The X window system (commonly X Window System or X11, based on its current major version being 11) is a computer software system and network protocol that provides a basis for graphical user interfaces (GUI) for networked computers.

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ffmpeg is killed

So I have a problem here. I have a session of ffmpeg -f x11grab running, and suddenly kill -9 or Ctrl+Alt+Backspace comes and GUI dies of course. So far everything seems to be OK. When I try to play ...
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22 views

a windows manager does not interface with X Window System [on hold]

i want to get the most out of my hand me down Lenovo Thinkpad. in particular i want a fast and light desktop environment. so i was thinking of ditching X Window System altogether. i've chosen Wayland ...
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21 views

Run Cygwin software on Linux

My professor has some software that he wrote that runs on Unix-like systems. Either on Windows via Cygwin or on MacOS, it uses X11 on both platforms. Is there any way for me to run it on Linux? He ...
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13 views

Guidence on writing a system tray daemon

I'm using openbox and I want to write a pipemenu to serve as a system tray. For this, I need some kind of a way to access the information on which applications are registered with the system tray and ...
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20 views

How do I make Debian start with IceWM-lite by default at startup?

On a Debian box, I have installed IceWM and IceWM-lite, I'd like it to boot with IceWM-lite by default. So far I have done this through the desktop menu after each boot.
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60 views

How do I exit the window manager on the current X display?

Let's say I have the window manager Blackbox running on two different X displays, e.g. :0.0 and :1.0 launched from tty1 and tty2 respectively. From a terminal (emulator), how do I exit (kill) the ...
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2answers
9 views

Run full kde desktop remotely on another Linux box?

I have two identical Linux boxes, A and B, both have KDE installed. Sitting in front of the screen of A, I'd like to have B's full KDE desktop appear on A's screen, using X11 (not VNC). Presumably ...
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13 views

How do x-compile and install X11 on ARM?

I have FriendlyARM mini210s with bare linux 3.0.8 armv7l. I'd like to install X11 (X-Window System) on top of it. How do I proceed? Is there any ready to use package (tarball to extract onto my ...
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20 views

Xauthority problem

User1 has his home directory on NFS that's mounted by machine1 and machine2, both of which are running Redhat 6.4. If I ssh -Y user1@machine1 and run gedit, I get "X11 connection rejected because of ...
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org.freedesktop.consolekit launch failed error 127

I have an old Dell laptop that I've been running Crunchbang 11 x64 from a thumbdrive. The hard drive is dead, but I'm it's been pretty useful, running a Plex server, etc. I'm currently having ...
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1answer
24 views

Understanding ssh X11 forwarding

I have a rather odd setup I'm trying to get working. I have an Ubuntu install running in a container (through Proxmox). The host computer is CentOS. Neither server is running an X instance. My host ...
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5 views

Java Focres X11 Window Server to Restart

I'm using OpenSUSE 13.2 with openjdk 1.8 and GNOME 3.14 desktop environemnt. Sometimes when I'm using a java GUI application (Swing) the XServer restarts. It just restarts. I don't know why, or what ...
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20 views

How to capture a keyboard shortcut

I need a script, that will run in terminal (under X11), and wait for a keyboard shortcut (happening anywhere in the desktop environment), once that shortcut (or key press sequence) happens, it will ...
2
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1answer
12 views

Xmodmap syntax for rebining shift+up

I would like to rebind some keys on Linux via Xmodmap. Left and up cursor on my Acer (yes, I know) laptop have broke. I would like to map shift+down to up, and shift+right to left. Struggling to ...
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31 views

Finding certain X window with Python's Xlib

I am trying to find an unmapped window on my X server in order to map it back and send it some EWMH hint. Because the window is unmapped I cannot use EWMH to ask the window manager directly. So I am ...
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1answer
62 views

Force English layout for the «Compose» key pressed

I like using Compose key. The problem is that large part of my text being typed in non-english layout. This means that some symbols messed up, and most isn't even present (i.e. latin characters). ...
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1answer
30 views

using script function rather than keyboard input

I'm writing a shell script to change a user's password. I tried to use the passwd command, but that command always asks for the old and new passwords to be typed; it won't accept them from my script. ...
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1answer
62 views

Change the status of the keyboard leds, from within an X session, without root access

I am trying to force the capslock led on. xset does not work for me, so I am trying to use setleds. In a graphical console, this command returns: > LANG=C setleds -L +caps KDGKBLED: Inappropriate ...
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2answers
34 views

Change icon for an application form command line?

