz <danlutz@debian.org> for the Debian system. Edited by Titus Barik <barik@ieee.org>.
SYNERGYC(1)