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12
votes
2answers
24k views

Is there a command to list all open displays on a machine?

When SSH'd locally into my computer (don't ask, it's a workaround), I can't start graphical applications without running: export DISPLAY=:0.0 If I run this first and then run a graphical ...
9
votes
1answer
481 views

Why need drivers for both x server and the linux kernel?

Can someone explain why two sets of drivers are needed, one in the Linux kernel and one in X? I understand that the device drivers are in the kernel, but what is the role of those in the xserver? ...
5
votes
3answers
2k views

How does X-server calculate DPI?

From Xfce Docs: In case you want to override the DPI (dots per inch) value calculated by the X-server, you can select the checkbox and use the spin box to specify the resolution to use when ...
4
votes
1answer
833 views

What is the max number of x-clients?

I am developing an x-server implementation, and I want to make it as similar to the current one as possible. I read through the documentation, but I couldn't find anything specific. In particular, ...
4
votes
1answer
234 views

How to remap a key combination to a key?

Is it possible to remap a key combination to a key in X server based system, so that for example if I press End + Arrow_up, keycode for Home is generated? Google seems to be silent on this issue. It ...
4
votes
1answer
155 views

vim stops sending text to * (X11) register?

I recently started using VcXsrv with the hope of being able to grab text from vim (console mode) to the Windows clipboard via X11 forwarding (and the * register). It works...to an extent. As soon as I ...
4
votes
0answers
233 views

Is it possible to use xsetroot and dwm to set the top and bottom bars at different time intervals?

I'm using dwm with the dualstatus patch. This adds a status bar on the bottom of the screen, in addition to the standard bar at the top. The text in each bar is set in ~/.xinitrc (for example) like ...
3
votes
2answers
183 views

Why .Xauthority needs not to be owned by the root account in order to get past login?

I've just got the same problem from here, and solved it using what was stated in the first answer (akonsu's one). However, I would love to know why ~/.Xauthority needs not to be owned by the root ...
3
votes
1answer
51 views

How to determine if X server runs with root privileges

This is a one-liner: Is there a way/command to check if the X server is run as root or as user? This was supposed to be a one-liner but alas... I recently upgraded my Arch Linux box. After the ...
3
votes
1answer
60 views

Can one disable tap-to-click in X server configuration without “InputClass” sections?

I want to configure my system so that tap-to-click is disabled on the touchpad. (It's running a rather old version of ALTLinux distro with xorg-server-1.4.2-alt10.M41.1.) I'm interested in a solution ...
3
votes
2answers
271 views

How do I screencap another Xorg display?

I started another x session from my current one like so: xinit xterm -- :128 An x session starts in display :128, xterm gets run in it and everything is fine. I switched back to screen :0 (the ...
3
votes
1answer
72 views

On Solaris 7 Box trying to get X Record Extension Library to work using x11vnc

Does Xsun support this extension? Im on a Solaris Sparc Ultra 2 SunOs 5.7. x11vnc version: 0.9.9
3
votes
1answer
256 views

How to prevent killing the X server with CTRL+C using bash traps?

On my Debian Wheezy system, I used to start my X session with the startx command. My .xinitrc file is: exec /usr/bin/awesome --config /home/cscs/.config/awesome/rc.lua >> ...
2
votes
2answers
14k views

stop Xserver in Xubuntu 11

I want to shutdown my X to be able to install proprietary NVidia driver, but I couldn't find out how. There are some suggestions that didn't work for me. I neither have /etc/init.d/gdm nor ...
2
votes
1answer
254 views

Can one disable tap-to-click in X server configuration, without synclient?

I want to configure my system so that tap-to-click is disabled on the touchpad. (It's running a rather old version of ALTLinux distro with xorg-server-1.4.2-alt10.M41.1.) The most popular advice I ...
2
votes
1answer
860 views

Arch modules not loading on start?

I keep getting errors on startup in Arch relating to my rc.conf: failed to load module "wl" failed to load module "lib80211" etc. It lists all the modules in my /etc/rc.conf This is my full ...
2
votes
2answers
31 views

Screenshots from multiple Xservers

I want to take screenshots simultaneously from multiple X servers on one desktop. I have multiple users logged in different terminals (tty1, tty2, tty3, tty4) who start multiple Xservers with startx ...
2
votes
3answers
3k views

How to Cygwin Xwin -query an Ubuntu 11.10 Xserver?

