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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Viewing a part of the screen in a window on Linux

I plan to make a presentation with a live demo using my wide screen Ubuntu 12.10 Laptop and a projector. My plan is to connect the projector as a second (small) display and put my slides and live-demo ...
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Need small distro without a desktop or windows manager, just to run a single graphical app [duplicate]

I am looking for some help on this from a linux expert. I am very novice when it comes to linux so I am hoping someone can help out. I need a small distro, that is stable. I don't need a full X ...
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61 views

Install specific version of X11 for xmonad?

I wanted to compile xmonad from source, so I checked out the code and ran the first command from the README. $ runhaskell Setup.lhs configure --user --prefix=$HOME Configuring xmonad-0.12... ...
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198 views

Use X over an intermediate machine

EDIT: I didn't setup my sshd_config file correctly on the WORK machine. Even though I uncommented the line X11Forwarding no, I didn't realize that it said "no" instead of yes. Since the default is ...
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1answer
4k views

dbus-launch terminated abnormally with the following error: No protocol specified

After a recent upgrade in my Arch Linux x64 system, I keep getting this warning message after installing or removing packages with pacman. (gconftool-2:5207): GConf-WARNING **: Client failed to ...
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525 views

Simulate x-screen?

I'm working in a koding terminal running ubuntu 13.04, and I'm trying to run an application that requires an x-screen (even to run in terminal mode). I am unable to connect with x11 forwarding, and ...
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1answer
62 views

How many XUSER's

I'm working on a script an I need to show how many people are logged into XServer. It was suggested that I look at the last part of the who command (N:N): user1 tty7 2013-10-10 12:14 (:0) ...
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1answer
2k views

Opening session via XDMCP to GDM

I have a RHEL6 server which we connect via XDMCP. If I start xdm (xdm &) it works but the login screen is the old xdm simple login and not gdm. Our RHEL5 servers connect to gdm just fine. The ...
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xmodmap hanging the system for 20 secs and not sticking

I edited the keyboard map using xmodmap as per https://wiki.archlinux.org/index.php/Xmodmap, and I have two problems: executing xmodmap ~/.Xmodmap completely hangs the system for 15-25secs, which ...
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1answer
99 views

How can I get information about my virtual desktops via the command line?

I'm curious how I can get information such as the dimensions of my desktop, which desktop is currently active, and what labels (if any) are set for my desktop enviornment (DE).
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Why temporary lockup of X? Diagnostic suggestions

Recently I have bveen experiencing some strange behavior from a machine. Occasionally X just locks up for a short time 3-5 minutes. Then resumes normal behavior. AFAICT while X locks up, the rest of ...
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1answer
111 views

US International Keyboard Layout not behaving as expected?

Perhaps my question is related to this one. I use to use the English US International Keyboard with Alt-Gr Dead Keys (as far as I remember. This layout allowed me to write é by pressing R-Alt+' and ...
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3answers
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Xft font specification in Rxvt: is it a client-side or server-side font?

I have a headless Gentoo box and would like to run X app on it but forward the display to a Cygwin Xorg server running on my Windows PC. It works but I am not sure in this case if I specify some ...
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1answer
3k views

How can I select all copy from vim and paste to other program e.g. mail client?

How can I do the following? Copy all text from vim and paste it to an external program e.g. mail Outlook? I tried +y and gg*yG but the paste does not work.
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1answer
103 views

Computing the visible area of a partly hidden window

I have to (scriptly) take screenshots of windows, some of which may be partially or fully hidden by other windows. Of course, in such a case the screenshot is useless, and I'd rather print a warning. ...
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2answers
363 views

Performance and limitations of using an X GUI remotely?

I don't really have any experience with X. It appears from what I read that X has always been built from the ground up to allow windows in the WM to be transmitting over the internet, without ...
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71 views

Make Compose not compose after certain key presses

On my laptop, I use the Win as a modifier. With the Fn key pressed, the key sends a different keysym and I use that as a Compose key. keycode 133 = Hyper_L keycode 134 = Multi_key add mod4 = Hyper_L ...
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373 views

How can I get X to autodetect monitor specifications again?

