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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340 views

Disable ForwardX11Timeout without ForwardX11Trusted in OpenSSH Client?

By default, recent versions of OpenSSH automatically set ForwardX11Timeout to 20 minutes if you set ForwardX11Trusted to no. This means that 20 minutes after you start your ssh connection, you can't ...
3
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1answer
97 views

After upgrade, X button in titlebar no longer closes xterm

In theory, pressing the close button should close an xterm. It did before I did an aptitude upgrade. (I'm running Debian testing). But now it doesn't—clicking the X does nothing—but only for some ...
0
votes
1answer
82 views

Notify-send not working when run from apache [duplicate]

I have the following script (alert.sh) which has been setuid'd: DISPLAY=:0.0 notify-send --urgency=low -i python "The job has finished" and the following PHP file alert.php: <?php echo ...
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2answers
131 views

Doubts about creating a .Xresources file.

I want to customize the look and feel of my xterm and have read that the way to do it is creating a .Xresources file and saving there the desired configuration. I've also learned that this file can ...
6
votes
1answer
298 views

Remapping power key to delete

I have a macbook pro running Ubuntu 13.10 with FluxBox. Unfortunately, the power button is physically above the backspace where I would expect the delete key to be in. In OS X, the PowerKey program ...
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2answers
110 views

Running an app minimized on a system with a minimal X server

I run X on Ubuntu minimal using xinit. I now want to launch spotify in minimized mode as it's remotely controlled and I don't want it to be visible. I also thought about installing a small window ...
2
votes
1answer
91 views

Cron does not execute xinit command

I have a command that works perfectly when launched from the prompt: xinit /home/user/myscript.sh -- /usr/bin/Xvfb :1 -screen 0 1x1x8 But is not executed when put in crontab: @reboot xinit ...
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vote
1answer
200 views

How to mirror two screens / nvidia graphic pilot / LMDE / Macbook 2008

I'm using LMDE on a MacBook 2008; it works perfectly (and my MacBook runs much more faster than with Mac OS X) I have one problem: when I plug in an external display, I can't get the two displays to ...
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vote
1answer
117 views

How do I run this C program after starting X server?

The source for a program that automatically scales my laptop's keyboard brightness to its screen's brightness is given on the Arch wiki page for my laptop. I can compile it and when I run the program ...
3
votes
1answer
57 views

How do you make a star symbol with the compose key in Linux?

I know how to make a heart with this sequence: composeKey, <, 3 But how do you make a star ★?
6
votes
1answer
72 views

How to make a key simulate another key?

In my keyboard the I key doesn't work. So, I use an on-screen keyboard. I'm using Ubuntu 13.04. But its hectic. Is there a way so that I can make another key (for example Home on my keypad) to behave ...
3
votes
1answer
622 views

Launch a fake/minimal X session for Pulseaudio/dbus

I use Pulseaudio to share audio between a desktop and a Raspberry Pi. However, Pulseaudio needs dbus, and dbus needs an X session. Without graphical session, Pulseaudio is only able to run in system ...
2
votes
1answer
195 views

Change keyboard layout using Cyryllic character

I'm using Lubuntu 11.10. I tried the keyboard layout applet from lxpanel but it does not work and I don't know why. I can change the layout to Russian using $ setxkbmap ru and it works! Nice! ...
2
votes
1answer
332 views

Get screenshots of a Linux machine that I connect to remotely with PuTTY

My setup is this, I connected my Cent box via PuTTY on windows 7, I've Xming and using X11forwarding to have GNOME in windows. Now when I did gnome-screenshot in putty, I cannot have the CentOS ...
4
votes
2answers
372 views

Disable the external keyboard from a script

I have a udev rule for my external keyboard. I can catch events, and by running a script I can also reach udev env variables. Can I disable keyboard with udev? Or must I use a script to disable the ...
10
votes
1answer
351 views

Have you seen this cat?