I am running Cygwin 1.7 on Win7 Pro x64, and I can query my Ubuntu 10.04 LTS server just fine. XWin.exe -clipboard -once -rootless -nodecoration -notrayicon -query $IP_ADDRESS I recently installed ...
2
votes
1answer
61 views

How do I monitor display :1 while I'm using display :0?

I am running X on two displays. :0 is my primary display but I also have some programs running on :1. Is there any GUI application that will let me monitor display :1 in a window that sits on display ...
2
votes
1answer
1k views

Installing KVM on CentOS 6.4 without GUI (yet)

I've installed CentOS 6.4 from the 'minimal' iso, so it doesn't come with a GUI. Will this question's answer allow me to install KVM, or do I need to install KDE or X-server or something first?
2
votes
1answer
234 views

Unable to host a server with Xpra, only connect to an existing one

I've downloaded and installed Xpra from their distribution hosted on winswitch. However, when I try to run it on my server I'm getting: This xpra install does not support starting local servers. ...
2
votes
1answer
2k views

Authenticating with x11vnc: what's the difference between -auth and -rfbauth?

I'm on xubuntu 11.10 trying to setup x11vnc server. I followed instructions here and I can connect to VNC server - but it never asks me for password! Is there a difference between these 2 options: ...
2
votes
2answers
433 views

How to close all apps before X-server goes down?

I'm using debian testing OS and openbox WM. Moreover, I start X-server via the .xinitrc file, which has the following content: xrdb /home/morfik/.Xresources exec ck-launch-session dbus-launch ...
2
votes
2answers
301 views

Simple LiveCD running only Xorg Server

I have a netbook without HDD, I think it could be useful for monitoring logs. Do someone know about a light LiveCD, running only a Xserver?
2
votes
2answers
883 views

NVIDIA driver upgrade failed

I downloaded the latest(331.49), tried to install, but failed. I compiled the kernel module and at the end of the installation it said that it went successful. But on bootup it said: version mismatch, ...
2
votes
0answers
149 views

Startx Segmentation fault error after installing VirtualGuest Additions for Virtualbox

I have been using my backtrack version 5 on the Virtualbox for some time now but I had a resolution problem and after searching found out I better install VirtualGuest additions. However after ...
2
votes
0answers
120 views

So the design of client-server separation is not the bottleneck of X Window?

In the answer of this, it mentioned: People also hear that X uses the "network" and think this is going to be a performance bottleneck. "Network" here means local UNIX domain socket, which has ...
2
votes
0answers
217 views

Xorg and Xserver not starting up after hibernate

I'm currently running Mint 14 on this computer, but it also previously happened with Fedora 16 so I'm guessing it's a general problem with my drivers. The display will not start up after the laptop ...
1
vote
1answer
949 views

Restarting X in CentOS 5

I went to a CentOS terminal, and someone was logged in doing work. I hit Ctrl+Alt+F2 to try to get to my own session so I could check something. When I hit Ctrl+Alt+F1 to get back, X did not come back ...
1
vote
2answers
1k views

How to use all buttons of SteelSeries Cataclysm MMO Gaming Mouse in Xorg (GNOME)?

I've a problem with my mouse on Gentoo. The normal buttons (left/right/wheel and previous/next) work, but the other buttons are not recognized by x. I tried in xev and using them does not do anything. ...
1
vote
1answer
20 views

Maintain Xserver applications running even after closing the remote conecction

We have a Ubuntu server (mainly a compute server), which does not have X-server installed on it. One can use something like Byobu or Screen to have programs running on the server even after the SSH ...
1
vote
2answers
2k views

Starting Qt Application On Startup for Embedded Linux

I'm trying to launch get a Qt application to launch after immediately after booting up. When booted, the Linux image does nothing more than launch an X server and a terminal. It also has the cron ...
1
vote
1answer
90 views

pipe Windows windows to Xserver on my linux host

Is it possible to pipe a native graphical Windows application to Xserver? I would like to run a virtual machine on my Linux host and access the application directly. (Something like the seamless ...
1
vote
2answers
1k views

