X11 is Version 11 of the X Window System, commonly used on Linux, BSD, and Unix systems to provide the lower level graphics, input, and window management API's that higher level desktops such as GNOME and KDE build upon.

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How to set up a desktop GUI with an Amazon EC2 instance?

I need to get familiar with some software that doesn't run on any of my home machines (windows/mac). So I decided to spin up an EC2 instance and try it there. However, getting EC2 to support a remote ...
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28 views

How can I start X server ons boot?

In most case I login to the server as a root and start the X server manually by calling the startx function. After the I can use X11 forwarding. However I would like to know how can I start X11 as a ...
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125 views

Unable to install X11 server on RHEL6

I am tring to install X11 server on a RHEL6 server yum groupinstall "X Window System" "Desktop" "Fonts" but I am getting the following error: Error Downloading Packages: ...
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1answer
824 views

How do you configure X11 forwarding over SSH on AIX?

Here is what I've tried. I've edited /etc/ssh/sshd_config on the remote AIX system X11Forwarding yes X11DisplayOffset 10 X11UseLocalhost yes as well as set $DISPLAY DISPLAY=localhost:10.0 export ...
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150 views

Why cron job is not able to open X display connection [closed]

I have a java app rendering some sprites using LWJGL and OpenGL. It works fine until I move it to remote virtual machine with no phisical graphic card, Mesa 3d with related stuff is used to emulate it ...
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188 views

Forwarding X11 with one hop without X-server installed

problem I want to run X-applications remotely on a machine C from my client A. The only way to connect to this machine is by using machine B (firewall) as a hop: A --> B --> C So far, simple ssh ...
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2answers
66 views

Logging in to X-Windows with advanced .profile

I have just upgraded one of my systems to Precise Pangolin (Ubuntu 12.04). (A long-overdue upgrade from Lucid. Youch!) When I try to login to X Windows, I get a ~/.xsession-errors file with these ...
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132 views

Identify mystery output on ssh login

How can I find where this dbus-launch error output is coming from? At first I thought it was related to motd but I currently have that disabled. X11Forwarding is turned off in my sshd_config as well ...
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1answer
42 views

How to tell if an ssh session is using x forwarding (if it was run with -X or -Y)

For a given ssh session, is there a way to tell if it has x-forwarding enabled? I.e. you don't know if the session was established with ssh username@address or with ssh -X username@address.
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60 views

Running GDM without local X server

I would like to run a linux server without starting its X server. Indeed, it will be always accessed with a X terminal (e.g. Xming), i.e. the X server runs on client's machine. I have not been able ...
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245 views

how to see what user preferences set via xset are currently set to?

When using an X display server, one can set various things via "xset". How, in general, can one view what these preferences are currently set to? If a general answer is not possible, then is there a ...
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1answer
639 views

Timeout in locking /.Xauthority

I have google searched and everyone who has this problem has an error in locking /home/user/.Xauthority. The issue is that it is trying to lock /.Xauthority. Obviously there is no .Xauthority in /, ...
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1answer
55 views

How do I set a default window manager for XDM?

I would like to setup XDM so that all users are logged into the Blackbox window manager by default (without adding a .xsession file to each home directory). Any clues?
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1answer
348 views

Shadowing with x0vncserver - No mouse pointer

I am working on a solution to shadow a user's X session in a multiuser desktop environment. If one wants to shadow a session they use my script. My script sets the proper XAUTHORITY environment ...
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0answers
247 views

Installed fonts not available for wish on lubuntu 12.04

We use several lubuntu's in our lab where we control machines using wish. Now the standard lubuntu installation has no xterm-scalable fonts installed. I've installed also the msfonts and the ...
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210 views

Local display using Xming-Putty

've been struggling with Xming and putty for a while and I can't make it work; I enabled X11 forwarding in putty, updated xauth list on the client side with the xauth list of the server side. ...
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1answer
157 views

amazon EC2 x11 problems

We are trying to set up a virtual development / research cloud environment for our students. Students need to be able to log-in, launch python IDE, and plot some graphs for their homework. We are ...
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1answer
407 views

Cygwin X crashing on -multiwindow option

A shot in the dark, but can anyone point me in the right direction? Thought this might be similar to this bug ...
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5answers
2k views