I am of course referring to the 'screenmate' cat, Neko - looks like this: A few years ago, I remember Neko could follow my mouse cursor around, and was a helpful distraction from during long hours ...
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2answers
105 views

switch to an existing Terminal Emulator using command (wmctrl) or shortcut key

It's rather hard to do it. wmctrl needs to know the window title in order to operate on it, but it is damn hard to know the title of any terminal emulator, be it gnome-terminal, rxvt, xterm... ...
2
votes
1answer
52 views

Can't obtain the connected forms of some unicode grapheme clusters with combining diacritical marks

In Arabic and some other languages a character has two or three forms which will find its appropriate one automatically when you type a word (according to its previous and next characters). How can ...
0
votes
1answer
186 views

Running a Wine application from other user in openSUSE

diuban@linux-gnwf:~> gnomesu -u diub wine /home/diub/ed.exe wine: cannot find L"Z:\\home\\diub\\ed.exe" diuban@linux-gnwf:~> No protocol specified No protocol specified Application tried to ...
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0answers
383 views

Octave - warning: unable to open X11 DISPLAY

My setup is as follows: Octave 3.6.4 Mac OS X Mavericks 2009 Macbook Pro I'm trying to run Octave in Terminal, with gnuplot. I'm trying to plot matrices in a graph, as part of an online Coursera ...
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vote
1answer
139 views

How do I set the tty that GDM spawns on?

On my computer (under Arch Linux), GDM is spawning on tty1 while I would like it to spawn on tty7. Is there any way to do that?
2
votes
1answer
346 views

My ~/.Xresources is disabling gtk antialiasing

When booting into my window manage (xmonad), gtk fonts are anti-aliased, but for some reason urxvt has problems with variable names in my ~/.Xdefaults (it fails to parse the variable names as colors ...
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votes
3answers
380 views

HTML client for X11 ssh forwarding?

Not totally sure if this is the right place but here goes. I understand that you are able to use X11 to ssh to GUI's and view them, without the server having a full on GUI system running/installed ...
2
votes
1answer
91 views

CapsLock as modifier key for application keymaps

I am developer and currently I am using Ubuntu Linux with PyCharm IDE for development of website. In order to improve typing performance I consider change CapsLock to Hyper_L and assign it to mod3 ...
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3answers
175 views

How to execute applications in existing X window from virtual console?

I run Debian Wheezy and have Xfce as my X-Window Manager on virtual console 7, which starts up automatically. Once I've logged on and I'm using the xfce interface, is it possible for me to press ...
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votes
2answers
126 views

Adding custom Compose key sequences

How can one add custom Compose-key sequences? I have googled quite a bit, but could not find an explanation. In particular, I would like to have: <Compose> + <Z> + <Z> = ℤ # ...
3
votes
1answer
72 views

How to maximize a window programmably in X Window?

I'm wondering if there is any commands or programs to make some window maximized in X Window? For example, what I imagine is something like this xmaximize -window *window_id*
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votes
2answers
313 views

How to set a custom keymap and make sure, that it is not overwritten by system?

I use custom keymap, that diffentiates between left and right Ctrl: remove control = Control_R clear mod3 add Mod3 = Control_R When I load it with xmodmap myxmap, it works only as long, as one of ...
3
votes
1answer
167 views

Invoking PolicyKit/polkit via xinit/startx?

I recently upgraded a minimal installation of Ubuntu (with no full-fledged DE) from precise to saucy and since doing so I'm no longer able to mount removable drives as a normal user. I googled a bit ...
4
votes
1answer
438 views

remove title bar of another program

I have developed a program with glut library and want to remove its title bar. Since its impossible to remove the title bar from glut library I have to use an external tool to remove its title bar. ...
1
vote
1answer
361 views

How do I make themes apply to windows as well as system elements?