I'm running fc19 in 64 bit. After going through the horrible process of trying to install kmod-nvidia, akmod-nvidia, and the proprietary nvidia driver, in an attempt to get CUDA working, I have rolled ...
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265 views

VirtualBox Guest Additions causes problems with X server in Fedora 18. How to solve without reinstalling?

I've installed VirtualBox (and it's Guest Additions), and after updating the kernel to the latest and also updating VB accordingly, I can not boot normally . (X server doesn't start, but I can login ...
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1answer
824 views

Shortcut keys that are independent to keyboard layout

Is there a way to define an association of a particular physical key of the keyboard to some action, independently of the letter that this key is associated to in any layout? Example: In most ...
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1answer
189 views

Bandwidth improvements expected from switching to Wayland or Mir?

I was intrigued by this answer regarding why X is not scalable. I'm unable to find any specific speed comparisons between x forwarding on these different protocols. How much % gain in network speeds ...
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1answer
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Does the X windowing system suffer from scalability?

One of my professors was telling us about scalability problems, and said that the X protocol was a prime example of a not scalable protocol. Why is that? Is it because it is very hardware dependent? I ...
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1answer
161 views

Map a symbol to a specific key

I have the following problem: I use the intl variant of gb keyboard layout, i.e., what you get with: setxkbmap -layout gb -variant intl I use gmail in Firefox, and for some reason, the gmail ...
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1answer
166 views

How X (X Window) looks?

I am confused as when X is started, how it is visible on screen. Does a new Window appear or not? I am very confused! I booted, opened a shell terminal. Below I write regarding my local machine: ...
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How can I set mouse sensitivity, not just mouse acceleration?

I can't find a single desktop environment that supports setting both mouse acceleration AND mouse sensitivity. I don't want any mouse acceleration, but I want to increase the speed of my mouse. That ...
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1answer
566 views

Boot graphical application straight from Linux bootup (without verbose boot messages and desktop)

Is it possible to boot from minimum Linux core(Linux/Android) to an application (preferably created in interchangeable platform languages such as C# – Mono / GTK / Java / C) without any verbose ...
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1answer
414 views

Is there anyway to make vnc viewer function like Xming with allowing linux windows move freely about?

I have a vncserver set up on my remote machine and am using vnc viewer to interact with that machine. I am also used to doing the following: 1. Remote connecting to a machine with an ssh client like ...
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how to ssh -Y and then su - <another user> and still forward X applications to your local machine

it is easy enough to 'fetch' (ie draw locally) a remotely running linux application: If I ssh -Y to the remote machine and run an application, that application will surely enough pop up in my local ...
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1answer
2k views

How to detect which keyboard device is being used

I'm working on a computer with two keyboards and two users. They are using different layouts. The two keyboards are identical. Their device ID can be found easily with xinput, but when typing we can't ...
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104 views

X11 protocol recorder

I'm wondering if there is a tool (or a tool-set) to record every single X11 message received from the server, to post-render them in a movie. I think this could be very useful to create screen-cast: ...
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1answer
741 views

How to permanently disable the Insert key on Linux?

The Insert is located right next to Backspace. So when I am using Leafpad, Gedit, etc., I hit Insert by accident often, which causes the cursor to turn into a bold box which over-writes text as I ...
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How to use ( yumdownloader --resolve <package name> ) on ( yum -y groupinstall “Desktop” “Desktop Platform” “X Window System” “Fonts” )?