Is there a way to change the icon of an application's window from the command line? For instance, I'd like to have separate icons for Firefox windows under different profiles (different processes), ...
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1answer
1k views

Can another program on X capture my root password while I type it in a virtual terminal?

Usually I only install open source programs on my linux box because I don't trust closed source applications. Recently I had to use Dropbox for a university project. I created a separate linux account ...
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30 views

Best way to connect to all X displays

In a C or C++ program, what is the best way to connect to all X displays on a computer? I would like to check the X idle time of each display, to determine whether the computer is idle across all ...
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29 views

Logitech G600 mouse issues

I have a problem with my Linux: I plugged an additional hard drive into my computer to finally install linux also on my gaming PC since its way faster. I'm using a Logitech G600 mouse and whenever I ...
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2answers
240 views

how is a keyboard shortcut given to the correct program?

in Ubuntu (or for that matter most other linux distros), I could use the shortcut ctrl+t to open a new tab (in firefox or similar), or I could use alt+tab to make unity switch highlighted window, or I ...
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1answer
77 views

Forwarding X11 not working - Error: Can't open display: localhost:11.0

LM 17 Xfce OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 Despite googling everywhere, I cannot seem to get this to work. I keep getting this error. $ xlogo Error: Can't open display: localhost:10.0 I have tried ...
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22 views

Capture timestamped X mouse events, and render a video with custom mouse pointer?

I am typically using recordmydesktop to record some application interaction; however, on my system, recordmydesktop always shows the same mouse pointer/cursor (the arrow) - regardless if, in reality, ...
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2answers
34 views

'Present' terminal window on shell/executable command?

Currently using Xfce and xfce4-terminal, but suggestions involving other Linux-based systems may still be helpful. I start a longish-running program in a terminal window, then alt-tab away and do ...
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1answer
57 views

Why does Shift+Insert paste from CLIPBOARD in some applications and PRIMARY in others?

How do I paste from the PRIMARY selection (eg. mouse-selected text) with a keyboard shortcut? Shift+Insert inconsistently pastes from PRIMARY or CLIPBOARD, depending on the application. Background: ...
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24 views

What is the difference between X11 keymapping and virtual console keymapping

In linux we have X11 which governors keyboard layouts but sadly any changes made there don't affect the system as a whole so in a tty you are left with standard qwerty no matter what your X11 ...
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1answer
70 views

Run a script that displays an X window from an udev rule

I found several questions on http://unix.stackexchange.com & on http://stackoverflow.com related to launch script by udev rules. But I can't find exact solution or certain answer for executing ...
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22 views

How do I remove a particular default xterm X11 translation?

I'm using xterm which comes with a set of default translations as enumerated in the man page. To #augment or #override the translations I edit my $XAPPLRESDIR/XTerm file; this works as expected. ...
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1answer
67 views

Can't access virtual terminals after manually starting an X server

I'm working on a display manager. When an X server is already started, my display manager works fine and is able to log in a user. However, in order for it to be a proper display manager, it needs to ...
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25 views

vnc: unable to get a shell prompt with the default opened terminal application

i am setting up a vnc server (vnc4server on mint) and i have a default xstartup file in ~/.vnc. i am using twm window manager. when i connect to the vnc server, i can authenticate successfully and see ...
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1answer
175 views

Can an X video driver be restarted/reinitialized without loosing the session?

