22
votes
5answers
2k views

Why does the X Window System use a server?

I never really understood why a window system must have a server. Why do desktop environments, display managers and window managers need xorg-server? Is it only to have a layer of abstraction on top ...
0
votes
1answer
76 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 ...
1
vote
1answer
27 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 ...
2
votes
1answer
131 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. ...
1
vote
0answers
17 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, ...
2
votes
0answers
49 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 ...
1
vote
2answers
199 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 ...
2
votes
0answers
91 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 ...
2
votes
0answers
69 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 ...
4
votes
2answers
58 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. ...
2
votes
1answer
36 views

how to 'forward' x display data?

this is my situation: there are three computers lab server (CentOS) lab personal computer(window s7) personal laptop(ubuntu) since the lab server only allowed ip address of my desktop at the lab, ...
2
votes
1answer
80 views

where can I find the MIT-MAGIC-COOKIE in the user side?

While digging into X Windows or X11 stuff I found that X display uses MIT-MAGIC-COOKIE to allow client-server to exchange display data. One thing I don't understand is that I am able to locate and ...
2
votes
1answer
46 views

What signal does X send to its clients when it receives SIGINT?

If I terminate the Xorg server with a SIGINT signal (eg. when I press Ctrl+C), what signal does it send to its clients?
2
votes
0answers
148 views

Using nvidia-settings over ssh

Now the new nvidia-driver has implemented CoolBits for the newer graphics cards I'm attempting to control fan/clock speed over ssh. When attempting to run anything with nvidia-settings via ssh I get ...
3
votes
0answers
220 views

XRandR crops displayed area on certain multi-monitor configurations

I have total of four monitors. One (1680x1050) is connected to integrated Intel display adapter, and three (1440x900 and two 1920x1080) are connected to dedicated ATI display adapter. With certain ...
3
votes
1answer
2k views

How can I get xrandr to detect both nvidia cards: 2 x GTX480, triple-head?

I am running Linux Mint 16 (Petra) I am running the default driver nvidia-319 shipped with the distro I have 2x GTX480 cards I have 3 monitors Using the Nvidia driver, all monitors and GPUs are ...
3
votes
0answers
43 views

Disabling an Xorg server's extension at runtime (for new clients)?

I have an old Xorg server whose "Render" extension seems to be buggy (if enabled, most of the fonts are invisible, unless hovering over them -- after upgrading the packages with X clients and ...
5
votes
2answers
128 views

Killing X-related processes when CrashPlan is running

I am currently running Ubuntu Server 12.04, but this applies to all flavours of Linux really. This server does a bunch of things and is controlled remotely via ssh. Some time ago I have installed ...
1
vote
1answer
85 views

Can I make a second mouse/keyboard (virtual) for xdotool to use?

I have a script running a set of xdotool commands. It only uses half of my screen but I cannot use my keyboard or mouse while it is running due to the number of clicks and typing that is executed. Is ...
2
votes
2answers
2k 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, ...
1
vote
2answers
102 views

what is the difference between X11 and Xlib?

I am not sure if I have got it right. Xlib is a library to interact with X server. X11 is just another name for X server. Is X server just a single library? if so, why we can't access it directly? ...
2
votes
0answers
87 views

xinitrc: starting xterm with tmux causes all windows to share same geometry

I have xterm with tmux open upon startup of X11 with the following line in my xinitrc file: xterm -e tmux & However the -e tmux causes all windows to assume the geometry of the first -geometry ...
2
votes
0answers
98 views

How to remove “dead window parts” after GUI errors?

I have experienced this problem with Chrome only (but for quite a while now, different versions) but the question is not about Chrome but about X (I guess). Sometimes (I am not aware of any pattern) ...
0
votes
0answers
61 views

logname not working under X session

I would like to find out the name of the user at the end of a sudo-chain. The exact tool for this is logname or also who am i works as well. My problem is that while over SSH or tty1 (Ctrl+Alt+F1) ...
1
vote
1answer
40 views

Program for choosing computers to run X clients on - what are such programs called?

At my college some 20 years ago they ran HPUX and had several X-terminals (terminals with graphic-cards that ran an X server, but left the running of X clients to the main computer). The college had ...
0
votes
1answer
200 views

How to start X program on local display? [duplicate]

I'm ssh-ing into a Raspberry Pi. I would like to start an X program remotely, on the Pi's display. I know you can export DISPLAY to have programs open up on your computer when you ssh-in. But I'm ...
0
votes
1answer
317 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.
2
votes
1answer
83 views

What are the purposes of the different types of XWindows fonts?

