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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Rewind X server display

This occurred to me playing some games where there is no live rewind feature. Basically what I'm looking for is an application which records the screen, and - when pressing a shortcut - rewinds what ...
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1answer
25 views

Can't enter capital letters using shift key

In some applications entering capital letters works like hitting ESC key. Reproducing: Open LibreOffice document Select "Save as" (Unity dialog) Hit "Create folder" Enter a capital letter using ...
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2answers
78 views

Run an app with a window manager behind in a separate X server

I want to launch an app in a separate X server. It needs a window manager behind it, though. I created a script #!/bin/sh x-window-manager & my-gui-app and launched it with xinit ...
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1answer
3k views

How do keyboard input and text output work?

Suppose I press the A key in a text editor and this inserts the character a in the document and displays it on the screen. I know the editor application isn't directly communicating with the hardware ...
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1answer
11 views

invalid MIT-MAGIC-COOKIE-1 error whenever computer falls asleep

Whenever my laptop falls asleep and is woken up (Lenovo Thinkpad X1 Carbon Gen 3), certain applications will no longer run. For example, when trying to launch dmenu or google-chrome-stable (XMonad ...
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1answer
14 views

Remove formatting from copy/paste buffer

Whenever I copy any text via X11's copy/paste feature, I would like all formatting to be removed. I waste time daily dumping the text into a terminal, then copying again. Is this possible?
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30 views

How to programatically control X11 forwarded apps?

I'd like to set-up X11 Forwarding to run remote X applications on the server and X11 client can handle the UX interaction. However I would like to configure the X11 client or fake it to actual do the ...
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1answer
220 views

Fedora VNC problem- getting a grey screen with three checkboxes

I have set up VNC using this guide, however, despite all my efforts, I can't seem to progress beyond this stage: with three checkboxes saying "Accept Clipboard from Viewers", "Send Clipboard to ...
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24 views

Middle mouse button behaviour in Iceweasel (FireFox): paste at *text* cursor

In Iceweasel under Gnome on Debian Jessie, the middle mouse button exhibits the following behaviour: If clicked on a hyperlink, it opens the link in a new tab. If clicked anywhere in an editable ...
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1answer
40 views

Create an ARGB struct for C header from a PNG

I need to update a logo bitmap to an updated logo. The existing code uses a C header which is loaded via XChangeProperty. I have looked into imagemagick and the Gimp in order to convert the updated ...
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20 views

How to see “xterm” fonts larger on HIDPI displays?

After several years of happy usage of different terminal emulators like Konsole, Gnome-TERMINAL, and lately XFCE Terminal in their appropriate desktop environments, I decided to use good old xterm ...
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1answer
38 views

How do I run X11 applications over ssh from a Gentoo server that does not have a GUI installed (with minimal added software)?

Currently I am renting a VPS from VPS.net running Gentoo. How can I run "X11" applications remotely without installing a full GUI on the VPS. What is the minimum pieces of "X11" I would have to ...
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40 views

Patching X11 to remove SELECTION clipboard

How would I patch the X11 source to disable or remove the SELECTION clipboard?
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1answer
16 views

Play videos in a different screen without showing desktop environment and cursor interactions in Gnome

I'm editing videos for a live music event. There's a video for each song. I'll have a projector and each song will have a video playing in a big screen behind the artists. I have the length for each ...
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31 views

Why does my window manager (stumpwm) show a cross on the mouse pointer when it is over the root window?

My mouse pointer turns into a cross when there are no elements under it other than the root window. I've been having this issue with stumpwm since I installed it, but I know that a cross over the root ...
2
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20 views

EDID - help to detect proper DPI and refresh rate values

I just tried to extract EDID file data with read-edid util; The thing is the output shows : $sudo get-edid | decode-edid ... Manufacturer: AUO Model 20ec Serial Number 0 Made week 0 of 2013 EDID ...
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24 views

X will not start, Centos 7

I installed X/X11 and proceeded to install DWM on my X220. However, X does not start and I am having trouble figuring out why. I have posted the /var/log/Xorg.0.log file here: ...
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2answers
232 views

How to pop up “hidden” X application

This is on a RHEL6 system using GNOME (but it happens on Debian as well). I use an application called xchat and if you hide it using the icon in the notification area (as opposed to minimizing using ...
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3answers
4k views

How can I customize the look of Thunderbird's mailbox list, message list, and headers?