Centos 6 x2go dependancy issues when trying to run yum update

I have tried to update x2goserver to the latest version on my CentOS server however I am getting a dependency issues now. From what I can tell it is looking for xorg-x11-fonts-core package. This ...
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2answers
244 views

shipping default xorg.conf file in ubuntu 12.04

With recent versions of Ubuntu, there's no /etc/X11/xorg.conf file being shipped anymore. That's good as long as you don't have a Nvidia graphics cards and you want to use multiple screens, in which ...
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1k views

Centos 6.3 on Hyper-v - startx xorg-X11 no /dev/fb0

I am running Centos 64-bit 6.3 on Hyper-V 2012. Logged in to the local console via the Hyper-V Virtual Machine Connection, I type startx but get the following failure and message: I do not have a ...
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2answers
103 views

Connecting to remote host via putty

I am getting the following error when i try to connect to a remote host. Can't connect to X11 Windows server using "0:0" as the value of the display variable. How do i get past it? Other info: I ...
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2answers
1k views

How to configure RHEL so users can access an app GUI remotely

I have an application installed in my RHEL6 box that has a GUI (AppGui.sh). My problem is that a few non-tech users would like to access this GUI remotely. I've tried several guides over the internet ...
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2answers
18k views

Can't Open Display - X11 Forwarding - Cent OS

Trying to access X11 my CentOS 6 x32 small Linode VPS through SSH Putty/Xming (enabled X11 forwarding on options). My windows machine is not the problem since it works with others CentOS Servers. ...
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1answer
131 views

linux ssh -X graphical applications will not start when system load is high

So I am using ssh -X to access a server. I am at a Xubuntu desktop accessing a Ubuntu server that is in the next room. Usually everything works fine, but when the system load gets high, any graphical ...
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How can I prevent the warning No xauth data; using fake authentication data for X11 forwarding?

Every time I initiate an ssh connection from my Mac to a Linux (Debian) I do get this warning: No xauth data; using fake authentication data for X11 forwarding. This also happens for tools that are ...
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1answer
767 views

x11vnc through SSH tunnel - sudo: no tty present and no askpass program specified

I'm trying to setup a one-time SSH tunnel which instantiates x11vnc on a logged-in display. ssh -f -t -L 5900:localhost:5900 user@10.1.10.1 'sudo /usr/bin/x11vnc -safer -once -nopw -display :0 -auth ...
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3answers
2k views

How can I launch a GUI session on a remote Ubuntu Desktop via SSH from a non-GUI Linux shell?

I am setting up a test environment, made up of various Linux boxes, and I have the need to launch an instance of Firefox on a remote machine via ssh. The remote machine has Ubuntu Desktop (11) and ...
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2answers
4k views

How to configure D-Bus and SSH X-Forwarding to prevent SSH from hanging on exit?

I am attempting to run various Gnome applications via X11 Forwarding and SSH. Some applications will cause the 'dbus-launch' application to be spawned first. The problem is that dbus-launch doesn't ...
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1answer
151 views

Xming fails to display Quartus II 9.0

Attempting to run Altera Quartus II (2) 9.0 on a remote RHEL5 Linux (2.6.18-308.1.1.el5 kernel 64-bit) box over a SSH connection via PuTTY 0.62 and a local Xming 6.9.0.31 X server running on Windows ...
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2k views

Problems opening Gedit using X11 in new Ubuntu installation

I've just installed Ubuntu 11.10 and created a new user (and added them to the sudo group). When I log in as the new user (not root) and try to open gedit I get the following error: ** ...
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1answer
78 views

X app over ssh server without X server

in ssh with ssh -CX user@remoteA I can launch a xterm and see in my local desktop. if I have a linux server (remoteA) without X server and a remote linux desktop (remoteB) with a X server. If I ...
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2answers
244 views

Removing “X Windows System” and Gnome using Puppet

I'm trying to remove unnecessary services like XWindows and Gnome on production RHEL/CentOS machines using Puppet (I don't get to install the OS). From what I can tell, "groupremove" isn't ...
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1answer
30 views