As soon as I finish installing "centos-minimal" from the minimal ISO file, I need to install the GUI desktop. for this I simply run, ifup eth0, and then I run: yum -y groupinstall "Desktop" "Desktop ...
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ssh X forwarding web browser flash

I have a question regarding ssh X forwarding. Specifically when it comes to forwarding X program i.e. some web browser client, for example Iceweasel. X Server <--(request to display Iceweasel ...
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3answers
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Installed fonts not showing up, Linux Mint 15 64bit

I'm trying to install these bitmap fonts: http://font.gohu.org/ I downloaded the compressed PCF files and extracted them to /usr/share/fonts, Then ran sudo fc-cache -fv. The fonts weren't showing up ...
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1answer
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cannot open display “default display” in Linux Mint 15

I have a really strange problem, i rebooted my laptop running Linux Mint 15 with XFCE and unexpectedly it doesn't show the login screen instead i see tty1. The strange part is, that i haven't changed ...
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How to set up the login screen to ask for keyboard layout

I just upgraded my distro, now it no longer has a menu to set the keyboard layout in the login screen (gdm). Previously a user could select there icon, then change the keyboard layout (it would also ...
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4answers
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How to send keystrokes (F5) from terminal to a process?

I'm using an Raspberry Pi in combination with Chromium (kiosk mode) to show up some stats. The Pi doesn't have an connected keyboard so I searched for a solution to send keystrokes from the terminal ...
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140 views

Configure third button of a 3M Ergonomic Mouse

I've just bought a 3M Ergonomic Mouse, model EM500GPL, and for pointer movement and left/right click it works fine. But I'd like to know if it's possible to configure the third button to behave the ...
5
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2answers
166 views

ssh tunnelling explanation

I have a question regarding ssh tunneling. I've read this article http://www.popcornfarmer.com/2009/01/ssh-tunneling-tutorial/ I would like to make X forwarding work and run some X applications ...
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1answer
241 views

Colon/Semicolon remapping with xmodmap with two active setxkbmap layouts

Gentlemen, I'm a non-native english speaker and need a second language layout. And I'm a heavy Vim user, and use : much more often than ;. At the moment they are remapped in .vimrc, buth that causes ...
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CTRL meta key 'sticky' in GUIs over X11 forwarding from CentOS to fedora

Despite numerous problems, I managed to get X11 forwarding working from a SSH server running on a CentOS host to a Fedora client (changing various settings and finally fixing it by installing a ...
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1answer
15k views

Disabling graphical login in Debian wheezy

I have installed Debian wheezy on my machine with a netinst image, now I would like to deactivate the desktop and boot straight to the command line, not only that but I would like to not waste any ...
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3answers
318 views

Is it possible to display a graphical application on another host/user [duplicate]

We have a small linux cluster ~12 computers and a similar number of users. Is it possible for a superuser to launch a graphical application - say firefox or even a python script on another machine ...
3
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1answer
290 views

A robust way to execute a command/run a script at login?

I have two commands that change keyboard behaviour: xset r rate 120 66 /usr/bin/setxkbmap -option "ctrl:nocaps" When I open a terminal and execute them, they change auto-repeat settings and remap ...
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1answer
320 views

WM-independent way to focus/raise URGENT window

I would like to have a keyboard shortcut to "go to" (focus + raise) window with URGENT flag set which looks like URGENT: it appears on the taskbar (Gnome + Metacity) even if it is on desktop other ...
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3answers
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Error `No protocol specified` when running from remote machine via ssh

I have a script, simply to run my Graphical (GUI) Application, as below. #cat gui.sh #!/bin/bash ./gui -display 127.0.0.1:0.0 When I run it from local machine (./gui.sh) it runs perfectly ...
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3answers
276 views

How can I blank the desktop via the command line?

I'm looking for a way to hide the entire desktop + icons and then launching a single app. It's for productivity usage, if that makes any sense. How can I programmatically make my desktop blank (i.e. ...
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2answers
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How to start a second X session?

I tried to do it with the command startx 1. It seemed to flicker to a different screen momentarily, but then exited. Got the following error: /usr/bin/xterm: No absolute path found for shell: :1 ...
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Is there a way to simulate a “Close” event on various windows using the terminal?

I answered on Ask Ubuntu Quit all instances of gnome-terminal via a command but as you all can read gnome-terminal didn't seems to have a SIGcall I could use to simulate this "Close" event. So this ...
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How to assign shell command to key?

I want to assign my script to special key on my keyboard. xmodmap recognize this key as XF86AudioMute, but I want to execute my script when it pressed. How to do it? My window manager is Window ...