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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X11 bad access at first try but working on successive tries

I use the following setup to forward X11 output from my local machine to the server. I will outline the setup: X11 server and the client are on the same local machine. The X11 server runs on my ...
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48 views

Keyboard shortcut for horizontal scrolling

Is there a utility I could use to scroll the active window horizontally using the keyboard?
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1answer
135 views

Remap keypad keys to modifiers

I did some research but I couldn't find a working solution: How can I make my keyboard buttons: KP_1, KP_2, KP_3 to work exactly the same as Shift_L, Alt_L and Control_L? I use Linux Mint 17 ...
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102 views

Fix X11 forwarding on OSX

I am looking for a way to fix/debug a X11 forwarding session on OSX. Here is my situation: From my mac I connect to a Ubuntu workstation with ssh -X (tried ssh -Y as well). X11 forwarding works ...
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13 views

Linux fullscreening video

So I can only fullscreen some certain sites' videos. Youtube works sometimes as does another (entertainment) site. Both are using Flash, I do not have YT set to use HTML5. Clicking fullscreen ...
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1answer
64 views

.Xresources font names

Many references describing the manipulation of bitmap font face and size for xterm via the ~/.Xresources config file suggest the use of an entry like XTerm.VT100.font: ...
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70 views

How does ssh work when client and host are on the same machine? [closed]

I illustrate my question with the help of docker containers but this example is orthogonal to the rest of the problem. In fact any program that allows the use of bridge interfaces and ssh would do. I ...
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1answer
27 views

X commands do not start from my at job

I'm learning about Linux scheduling commands including at, cron, sleep etc. I'm trying to launch gedit after x minutes via the at command. This is what I have: kedar@i5 ~ $ at now + 1 minute at now + ...
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2answers
356 views

X does not load after debian upgrade [closed]

After upgrading to "jessie" (debian 8) from stable (debian 7), the system hangs at a blank screen (displaying only an underscore at the top left corner), but otherwise displays no error message to ...
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96 views

Tuning keyboard (dead key) functionality in X

My preferred keyboard configuration is US-International. When I use it on MS-Windows and type certain special characters (i.e., ~ ' ") followed by a, o n I get á ó or ñ as I wish. However when I type ...
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1answer
246 views

unable to open X server with ImageMagick Mac osx

I am trying to display an image using the following: Display someimage.jpeg It returns this: display: unable to open X server `' @ error/display.c/DisplayImageCommand/426. I have been looking at ...
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4answers
102 views

What is X Window System? [closed]

I am new to the Linux environment and really got confused with “X Window system”. So can anyone please tell me what X Window System is and what it is used for?
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1answer
199 views

How to start GUI application with upstart?

I have struggled with this problem for three days and I have tried many ways to solve it but not successful yet. I hope you guys can help me... I have an GUI application. I want to start this ...
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113 views

Is there any way to resize scale application GUI window?

Is there any way to run an application scaling its GUI window? (Well, I'm using MATE but hope for universal solution). For example, up scale small window of an old game running under wine on ...
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1answer
372 views

How can I get 1080p to work on my TV with HDMI using xrandr?

I'm using Arch Linux on a small HTPC called an Xtreamer, which has an Nvidia GT218/ION graphics card and HDMI out. My television is an Orion DL40-71BK (manual, note everything's in Japanese). HDMI ...
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308 views

.Xauthority file is empty

I have been trying to ssh -X to my cluster running OpenSUSE 11.2. It used to work well for me. But now I get this message: X11 connection rejected because of wrong authentication. Failed to open the ...
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69 views

X11 Path Issues and Confusion for Installed Packages

I am using GMT (generic mapping tools) and SAC (Seismic Analysis Code), and each use X11 (or XQuartz on 10.9.4 Mavericks) to display graphics. When I want to display postscript using ghostview, I get ...
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31 views

