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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Terminology reconciliation: Display manager vs. session manager, Windowing system vs. Window manager

I am taking the Linux Foundation's Introduction to Linux course. Some of the terminology seems to overlap or contradict, especially when I try to supplement the course material with other sources, ...
3
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1answer
367 views

Laptop keyboard occasionally stops working

I have a dirty solution that is to plug a USB keyboard in and execute the following command: setxkbmap -rules evdev -layout us -model evdev Afterward my keyboard will work. This solution only ...
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1answer
24 views

Arch Linux Gnome problem

I have a quite weird problem I just cannot get rid off. I am using ArchLinux and as I am from Germany the german keyboard layout and such. So when I start Gnome via startx it is said that Gnome is ...
3
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1answer
579 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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xprop -set _MOTIF_WM_HINTS hides maximized window

I want to hide/show the title bar of a window with a key shortcut. So I got this script from a website (of which I don't have the URL anymore): #! /bin/sh -x winid=$(xprop -root | awk ...
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3answers
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How do I find the window dimensions and position accurately including decorations?

I've been trying to figure out the size of a window for use in a small script. My current technique is using wmctrl -lG to find out the dimensions. However, the problem is this: The x and y figures ...
2
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1answer
32 views

How to determine which displays are enabled/disabled

I am able to enable or disable my LVDS display using xrandr --output LVDS --auto xrandr --output LVDS --off respectively, but how can I programmatically determine whether the display is enabled? ...
1
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1answer
493 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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16 views

Wrong keybindings in Dvorak

Using Dvorak as the selected keyboard layout, I find this strange behavior: The copy+paste keybindings in some programs don't work with Ctrl+C and Ctrl+V in the dvorak position, but they work in the ...
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15 views

Same window size on different monitors

I am using two screens, one is 1920x1080 and the other one is 1280x1024. They have different dpi values, so the second screen is higher than the first one, although having a lower resolution. Is ...
0
votes
1answer
27 views

Binvox not working on a headless Linux server

I'm trying to run Binvox (http://www.cs.princeton.edu/~min/binvox/) via web server, on an Amazon EC2 server with Nvidia GRID K520 GPU and running Ubuntu 14.04. I'm using the system(binvox, $ret) ...
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2answers
47 views

Matrix Structure for screen rotation

I can set my screen rotation to inverted with: xrandr -o inverted xinput set-prop 'ELAN Touchscreen' 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1 and back to normal with: xrandr -o ...
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4answers
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Setting the window dimensions of a running application

I'm trying to start an application within Ubuntu (xfce or gnome) and via the command line and was wondering if there's a generic way to set the dimensions of a given window of a given app that is ...
2
votes
4answers
8k views

X11 forwarding not working from putty and XMing to centos 6.4

I have centos 6.4 running on VirtualBox. I can connect to it via putty just fine. However X11 forwarding is not working. I Have Xming 6.9.0.31 running and putty 0.62 is setup for X11 forwarding: ...
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0answers
30 views

S-M-* commands aren't recognized by Emacs

I've noticed commands like M-> (end-of-buffer) and M-S-<right arrow> (org-meta-right) aren't being recognized by Emacs. This was confirmed by describing key bindings using C-h k, which showed ...
2
votes
2answers
36 views

stop/restart X server

I want to generate xorg.conf but for that X needs to not be running. How do I stop X or start without it? I tried ctrl + alt + F2 but the X server is still running. I'm running Lubuntu 14.10.
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vote
1answer
400 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 ...
3
votes
2answers
21 views

X11 blank vs dpms off

I've been playing around with the dpms/blanking settings on a version of Linux built via yocto. Something odd I've noticed is that "blank" and "dpms off" both put the monitor to sleep. I had ...
2
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0answers
24 views

Invalid event in x11

I use xscope to monitor X11 protocol. I monitor X11 protocol because I try to fix some focus issue with Swing and MPX. I noticed that following packet is transmitted when focus error occurs. How to ...
14
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3answers
3k views

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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1answer
18 views

Is possible to change X server without kill client? [duplicate]

My usecase: User opertes on Server1 station. He can use ssh or whatever to connect with Remote Station and start some application on it and display it on his station (Server1). Now user has to change ...
3
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0answers
35 views

Select characters by holding down a key in Linux (like in OSX)

I've been wondering if there's any add on available that does something like Mac OS X. My mother tongue is Spanish, and now I live in a Francophone environment, I also do English a lot, so I'm in need ...
3
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1answer
1k 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 ...
5
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1answer
494 views

How can I save/restore window positions when I undock/dock my laptop?