Mozilla Thunderbird's message list, mailbox list, and headers use a font size that is so large, I can barely see any content in the message preview pane. I'd like to reduce these to 10px, and reduce ...
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24 views

Problems after mapping Alt_R to Control [closed]

I have mapped by Alt_R to Control. My Control_R is also mapped to Control. Alt_L remains as Alt (Mod1). I used xkbcomp :0 keyboard.xkb to dump the current configuration file. In that file, in the ...
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9 views

Running supertuxkart in a separate X server doesn't work as expected

I tried to run supertuxkart in a separate X server (to be able to access my desktop) I ran xinit supertuxkart -- :1 The game launches, but there's no cursor. What am I doing wrong? Running ...
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1answer
17 views

X11Fowarding not working on Arch Linux ARM

I am trying to setup X11Forwarding between my Arch Linux ARM server and my OSX computer. I am accessing the server locally (always). /etc/ssh/ssh_config: X11Forwarding yes AddressFamily any ...
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1answer
16 views

Run a command when logging in with xmonad

I have a simple script that I want to run every time x starts up. #! /bin/sh /home/kevin/.dropbox-dist/dropboxd & I have run chmod 755 on it, so it's fully executable. And it just will. not. ...
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1answer
15 views

How to remap keycodes (not symbols)?

Using XKB I can change the symbol for the TAB key: key <TAB> { type= "ONE_LEVEL", symbols[Group1]= [ Overlay1_Enable ] }; However, Google Chrome detects keycode 23 (aka <TAB>) ...
2
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1answer
683 views

Directx application using wine over ssh -x

I'm trying to run a Windows app (Artemis video game - server mode) on my archlinux server. As it is an windows application I have to run it using Wine. As I'd like to be able to launch the server ...
2
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1answer
112 views

Can I scale my HiDPI laptop display while leaving my external display unchanged?

I have a Chromebook Pixel 2, which has a HiDPI screen. My external monitor has the same resolution in width, but only about half the pixel density. I use Gnome's scaling settings to make things look ...
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11 views

DDvorak layout, but QWERTY with Ctrl or Alt modifiers

I comfortably type a keyboard layout named Light Developer's Dvorak, further customized (negligibly) for myself. I don't know how to modify the commands so that pressing Ctrl, Alt, etc. will read the ...
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1answer
73 views

How Are Keys or Keycodes Mapped to X Key Symbols?

I am trying to map a function key combination to an XF86 key symbol. The key combination is Fn+F1, which I was able to use showkey to get the raw keycode for. jason@io ~ $ showkey kb mode was RAW [ ...
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1answer
2k views

Keyboard layout changed. How and why?

Yesterday, I upgraded my kernel (to 3.5.0-19-generic), rebooted, and had to reinstall my video drivers to get full resolution. (After upgrading the kernel, the resolution always goes to 640x480, until ...
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14 views

X, mouse, and multihead: mouse only reaches part of second display

I'm running my laptop with an external monitor. The laptop's built in monitor and the external monitor have wildly different DPI, so I scale the external monitor to match the DPI of the internal one: ...
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1answer
679 views

Resolving circular dependency hell for libX11 and libXi

I'm trying to install X11 from source. Source files from some repository: libX11-1.6.0.tar.gz libXi-1.7.1.901.tar.gz libX11-1.6.0 paulk@node005:libX11-1.6.0$ ./configure --prefix=$HOME/software ...
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3answers
901 views

Arch linux: set keyboard layout to PL

I'm unsuccessfully trying to force my Arch to set pl layout on X start. I've googled for solutions, and I found couple of tutorials/tips but none of them works. My current, keyboard related ...
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42 views