Lost mouse pointer in XServer

Have tried many windows managers including TWM, xfce and Gnome, but my mouse pointer is gone. It is invisible, but it performs all the actions. If I do the right click the context menu opens and this ...
1
vote
1answer
13 views

Get report of the gui application processes

I want to list main applications processes report in this format ps -e -o pid,comm,pmem,pcpu,uname To filter main GUI applications wmctrl -pl is the only way I can get processes ids.its great if ...
1
vote
1answer
949 views

minimal X.org xserver installation on Debian Wheezy

I installed Debian Wheezy with no desktop environment as I would like to use lightweight dwm window manager instead. However, as a first step, I need to install xserver. I would like to install ...
1
vote
2answers
53 views

Will I utilize graphics hardware if I run X on the server?

Will I utilize graphics hardware if I run X on the server? If not, then what is it there for? E.g. Dell PowerEdge R210 II has integrated Matrox G200eW with 8MB memory on board, and some of the ...
1
vote
1answer
82 views

Debian Squeeze: hide xorg start messages

I have setup up my box so that it I automatically login as root via the command line interface. in bash.bashrc I have these commands: startx ./run.sh in the command line. Right before it starts the ...
1
vote
1answer
102 views

Access X-window and sound on laptop on another Unix

I read up a lot about forwarding x-server onto remote machines, but I feel like I'm too dumb to get it to work. Let me first explain my goal: I have a Rasberry Pi running archarm hooked up to a TV. ...
1
vote
2answers
3k views

How to attach to remote machine's local display session over ssh?

Scenario: Linux mint is running on a machine at my home. I have some gui applications open on it. I'm away from home but want to get at the open applications. I have cygwin/x and I know how to ssh ...
1
vote
1answer
225 views

Configuration for either detecting already running xsession or only auto-logging in once

My goal is an Arch based HTPC which on one tty runs XBMC and on another runs a minimalistic desktop (mainly for web browsing). I haven't yet started on the XBMC slice of the pie, but at the moment it ...
1
vote
2answers
31 views

What is “access control” with X Server?

What is an access control restriction with an X Server? There is the -ac option that "disable access control restrictions" with e.g. Xephyr. I saw some example using that option, but I have no idea ...
1
vote
2answers
598 views

How to change the default TTY after boot?

Normally when system starts you have all output printed on the TTY1, and that's ok, but I start X-server via startx and achieve this by the following lines in the ~/.profile file : if [[ $(tty) = ...
1
vote
1answer
472 views

Debian: Screen stays black occasionally during boot with Asus P8Z68-V Pro/Gen3

I'm running Debian Wheezy on a Asus P8Z68-V Pro/Gen3 mainboard. My graphics card is a Radeon 6850, I'm using the Open Source radeon drivers (xserver-xorg-video-radeon). During boot, my screen ...
1
vote
1answer
183 views

X Server Crash in Fedora 9

I have a motif based application that runs on Fedora 9. This application has a functionality that calls itself periodically to perform a task using SIGALRM signal. However the application seems to ...
1
vote
0answers
108 views

Installing XBMC and X server on FreeBSD

I couldn't find how to install X server and XBMC on FreeNAS. So without any opinion if it's good or not, what are the steps to do it?
1
vote
0answers
51 views

How to have X server on another graphics card which keeps refreshing when I'm working on my main display?

For presentations I want to use the external USB connected video adapter connected to the projector (especially as the standard VGA output in my laptop got damaged). My idea was to start a dedicated ...
1
vote
0answers
556 views

Debian 7 - Startx fails to start system

When I boot into the second primary boot loader, I get to the text based console to boot when I type 'startx'. The screen loads, and goes black for 10 seconds. Then when it loads a white screen ...
0
votes
1answer
283 views

Connecting to KVM on a GUI-less CentOS 6.4 using MobaXterm

I followed the directions at this question: Installing KVM on CentOS 6.4 without GUI (yet) But I'm not sure which feature (there are many!) of MobaXterm I should use to connect to the KVM. On the ...
0
votes
1answer
242 views

Can't open display: 192.168…

Recently I stumbled across the problem with remote X display (without ssh). I have two hosts 192.168.0.3 - which runs xclients 192.168.0.4 - which has xserver My configuration of lightdm.conf # ...