Chrome loses Compose sequences whose last character uses Shift

In Chrome 35.0.1916.153 or 36.0.1985.125, sometimes, my Compose key partially doesn't work. As far as I can tell, combinations whose last character uses the Shift key that don't work. For example, ...
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1answer
26 views

XFCE: image as whole applications menu button, not just icon

This is what I want for my applications menu, the whole thing, not just the icon that should sit behind the optional text: What I get when I change the icon is: But what I want is this (edited ...
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1answer
49 views

X11 Issues running with Terminal.app

I am trying to figure out why I can't use ghostscript or ghostview (or any other X11 applications) when I try to call them in the Terminal. I am using bash, and I also used Fink to get the packages I ...
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47 views

Using X11 Displays through Terminal.app commands : generic mapping tools

I am trying to figure out why I can't use ghostscript or ghostview (or any other X11 applications) when I try to call them in the Terminal. I am using bash, and I also used Fink to get the packages I ...
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1answer
53 views

xpra attach failure

After entering the command to attach to an xpra session: xpra attach ssh:SERVERNAME:100 we get this response: connection lost: empty marker in read queue Connection lost What does it mean? We ...
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1answer
57 views

LXDE: How to run a program/command when I press one or more keys?

I have a numpad on my keyboard and I want to make the keys do something when (the otherwise useless) ScrollLock is on under LXDE graphical environment. For example, I want to run my browser when I ...
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1answer
140 views

Mapping a key to AltGr with KDE On Ubuntu

Is there a way to Assign AltGr to the right Win key? I'm Using KDE Workspace in Ubuntu 14.04.
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Typing punctuation adds an accent to the preceding letter after my laptop is docked for a few minutes

I am running Manjaro XFCE. Everything worked like a charm for months now, but 2 weeks ago the keyboard configuration from my external keyboard seems damaged. Writing on my laptop itself works ...
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1answer
79 views

adjusting keyboard sensitivity with kbdrate

The keyboard on my Laptop is too sensitive (when typing, I often type two characters instead of one). I have been googling and found kbdrate. But for some reason, kbdrate does not work properly: # ...
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1answer
303 views

In tmux session, cannot connect to X server after ssh'ing

At work, I have a desktop with a monitor and a few running tmux sessions. At home, I frequently ssh into that desktop and enter my running tmux sessions. When I ssh from home, I do not want to use ...
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81 views

Spawn login prompt in an X terminal

I have a system that runs a bash script when it starts (I use /etc/init.d/rc.local to execute it without needing to log in). For reasons I won't go in to here, I need to launch a graphical terminal ...
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47 views

How do I track why X11 keyboard shortcuts don't work?

I am on Arch Linux. I am completely stuck trying to figure out why some of the key combinations work on regular DELL 101 key usb keyboard in X11, but not on the mechanical gaming one. I have 2 ...
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3answers
122 views

How to kill all open windows?

I want to close all windows appearing on my desktop. I've thought to do this through pkill, but I could only manage to kill them one at a time, which is not what I want. The end goal is to put this ...
2
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1answer
33 views

Transfer X from monitor to remote machine

I want to remote login to another laptop to continue working on session left over. VNC is slow because it's bandwith hog. I know (or I think I know) that it's not latency, it's bandwith because the ...
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1answer
105 views

Terminal emulator for Android that supports viewing images?

I am planning on logging into my unix desktop via an Anroid tablet. Is there a terminal emulator that will allow me to view images, such as making plots in ipython, via X11 protocol?
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1answer
190 views

Copy image from clipboard to file

Is it possible to take an image from the clipboard and output it to a file (using X)? I can do this with text easily: $ xclip -selection c -o > file.text But when I try the above with an image ...
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1answer
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xkb - Keymaps at `/usr/share/X11/kbd/symbols` 2 values vs 4 values being specified

I am a noob when it comes to linux and xkb. Sorry if the question seems very obvious and stupid. I was checking the keymap found at /usr/share/x11/kbd/symbols and in particular, I was browsing the us ...
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1answer
156 views

Declare a new modifier key with XKB

I'm trying to create a one handed keyboard layout and want to use Hyper to produce special keys when I press some keys. For example, when I press Hyper_L and B, I want XKB to produce ...
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196 views

External VGA monitor port not working on HP Elitebook 2540p running RHEL 6.5

I'm running RHEL 6.5 on an HP EliteBook 2540p. When I connect the external VGA port to a projector or external monitor and press Fn+F3 to switch to the external port, nothing happens. Under System ...
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1answer
76 views

What is the difference between a windowing system and a window manager?