In my /usr/share/fonts/ I have four sub-directories categorizing types of fonts: cmap truetype type1 X11 The command fc-list produces a list of them. Are these different categories for specific ...
1
vote
0answers
132 views

Xorg Configuration for Unregistered Resolution

I have a monitor with native resolution of 1600*900_60.00, and the intel on board Gen3 Xeon video chipset (i915). when i do $> xrandr the 1600x900 resolution is not in the list. I tried to write an ...
0
votes
1answer
63 views

configure xscreensaver through X resource database

I want to get rid of the xscreensaver config file in my home .xscreensaver. I read in man xscreensaver, that: Options to xscreensaver are stored in one of two places: in a .xscreensaver file in ...
1
vote
0answers
167 views

Xinerama configuration on OpenSuse

Configuration: OpenSuse 12.3 installed from the Sage Live CD (http://www.sagecommons.org) Latest proprietary NVIDIA drivers Dual GTX580s Four displays (two per card) Displays in a 2x2 arrangement. ...
3
votes
1answer
74 views

Writing single-handed layouts for X

I know someone who'd really like to be able to type with only the left hand, so I had the idea of writing a layout which "switches" the sides of the keyboard when the caps lock key is pressed. For ...
3
votes
2answers
787 views

Running GUI application as another (non-root) user

Let's say I have 2 user accounts user1 and user2. When I login as user1, and then switch to user2 using su, I can execute command-line programs, but GUI programs fail. Example: user1@laptop:~$ su - ...
0
votes
1answer
50 views

Text Data from X Client for usage in android app

Is it possible to write a program such that it can capture the data from an X Client to X server and extract only the Text data inside it? I have to port a legacy application to android and the ...
1
vote
1answer
545 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) ...
0
votes
1answer
492 views

How can I set up multiseat/separate X sessions with gnome 3? [duplicate]

With classic Gnome, if one had two monitors, one could set up "separate X sessions" for each monitor. In this configuration, each monitor had a separate user login session and application windows ...
2
votes
0answers
131 views

Xorg Setting checking from Command Line

How do I determined, whether Xorg is using Xinerama, DDC and Reduced Blanking ?? Just adding few options in Xorg.conf is sufficient ? If I have to check from command-line, then how can I check ...
3
votes
2answers
473 views

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 ...
5
votes
1answer
1k 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 ...
3
votes
1answer
3k views

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 ...
1
vote
2answers
1k views

How to use all buttons of SteelSeries Cataclysm MMO Gaming Mouse in Xorg (GNOME)?

I've a problem with my mouse on Gentoo. The normal buttons (left/right/wheel and previous/next) work, but the other buttons are not recognized by x. I tried in xev and using them does not do anything. ...
0
votes
1answer
2k views

Trying to open a GUI from a remote server using Mac but not succesfully

I'm brand new user in MacOSX. I'm using ssh to connect to some Linux servers. I'm trying to open a GUI locally for a process running in the remote Linux server. So I read that I should install ...
5
votes
3answers
822 views

How to make gdm3 start X installed in a different path (or running X from a personalized path)?

I've built the entire Xserver from git for testing proposes using the build.sh provided by freedesktop.org as the easier method to compile all modules against the git tree, and installed under the ...
1
vote
1answer
79 views

Splitting display among computers

If i have 17 system units (computers with monitors) that connected using network, is it possible to display image or video splitted into those computers without having split it manually? 1 2 3 4 ...
1
vote
1answer
100 views

What graphical launcher program can I use?

I have the following setup: I am running Ubuntu on VirtualBox in a Windows Environment. I am using Xming launcher to start xterm from Ubuntu as a client from where I can launch other graphical ...
2
votes
2answers
953 views

Is xinitrc executed when logging in?

I have a ~/.xinitrc with the following content xrdb -merge $HOME/.Xdefaults this xinitrc is basically useless because it's not loaded when the user logs in, I don't think that I'm doing something ...
2
votes
3answers
1k views

How does GDM authenticate to the X Server?

Given that you usually have to authenticate to the X Server by way of a "magic cookie" stored in the .xauthority file in the user's home directory: How does GDM (like most login processes, running as ...
0
votes
1answer
1k views

urxvt not loading xft font from ~/.Xdefaults

Some basic details: archlinux 3.9.3-1 xmonad 0.11 urxvt 9.18 I can get urxvt to load my desired font manually using: urxvt -fn "xft:Ubuntu Mono" However, I'm unable to get this font to load ...
11
votes
2answers
832 views

How to Save X Session — ArchLinux+Openbox

I use Arch Linux and Openbox. How can I save the state of my current openbox/X session and later restart them? The scenario is like this: I've several browsers windows open, terminals, file ...
8
votes
2answers
197 views

Single key audio capture in Linux (save on key release)

I'd like to run a program that records audio only when the Right Control key is held down. On keyboard release the result would write to disk as, e.g. yy-mm-dd hh:mm.ogg. How might I do that? $ ...