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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Generic multiple monitor layout on RHEL/CENTOS 7

By default, RHEL7 seems to think multiple monitors are next to each other. I need to have them vertically spanned instead of horizontal. I found that modifying xorg.conf or xorg.conf.nvidia to set ...
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Touchscreen on embedded Linux can't tab or click

I use a 7" display with resistive touchscreen, embedded Linux for ARM CPU. Manufacturer Engicam, design is similar to Freescale / NXP i.MX6 Sabre board. With Yocto 1.7.3 and Engicam board support ...
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21 views

Is X11 cross-linux-platform and free from platform quirks?

Does X11 work across all linux operating systems? If I code a application that has an X11 window, will it look and operate the same across linux os's or will I have different tweaks I need to perform? ...
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Can I change the X rotate the xf86-video-fbdev during execution?

Below is my /etc/X11/xorg.conf.d/1-fbdev.conf. /etc/X11/xorg.conf.d/1-fbdev.conf Section "Device" Identifier "LCD" Driver "fbdev" Option "fbdev" "/dev/fb0" Option "Rotate" "UD" EndSection ...
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Reattach to lost X11 session

I'm using X11 forwarding over ssh to run Linux apps on my Windows box, and when the network drops it loses everything that was running. Is there anything similar to screen for X11?
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Forwarding X-windows through a su - session

I'm trying to forward my X windows, but seems to be limited to just on session? What I'm trying to do is invoke x-applications as another user, through a sudo su -. If I know the other user's ...
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237 views

Why google-chrome-stable requires libX11.so.6()(64bit) but this requirement cannot be provided?

I'm used to google chrome, so I downloaded it onto my sles 11 sp3. when I want to install it, I get the following issue. Problem: google-chrome-stable-43.0.2357.125-1.x86_64 requires ...
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1answer
836 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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Left-clicks not working for any device in openSUSE Tumbleweed

Okay, so I really am at wit's end here. I had this problem where my left click stopped working randomly. It had happened once before, but I thought it was a non-issue, as the problem manifested when I ...
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1answer
19 views

Cinnamon: Which software project “owns” the “Display” configuration dialog?

Cinnamon 2.8.8 64-bit, Linux Mint 17.3 'Rosa' Menu > Preferences > Display The dialog allows to enable and disable (multiple) monitors, and position them relative to each other with drag and drop. ...
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how to create an icon button in X11?

I am using x11 library for creating a simple window application in Linux. I want to add an icon button (graphical button) to my app - something similar to this: Are there any instructions on how to ...
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3k views

Alternatives to xmove, xpra

A bit of background information: I'm dealing with a piece of software that is part of a larger system. Most pieces of the system have a background process that runs continually, and a GUI that can be ...
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2answers
31 views

How to start x11vnc by socket (ie only when needed)

Actually I start x11vnc in /home/odroid/.config/lxsession/LXDE/autostart with @/bin/x11vnc -bg -forever -shared -rfbauth /home/odroid/.vnc-passwd -noxdamage -norc -noxrecord -capslock -no6 -rfbport ...
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1answer
21 views

X11 multi-pointer, pointer conflicts

In an attempt to continue using my PC whilst automating a GUI application, I have created 2 pointers on my machine using xinput, one being controlled by me, the other by pyautogui. on my system this ...
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1answer
888 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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23 views

SECONDARY clipboard [duplicate]

I know that X has three clipboards. How do I use the SECONDARY clipboard? Is there a shortcut for copying/pasting from it?
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Ubuntu 16 stop lightdm and start xinit/xterm

I am working with Ubuntu 16. I have been able to stop the desktop environment using: sudo service lightdm stop Now I would like to start, from another terminal in a console environment, the X ...
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256 views

Use PSF font in X11 terminal emulator

I want to use a specific console font (/usr/share/consolefonts/Uni3-Fixed16.psf.gz) in a X11 terminal emulator (for example Terminator or gnome-terminal). I've stumbled over similar questions, but ...
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1answer
26 views

How to change mouse acceleration in X permanently?

I've found this link about how to change mouse acceleration: xinput --set-prop 14 293 1 This works for me. I've tried putting this to my openbox's autostart script, but after some time my mouse ...
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1answer
19 views

Closing many gnuplot -persist windows

I just opened more than a hundred persistent graphing windows using gnuplot -persist with x11 on a RHEL desktop. Is there any easy way to close them all? I don't really want to logout/in or click ...
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92 views

A quit command weaker than windowkill?

Typing in xdotool getwindowfocus windowkill currently terminates the active window and bypasses any safeguards like "would you like to save your work?". Is there a weaker command than windowkill I ...
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1answer
39 views

Remapping Caps Lock for every session

I use the following command to remap the Caps Lock key to Esc: setxkbmap -option caps:escape Unfortunately, I have to type the command every time I create a new session. I tried putting it in my ...
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1answer
36 views

X11 forwarding via SSH and su

For me, it is weird that while using ssh connection with X11 forwarding, a user and root are able to see xclock, but another user is not able to see that. Why? mahmood@cluster:~$ xclock ^C ...
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How can I map the Caps Lock key to ShiftInsert on xubuntu [duplicate]

For a long time I have disabled my Caps Lock key using xmodmap. However I would now like to map it to something useful, specifically Shift+Insert which does the same as the mouse middle button (if ...
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348 views

How do I bind AltGr+key to a symbol?

