Ubuntu :: Lucid - Cannot Display Xclock On Remote Machine
Jul 23, 2010
I'm having trouble displaying Xwindows programs on a remote machine. If I run "ssh -X newmachine" and I login and then run a program like xclock, I get the error message:
Error: Can't open display: localhost:10.0
If I run the same command to an anothermachine which is running Ubuntu 8.04 it works fine and xclock displays on my localmachine. If I run the command "echo $DISPLAY" on newmachine, I see:
localhost:10.0
Also, I have checked and xauth is installed on newmachine. What setting I have to change on Ubuntu 10.04 to allow remote display of Xwindows programs?
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Jul 27, 2010
Hostname: Borg
OS: Lucid Lynx
Kernel: 2.6.32-24
Problem:
1. borg > xhost +
2. borg > ssh <anyuser>@<anyhost>
3. anyhost > export DISPLAY:<borg's IP>:0.0
4. xclock
NOTHING HAPPENS!!!! Any ideas? Here is what I have tried thus far.
Efforts:
1. gdmsetup - looked for security tab, doesn't exist
2. installed gdm2setup - still not there
3. looked for gdm.conf - not there
4. when doing ps -ef|grep X - there is a -nolisten tcp "could this be culprit" hmm not sure
5. modified /etc/ssh/ssh_config to Forward X
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Jul 10, 2011
I have SSH -X working fine, displaying stuff that's running on the remote machine on my local machine. But how do I display on the remote machine? I did this many years ago on unix and seem to recall that this was either default or a simple case of setting DISPLAY....
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Dec 26, 2010
I have this problem. Whenever I issue command below,
Code:
ssh -X user@hostA
xclock
[code]....
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Aug 8, 2011
In the past, when I open a gvim session on a remote machine, the title bar of gvim would show the machine name in brackets. I am not sure if this was done by the remote gvim itself, or the local window manager. In the past I have used gnome2, although I am currently using unity (and finding it rather frustrating). Is there some setting I can change to always force remote windows to display the source machine?
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Feb 21, 2011
I recently dist-upgraded from Debian 5 to 6 (squeeze). Since then, the xclock I run from my window manager's start script isn't displaying correctly (it displays only a "0"). The thing is, if I run the same command in my start script in my terminal, it works just fine, as it has always done...
I use this rather "old" X applications because I like my programs simple/not buggy/fast, and it's resulting a rather annoying problem (being that apparently nobody else has it...).
All other programs in my start script (gnome-terminal, emacs, xmodmap, etc) are working with no problems whatsoever.
My window manager: sawfish
Command to run xclock in my start script:
Code:
xclock -digital -brief -geometry -0+0
Attached picture:
Top: xclock initialized by start script
Bottom: xclock initialized by terminal
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Oct 8, 2009
I use kubuntu (8.04) which does not have a root account.
[sudo] password for ts:
However, starting xclock or gvim on root shell on konsole has the "Can't open display" error appears.
Error: Can't open display: localhost:0.0
Press ENTER or type command to continue
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Nov 30, 2010
How do you transfer files on a Linux machine with ftp,sftp and scp disabled onto a remote machine
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Jul 18, 2011
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Dec 26, 2009
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Mar 12, 2010
I am struggling to figure out why I cannot display GUI applications from one of the Sun Solaris 10 servers (named espresso) on the network over to my local Linux workstation (beluga). Seems to work perfectly fine when I use my other Solaris 8 (stoli) box for display.Here is what I do, the part that works fine:
stoli: xhost+
stoli: rlogin espresso
espresso: setenv DISPLAY stoli:0.0
espresso: oclock
Now trying the same thing over to linux box, beluga, and it fails with message "Error: Can't open display: beluga:0.0":
beluga: xhost+
beluga: rlogin espresso
espresso: setenv DISPLAY beluga:0.0
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Jan 8, 2010
I have made a shortcut on desktop and want that one to ssh from machineA to machineB and run a command.I have fixed the .pub file so I can ssh without password.This is what I want to doPHP Code:ssh -X user@machineB && start-the-program ..but it seems to not run the command after "&&".How can I do to make it automaticly run a command after it has connected over ssh?
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Jun 19, 2011
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Nov 19, 2010
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Jan 10, 2011
I ran the following commands on my ubuntu desktop :
xrandr --output VGA-0 --mode 1680x1050
xrandr --output VGA-1 --mode 1680x1050
xrandr --output VGA-1 --left-of VGA-0
This gives me dual head. I have a second machine on the same 100mbps network that is also running Ubuntu. I want to run X on that machine and have it's X session as a monitor in xrandr, so I would add something like this :xrandr --output REMOTE-1 --right-of VGA-1Is this possible?
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May 17, 2010
I just installed 10.04 Lucid Lynx and have a serious graphics problem. I've attached a picture to show the problem.
Some Background:
Pentium 4 3.06GHz
1.5GB RAM
ATI Radeon 9600
I installed via liveUSB but had to choose the "nomodeset" option by pressing F6. Otherwise after the Ubuntu boot screen the graphics went like that in the attached image. The installation went fine (took less than 15 minutes!) but after the reboot the graphics problem returned. I can't see anything and the system is useless this way. I can't post up any logs (I'm typing this from the liveUSB).
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Jun 14, 2010
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Jun 28, 2010
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Jan 5, 2011
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The NAS and the HP are wired to the router.
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I can see the NAS drive but not the other machines if I boot the HP into WinXP.
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Oct 2, 2010
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Jan 20, 2011
Put an remote desktop launcher on the lucid login screen.
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Apr 28, 2011
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Mar 21, 2010
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Sep 12, 2010
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Oct 30, 2010
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Jun 15, 2011
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May 4, 2010
I just did the upgrade and I want to turn off the display after 30 minutes. I check that selection but the display does not turn off after 30 minutes. It is still on. I enabled this setting through the power management. The screen saver is on, go to blank display but the monitor does not turn off.
On Windows, dual boot on the same machine, the monitor does display off. I don't know if this is part of the problem or not, but when I go to "System -> Preferences", there are two different "Screensaver" options.
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May 10, 2010
I recently updated to Ubuntu Lucid Lynx from Karmic (fresh install though). All of the packages I used in Karmic seem to work nicely in Lucid, with one exception gnome-rdp. I'm a sysadmin in several windows environments so as you can imagine I love the session storage and grouping features. Unfortunately gnome-rdp is not displaying the group names. it stores my session and creates the group structure just fine, it just doesn't show me the group names in the app or the right-click menu on the top panel icon. My gut says it has something to do with the new Lucid theme, but I like the new theme. Does anyone know of a config file I can edit, or something I can do to disable theme integration, just for gnome-rdp?
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Jun 19, 2010
I have a lucid stock install of Ubuntu, and the visual effects are set to Normal.
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Is there a way of making (say) the top right corner of the screen sensitive so that moving the mouse there triggers the display of all workspaces?
Can this be done with 'stock' installed software?
gconf-editor has a promising looking key called 'expo_edge' at
/apps/compiz/plugins/expo/allscreens/options/expo_edge
but that might do something different.
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