Have been experiencing problems with my laptop display usually brought on by interacting with graphics images in chromium web browser. When it happens the display goes haywire as if the horizontal and ...
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1answer
30 views

Cross linux method to detect screensaver or locked screen running

I'm looking for a cross linux method to detect if screensaver (both XScrenSaver and non-XSCreenSaver) is running or if locked screen is up. Bash or c method would be awesome. Can you please help me ...
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64 views

Clone monitor on HDMI without changing laptop display resolution

My laptop's display has native resolution of 1366x768, and I connect it to my TV which has 1920x1080i. My problem is that the only supported resolution for cloning is 640x480, which happens to be the ...
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21 views

Method to convert simultaneous key chord / letter key combo into another key?

I'm looking for a method to make simultaneous key presses trigger another, e.g. for the keys W, E, F, pressed simultaneously, to trigger another key press, say, Ctrl+Alt+Esc. My ultimate goal (in ...
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0answers
25 views

Make mouse side buttons trigger virtual keys

I have a mouse with two side buttons. I've posted the output from xev and evtest for both buttons: xev EnterNotify event, serial 37, synthetic NO, window 0x4600001, root 0x306, subw 0x0, time ...
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14 views

Accessing xfig from x11 fails

I am trying to get access to xfig from x11 on my mac to draw some diagrams and including them in latex, but it shows the following error bash-3.2$ xfig dyld: Library not loaded: ...
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1answer
53 views

xset not having any effect in my .xsessionrc file

I need to set some trackpoint settings automatically. I don't know the best file in which to place these commands, but I used .xsessionrc. The commands are properly executed (I can verify that by ...
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61 views

Does X11 still have a hardcoded limit for application resource strings?

The xterm(1) manual page states: Due to a hardcoded limit in the X libraries on the total number of resources (to 400), the resources for 256-colors are omitted when wide-character support and ...
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1answer
33 views

X0 does not exist in the directory

winecfg connect /tmp/.X11-unix/X0: No such file or directory Application tried to create a window, but no driver could be loaded. Make sure that your X server is running and that $DISPLAY is set ...
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1answer
39 views

Rhel 7 not booting up

I recently installed rhel 7 on my laptop as dual boot (with windows 8.1) in UEFI mode. After the installation I cannot log into redhat. The gnome desktop starts to load and then it goes to a black ...
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1answer
43 views

GUI running without $XAUTHORITY being defined, but not for root

I'm using CentOS 6, with Xfce as a desktop environment and have switched to xdm from gdm as a display manager. However, after making this change, I am observing a very strange oddity: graphical ...
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0answers
25 views

Import Image from X11 Screen dosent work in linux

A long story in short, trying to automate an ISO setup/installation process In server(SLES11 SP2) running the installation scripts and virtualbox also installed in the same server. using rdesktop to ...
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2answers
19 views

Is there a way to use a PT_BR locale in an English installation of Debian?

I'm Brazilian but when I installed Debian on my machine I set the language to English (US). I prefer to keep my menus and error messages in English because they are more googable (and the translations ...
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27 views

How to install Afterstep on ubuntu?

I'm using Ubuntu 14.04 LTS and I'd like to install Afterstep. I'm quite new in Unix don't know how to compile. Please help if you can.
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1answer
17 views

Change X server configuration at runtime

Environment: NVidia video card with NVidia drivers. Debian 8. Multiple monitors I currently have 2 screens connected to my computer. Usually (while working) I like to use both. Sometimes (while ...
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10 views

Which activity/program prevents my monitor from going off?

I can set my monitor off with xset dpms force off but something prevents KDE from setting it off. On the other hand, when I play a long youtube video it might go off (!). This correctly happens after ...
3
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1answer
171 views

Counting windows

Is there a command to get the number of (visible or iconified) X11 windows? The command $ xwininfo -children -root returns a long list of windows but most of them are neither visible nor iconified. ...
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1answer
66 views

Run a GUI application in background and reconnect later [duplicate]

Is there a way to run a Gui application (X11) in background so that if I disconnect, I can resume the running app again? I am using SmarTTY on windows to connect to remote CentOS. When I run a Gui ...