System for Information Screens in a Makerspace

(Not completely a programming thing, hence not on SO, but more system related so thought SF could help, sorry if I'm missing a better place) We've recently started a Maker/Hackerspace in Northern ...
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3answers
220 views

SSH - How to turn on X forwarding on normal connection

I know I can connect to a host and use window apps via running ssh -X <host>. But what if I'm already connected via normal ssh e.g., ssh <host>. Is there a way to turn X forwarding on ...
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3answers
228 views

Solutions for exporting a remote desktop app (display and audio)

I'm looking for a solution that will allow me to export a desktop app running on a server to a client machine. The server is ideally Linux, the desktop is Windows (+Mac for icing on the cake). The ...
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2answers
746 views

xorg.conf missing in Debian

I'm attempting to configure X on a headless server. I've installed the xorg, tightvnc, and fluxbox but /etc/X11/xorg.conf is missing. I've run xorg -configure and it gives fails giving the following ...
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1answer
923 views

Can I use Upstart to start a script which requires the user's X session?

I wrote a script which greps through the output of synclient to determine whether a laptop's touchpad has miraculously turned itself off (Ubuntu seems to /love/ doing this recently) and, if so, turns ...
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1k views

Linux equivalent to RDP and TS Gateway

Windows, TS and TS Gateway: A wonderful combination for remote working. How can you deliver a similar user experience with Linux as the server side platform? Ideally the clients would be Windows, but ...
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3answers
2k views

Will a remote X-Windows session run faster if I install a better video card in the remote server?

I don't know much about X-Windows. Sometimes I run a remote X-windows session to an HP DL380 host from my MacBook Pro on the same LAN. I'm using X11 forwarding with the ssh -X option. The X-Windows ...
6
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2answers
4k views

SSH-forwarded X11 display from Linux to Mac lost after some time

I have a new and vexing problem with ssh forwarding my X11 connection when logging in from a Mac (10.7.2) to Linux (Ubuntu 8.04). I have no trouble using ssh -X to log in to the remote machine and ...
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1answer
508 views

error while loading shared libraries: libXau.so.6

after restarting my machine, when I try connect with ssh I get this message : /usr/X11R6/bin/xauth: error while loading shared libraries: libXau.so.6: cannot open shared object file: No such file or ...
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2answers
1k views

Which is the best way, if possible, to maintain a remote X session that survives network outages, reboots etc

Even since I read the chapter about X in Unix Haters handbook I still thought that X was one of the things that make unix superior to Windows, since it makes it "possible" to work on machines remotely ...
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480 views

Trouble installing GTX 480 / Tesla 2050 Dual-GPU for CUDA

I recently installed a few dual-GPU CUDA workstations (two dual gtx480s and a dual gtx470) with no apparent trouble. I just tried a gtx480/ Tesla C2050 and not only does deviceQuery fail with a weird ...
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1answer
384 views

Cloud Linux with OpenGL acceleration?

We are thinking about launching some Linux server-side services which would greatly benefit of having real accelerated OpenGL available. Currently we are running normal server instances with Mesa ...
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1answer
3k views

How to find out the currently active linux virtual terminal while connected via ssh?

The situation is as follows. I have a multiuser desktop machine with Debian Linux 6.0 and an ATI videocard with one monitor connected. I have root access to it. There can be several KDE sessions ...
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1k views

Using X11 over SSH from a Mac

So here's my situation: I work for my school as a tech. One of our servers has a firewall problem and isn't accepting connections from outside the network. I tried to SSH into one of the servers that ...
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1answer
201 views

over ssh, After some minutes Gtk-WARNING

I connect to a server over ssh with ssh -CX server ok, And I launch remote graphical apps, ok. But after some minutes I get Gtk-WARNING **: cannot open display And I have to reset the ssh ...
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2answers
1k views

X11 Forwarding Works On One Host, “Can't Open Display” On Other [PUTTY/XMING]

I have two identical servers, server A and server B. If I connect to server A in Putty and enable X11 forwarding in the settings (running XMING on my PC), everything works fine. I can run all the test ...
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1answer
1k views

SSH X11 Forwarding XInputExtension missing

When trying to open a GUI-program on a SSH-Session with X11-Forwarding (both client and server have X11Forwarding activated) I get this error: Xlib: extension "XInputExtension" missing on display ...