Remote X11 applications have wrong keyboard mappings (local: OSX, remote: Linux)

I am connecting from a Mac (with OSX 10.6) to a Linux machine (with CentOS 6.6) by using the ssh command (ssh -X). On the Mac side, I am using the Terminal app. After logging into Linux, I can use ...
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1answer
14 views

Access display from network namespace

I have several network namespaces in my Fedora 21 VM. How can I access display from whithin the network namespace? # ip netns exec n1 xlogo Error: Can't open display: localhost:10.0
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14 views

Can not change vnc resolution using xrandr

Host System: RHEL 6.6 with realvnc-vnc-server-5.1.0.15125-1.x86_64 Client: TightVNC 2.7.10 for Windows (which I am connected to via a SunRay station but I don't think that matters) I can connect to ...
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3answers
4k views

Copy file to xclip and paste to Firefox

I'm coping file to xclip cat file.txt | xclip I'm pasting without problem with xclip -o When I want to paste it to Firefox with Ctrl+V it pastes old text (that shouldn't already be in the ...
2
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1answer
920 views

Forcing font size based on language in .fonts.conf

I can specify the default font family used to display a particular language in X by editing .fonts.conf in my user directory (or editing the global /etc/fonts/fonts.conf). However, I've not been able ...
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20 views

Drag-and-drop without the drag

I sometimes need to drag-and-drop files onto an application. (Example — but my question here is not installing Chrome userscripts.) One solution is to use Dragbox, which opens a window from which I ...
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2answers
216 views

Middle-click scrolling with ThinkPad/avoid pasting

I have a ThinkPad USB keyboard, and I want to be able to use the middle click both for pasting and scrolling. This works on my ThinkPad laptop. On the laptop, if the middle click button is held for ...
1
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1answer
835 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) ...
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1answer
38 views

Why am I getting this message from xauth: “timeout in locking authority file /home/<user>/.Xauthority”?

While attempting to SSH into a host I received the following message from xauth: /usr/bin/xauth: timeout in locking authority file /home/sam/.Xauthority NOTE: I was trying to remote display an ...
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1answer
34 views

`xdotool` does not send keys

I am trying to send keystrokes via xdotool. However, sending does not work properly. Below is the log of a script that should select all the text in Gedit and copy it (but it does nothing instead), ...
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0answers
22 views

How can I tell whether or not I am in a text area?

I am running a Window Manager and am soon getting a Thinkpad x220 tablet. I was hoping to make the tablet a little more functional by having an on-screen keyboard, and I have set it up so I can ...
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60 views

GDM: Force TimedLogin user to login in specific XSession

I'm using openSUSE 13.2 (GNOME) on an old laptop connected to the TV as a Kodi Media Centre and backup computer. I would like to boot into Kodi without skipping the display manager completely in case ...
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1answer
224 views

How do I configure lynx to pass images to xloadimage, xv or zvg?

I know that it's possible to configure lynx to pass images (PNG/GIF/JPEG/JPG) to xloadimage, xv or zvg and I've looked online (Description of lynx configuration; Use lynx with browser image support ; ...
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16 views

Asking a GUI application to select all the text

Can an external program ask a GUI application (for example: Gedit, Firefox) to select all the text of the active widget? -- EDIT: I am looking for the equivalent of pressing Control+A, because ...
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23 views

Correctly shutting down the computer from an X session

I run Debian 8.1 with the window manager Blackbox. The window manager is started from ~/.xinitrc, and when the X session is done some cleanup commands are invoked: dbus-launch --exit-with-session ...
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1answer
2k 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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0answers
10 views

Disabling text entry box autoselect?

I've got a bunch of GUI applications which try to be 'helpful' by automatically selecting text in a text box when the text box gets focus. (The main culprit being my web browser.) This is not ...
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0answers
20 views

How to get Xwindows background color information

I tried xrdb -query -all, appres XTerm xterm commands. but i could not get any background color information. I saw the manpage, the default Xwindow background color is white. But when i started my ...