I want to bind AltGr+W to æ, and some other combinations, how can I do this? I also need AltGr+Shift+W to Æ. I normally use setxkbmap to change the keymap.
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1k views

setxkbmap switches between 2 out of 3 layouts

Issuing that command: setxkbmap -layout "us,ua,ru" -variant ",winkeys" -option "grp:shift_caps_toggle,grp_led:scroll" -model pc105 -rules xorg When hitting Caps Lock+Shift I'm switching between ...
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1k 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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1answer
1k 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 ...
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2answers
3k views

Cinnamon failed: desktop only, no panel, no dialog frame

I am using Linux Mint 14 (MATE) with Cinnamon installed. Cinnamon failed when I tried to delete an item on the menu with menu editor. The system froze, so I logged out by pressing Ctrl+Alt+Delete. ...
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1answer
62 views

Change keyboard layout when using a keyboard or other

Well, I was deep reading into setxkbmap options and changing layouts posts, but I don't find what I need. The problems is the following: I have a laptop running Fedora 23 Cinnamon Spin, the laptop ...
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11 views

Display RGB database foreground/background combinations

I'm trying to adjust color in X. I seem to recall that there are a couple of utilities available to experiment with foreground/background combination while displaying all the colors. Anybody know ...
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213 views

How to set the monitor brightness gracefully at boot time?

I've been using a loop that contains xrandr --output VGA1 --brightness 0.3 in a bash script which will automatically execute right after logging in by gnome-session-properties (a.k.a. Startup ...
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741 views

/usr/bin/gnuplot.exe: error while loading shared libraries: cyggd-2.dll: cannot open shared object file

I am trying to run Octave under Windows and to run graphics plotting routine under it. It requires Cygwin and X/Cygwin. When I trying to run any plotting routine, the following error appears: ...
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4k views

How to tell which keyboard was used to press a key?

I frequently work on pairing stations where there are multiple keyboards installed. I can use setxkbmap with -device <ID> to set the layout for a specific keyboard (using an ID from xinput), but ...
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1answer
47 views

Best Graphics over X11 Forwarding

I am currently using Exceed to handle individual X windows being displayed back to my Windows machine and this works flawlessly. I'm using Windows as my Window manager, but I have also experimented ...
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1answer
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restart X11/Xwindows without disconnecting ssh session

Is it possible to restart an X11/Xwindows session without having to exit the server I've SSH'd to? I'm currently using iTerm on OSX, and every so often X11 (I guess) times out (giving me the error ...
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2answers
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Difference between .xinitrc, .xsession and .xsessionrc

I found three configuration files. .xinitrc .xsession .xsessionrc I know that the first one is for using startx and the second and third are used when using a display manager. But what is the ...
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1answer
2k views

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

Edit: it seems Arch now uses TTY7 for X by default, so this question is irrelevant I've used Debian derivates (*buntu, CrunchBang), Mandriva, OpenSuSE, Fedora, name it.. all of them had X server at ...
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3k 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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Why is my system freezing when I try to unbind GPU from radeon?

Right now I'm trying to accomplish this: http://arseniyshestakov.com/2016/03/31/how-to-pass-gpu-to-vm-and-back-without-x-restart/ I've gotten everything on the host to work. DRI_PRIME is working ...
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1answer
17 views

How to start an app on specific head?

I'm trying to start cheese such that it runs on a specific head on a multi-head display setup. The application options include a --display=DISPLAY setting: $ cheese --help Usage: cheese ...
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2answers
986 views

Custom keyboard layout is reset to default after standby or reboot

I designed a keyboard layout for myself, after I run xmodmap it works OK, but after standby or reboot, the layout turn back to qwerty. How can I set it as default? My OS is Debian Wheezy with XFCE4. ...
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GPU Offloading using wayland and x11

I have a media center pc with a discrete gpu (AMD Radeon R9 270x) and a internal intel graphics and I have some problems with the HDMI-audio output when using ALSA and the Radeon card. HDMI audio from ...
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1answer
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X: Find out if a window is visible to the user i.e. not covered by others

I only want to execute a certain action with xdotool if the window is not visible to the user, this includes minimized windows, but also windows which are 100% covered by other windows (if no ...
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2answers
85 views

Linux using whole swap, becoming unresponsive while there is plenty of free RAM

I am experiencing a weird issue lately: Sometimes (I cannot reproduce it on purpose), my system is using all its swap, despite there being more than enough free RAM. If this happens, the systems then ...
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Using HID compliant mouse like device in ubuntu [closed]

Aim: I have a whiteboard which emulates a mouse. Thus, when you click and drag on the whiteboard it should move the cursor. I want to make a whiteboard work in Ubuntu. It works on windows. Device ...
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2answers
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linux - show image on console / X11 [duplicate]

Is it possible to show an arbitrary image across the console / X11? In essence, I just want the video output to be the image. Is there a way to do that? I would want the console virtual terminals ...
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1k views

How to setup x11 touchscreen in linux desktop?

I am using opensuse desktop with two screens, top and bottom. Only the bottom screen is touchscreen, which is USB touchscreen. Both monitors are used as a single screen. I tried to configure the touch ...
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Lightweight X11 alternative available?

Is there any lightwight X11 alternative suited for old systems? (Say, 1GHz and 256-314MB RAM)
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Disable CapsLock functionality on short press

Is there any way to make pressing CapsLock effective only on long press? for example it effect only when we press and hold it for half a second? (I'm using ubuntu 14.04)