I have a laptop with a docking station that has a large monitor connected to it. When the laptop is docked, I use the monitor as my primary display, and the laptop screen as a secondary display. ...
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2answers
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X client forwarded over SSH “cannot open display: localhost:11.0”

I have enabled X forwarding on remote machine where SSH server is running: # grep -i forward /etc/ssh/sshd_config X11Forwarding yes # On local machine, I have started SSH client with -X flag ...
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2answers
99 views

Openbox won't load wallpaper on startup

I've tried a lot of things. I googled and followed tutorials and I'm still unable to have my wallpaper load on startup. What I've done so far is I've added the wallpaper of my choice via feh feh ...
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1answer
248 views

Multiple XkbOptions in xorg.conf

how should I write multiple XkbOptions in xorg.conf? I've tried "option,option,option", "option, option, option", "option option option" and none of these worked - only the first option was executed.
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0answers
14 views

How to use a separated user with GUI on OpenBSD?

A webbrowser is a GREAT attack vector since people use it to access the "dangerous" internet. Very bad things can come in through to the desktop. So in general for a desktop, we can do the ...
2
votes
1answer
360 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 ...
1
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1answer
41 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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2answers
1k views

NVIDIA driver upgrade failed

I downloaded the latest(331.49), tried to install, but failed. I compiled the kernel module and at the end of the installation it said that it went successful. But on bootup it said: version mismatch, ...
3
votes
1answer
28 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 ...
2
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3answers
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How to get cpu usage for every core with a bash script using standard *nix tools

I'm writing a bash script to print system stats to my dwm status bar using xsetroot. Everything works as expected. What I'm currently missing is an easy way that just uses standard *nix tools to give ...
3
votes
1answer
30 views

Keyboard layout change indicator

I have (and often change) 3 keyboard layouts on my Mint 17/Mate. I would like to see a notification on my screen when layout is changed, e.g. "Switched to English/US". I tried to do it via keyboard ...
6
votes
1answer
374 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 ...
2
votes
1answer
25 views

Browser in Xwayland unresponsive (incl. video)

I use wayland with xwayland and weston and run X11 applications from an xserver that is running in wayland/weston. This includes my browsers, Firefox and Chromium, as they currently cannot run ...
2
votes
1answer
111 views

How to print a bash variable that has an array as value

I wrote a script for my dwm statusbar. One part of it is finding the current cpu usage for every single core on my system. I figured out a way myself but I would need some help fixing a bug in this. ...
3
votes
1answer
65 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 ...
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2answers
2k 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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0answers
10 views

xvfb-run aborting on cluster

I'm trying to run a python script with xvfb-run on a cluster using SLURM; when I use an interactive session (srun) it works fine, but when submitting to a queue (sbatch) it aborts/fails without much ...
3
votes
1answer
30 views

How can I overlay lines in a transparent, inactive layer over my screen?

I'm attempting to line up some items on my screen, and it'd be useful to have a mostly-transparent guide as an overlay. Ideally, I would draw a vertical line that persists in the foreground, while not ...
1
vote
1answer
14 views

Remapping WASD + R_Shift to arrows

I know this has already been asked so many times, but even after searching, I still can't do it. I simply want to map R_Shift + WASD to the arrow keys (Linux). I can map Shift + WASD to arrows using ...
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1answer
27 views

tmux blocks certain things on my Mac

I really like tmux and use it often so I set the following in my .zprofile: [[ $TERM != "screen" ]] && exec tmux so when I open a new window, tmux will be there for me. However, there are ...
2
votes
1answer
40 views

what does *-*-c-*-*-* mean in a font-setting

I often see Fonts being set like this: (e.g. in dmenu or bar-ain't-recursive) -*-terminus-medium-r-normal-*-14-*-*-*-c-*-*-* what does these *-c*-* sign mean? I really don't get it...
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0answers
24 views

X server started by kdm dies during startup because of keymap couldn't be loaded

I upgraded an OpenSUSE from 11.1 to 13.1, but after the upgrade, the X server refuses to start. If I execute kdm, the X server complains in /var/log/Xorg.0.log file that: (EE) Error compiling keymap ...
0
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1answer
289 views

Anti Aliased Fonts with NoMachine NX

I am running nx server on a headless ubuntu server. Its desktop is to Unix -> Custom -> Emacs which gives me an Emacs window on the local machine. The only thing that does not work as expected is the ...
0
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1answer
13 views

vncserver-x11 binary not found!

In which package I can find vncserver-x11 binary? I installed x11vnc and I found only x11vnc binary.I don't have any package named vncserver-x11 in repository. $uname -a Linux 3.2.0-67-generic ...
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0answers
13 views

SLIM login manager Causes Urxvt window to loose Transparent/Opacity effect

On Gentoo.... This is strange.... when I start X through SLIM I loose the opacity(transparent look) on my urxvt windows. It's only when I start X through SLIM. If I start X with xinit directly, ...
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0answers
32 views

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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0answers
34 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 ...