What is the difference between a windowing system (for example X11, Wayland) and a window manager (Awesome, Compiz, OpenBox)?
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1answer
487 views

Why X server runs on TTY1 and not TTY7 on Arch Linux?

I've used Debian derivates (*buntu, CrunchBang), Mandriva, OpenSuSE, Fedora, name it.. all of them had X server at TTY7 (at least I think it was 7), accessed with: Ctrl + Alt + F7 Now, I moved to ...
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81 views

Priority for “always on top” X windows

I have two windows on my Xfce desktop that need to be open all the time and they are set to always on top. They overlap each other, whenever I click on one of them, that's expected behaviour. Is ...
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2answers
60 views

Stuck pixel on X

Every couple of days, a pixel roughly in the center of my screen gets stuck on white. It can be unstuck by restarting X, or by logging out and back in. However it remains stuck when I call xrefresh. ...
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46 views

Cannot open GUI's via SSH connection? [duplicate]

I've just connected to a Linux terminal using an ssh client. I'm running Linux on both desktops, but cannot open PDFs, IDE, or other graphics from the ssh client. How can I fix this?
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2answers
165 views

Error when running X11 application as root

I get this wierd error when I run applications as root. **(gedit:630): WARNING **: could not open X display No protocol specified Unable to init server (gedit:630): Gtk-WARNING **: Cannot open ...
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1answer
57 views

Displays and their relative position in a shell script

I want to get information about the displays, something like xrandr, but with more info. I want to know their position. So if I have two or more displays connected I want to know how they are ...
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3answers
833 views

How to open a PDF file using PuTTY as a terminal?

I connected to a Linux system using the putty SSH client on my Windows PC. Now it's unable to open a PDF document in putty. The error message: gnome-open .pdf (gnome-open:4137): GConf-WARNING **: ...
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0answers
352 views

Unable to get NVidia 9600GT working with Kubuntu 14.04

Problem: Nvidia drivers are not loading Hardware: Dell T110 Graphics Card root@madeye:~# lspci | grep VGA 02:00.0 VGA compatible controller: NVIDIA Corporation G96 [GeForce 9500 GT] (rev a1) ...
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1answer
795 views

Trying to get firefox running on CentOS 6 minimal iso - can't open display

I've got minimal CentOS 6 running on an Oracle VirtualBox on a Mac. I'm trying to get Firefox up and running so I can download some web files into the VM. I installed Firefox (yum --enablerepo=remi ...
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1answer
136 views

How can i start a wine application at startup without login?

I want to start a wine application when system startup. However this app need a Xwindow environment. I could only launch it manually by hand now, so I have to login first then start the app. I have ...
5
votes
1answer
127 views

What's the difference between Primary Selection and Clipboard Buffer?

I am tweaking in Webkit-browser land in Linux and I come accross the terms "Primary Selection" and "Clipboard selection or buffer" very often. I want to understand what are they and what ...
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76 views

Screencast on a virtual monitor

is it possible to create virtual monitor (virtual area) and cast it to LAN? I would like to have something like external monitor, like Miracast, but not mirror. I think it is possible to create ...
3
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1answer
110 views

x11 connection established but magic-cookie value different?

From my local machine I ssh to a remote server along with authentication regarding X display. I know that in this process, MIT-MAGIC-COOKIES are used and the value in both server and client needs to ...