I am using Linux Mint with Cinnamon. Whenever I install a theme, it changes the 'system' elements, like the menu and taskbar, but not the window borders or buttons or the like. I went on the 'Other ...
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votes
2answers
411 views

Finding error log related to specific crash in Ubuntu

Every time I try to start a specific program (Mathematica), my Ubuntu session crashes and I get thrown back to login screen. I want to find out 1) what is it exactly that crashes (probably X) and 2) ...
3
votes
1answer
86 views

Connecting to multiple XServers

I've got a simple xserver setup: Ubuntu workstation running xserver, to which a remote Beaglebone computer running linuxcnc is connecting. So I'm using the mouse, keyboard and screen of the ...
2
votes
1answer
63 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 ...
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vote
0answers
134 views

Configuring Caps Lock as modifier and layout switcher

I want to set the caps lock key working as a modifier (modkey) and layout switcher at the same time. I want Caps Lock to act as a modkey in awesome in different hotkey combinations, for example, ...
3
votes
1answer
455 views

How to run startx as non-root?

Recently, I switched from Ubuntu to Arch Linux. I've installed X11 as my Window System and KDE as my Desktop Environment. I've separate partition for /home, /var, / and /boot and they all mount at ...
3
votes
2answers
1k views

Make mouse movements scroll when the middle button is held down

In Windows, I'm used to clicking the center button and it offering a "fast scroll" option up or down. How can I get this behavior on Linux? It currently seems to use the back button upon center click ...
1
vote
1answer
61 views

Is it possible for a program to have its dedicated X display?

Can a program have its own dedicated X display, as though it can start the X display, set the screen size to match its own size and ensure that no other program can use that X display? Some VNC ...
6
votes
2answers
222 views

Is it possible to choose which X display a program instance should run on?

If there are multiple X Windows running on a system, is it possible get a program to run on a particular window? How would you identify the Window and get the program to run there? I'm assuming that ...
3
votes
1answer
188 views

xautolock: how to auto-unlock on user activity?

I need to run a script after a period of user inactivity. For that I use the wonderful program xautolock. Now, I also need to run another script when the activity is resumed (e.g. mouse is moved or a ...
0
votes
1answer
44 views

Text Data from X Client for usage in android app

Is it possible to write a program such that it can capture the data from an X Client to X server and extract only the Text data inside it? I have to port a legacy application to android and the ...
1
vote
1answer
440 views

Certain fonts missing from xlsfonts in Centos 6.4

I have a certain software on CentOS 6.4 that gave the following error: X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 45 (X_OpenFont) ...
0
votes
1answer
379 views

How can I set up multiseat/separate X sessions with gnome 3? [duplicate]

With classic Gnome, if one had two monitors, one could set up "separate X sessions" for each monitor. In this configuration, each monitor had a separate user login session and application windows ...
3
votes
2answers
167 views

How to make /etc/init.d script act like it's launched under X?

I'm trying to track down some quirkiness with a Java application that misbehaves when launched via a startup script in /etc/init.d , but runs fine when you open a GUI terminal window and run it ...
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vote
0answers
171 views

IBM AIX: How do I set up SSH X forwarding on an unprivileged user with no home?

Long story short: I have an AIX server where my user is unprivileged and has no home directory, and it is not easy to fix this because OS-level management of this server is outside of my jurisdiction. ...
3
votes
1answer
191 views

change fonts of applications in dwm

I'm currently using dwm 6.0 and I was wondering how I could change the font of programs like Firefox. I already changed the font given in the config.h and recompiled it but it didn't change anything. ...
3
votes
1answer
257 views

Open 2 instances of the same program

I have a SSH server running in my home computer, with X11Forwarding enabled. I would like to connect to my computer from another computer and run some graphical programs. The problem is, that if a ...
2
votes
1answer
58 views

Specify rows/columns of a fullscreen X terminal?

For presentations it would be convenient to have a X terminal which supports following workflow: make it fullscreen specify how many columns/rows should be displayed -> the terminal then ...
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votes
0answers
110 views

Xorg Setting checking from Command Line

How do I determined, whether Xorg is using Xinerama, DDC and Reduced Blanking ?? Just adding few options in Xorg.conf is sufficient ? If I have to check from command-line, then how can I check ...
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0answers
26 views

X11 fonts have gone - applications fall back to typewriter

After removing several packages, updating within Debian/Jessie, and rebooting, several applications (windows manager, Xfce4 panel, mail client, browser) fall back to typewriter; Sans/Regular seems to ...