Xorg is a full featured X server that was originally designed for UNIX and UNIX-like operating systems running on Intel x86 hardware. It now runs on a wider range of hardware and OS platforms.

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Debugging multiseat: How to run two X server layouts together without display manager?

How to run two X servers together, each with its own layout, directly from command line, without any display manager (e.g. GDB, KDM or LightDM)? Lets say there are two ServerLayout sections in ...
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1k views

Debian stable dual monitor problem

I installed Debian wheezy with XFCE 4.8 on my new laptop, updated the kernel to 3.13 from backports. When I connect the laptop to my monitor, I can see only a part of the screen on the monitor with a ...
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2answers
411 views

Display problem - Random grid appears on screen

I have recently started using Arch with nvidia driver (I had a lot of problems getting nouveau to even work so I decided to try nvidia) and I started experiencing rather odd problems. Every now and ...
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3answers
60 views

How do I exit the window manager on the current X display?

Let's say I have the window manager Blackbox running on two different X displays, e.g. :0.0 and :1.0 launched from tty1 and tty2 respectively. From a terminal (emulator), how do I exit (kill) the ...
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13 views

Guidence on writing a system tray daemon

I'm using openbox and I want to write a pipemenu to serve as a system tray. For this, I need some kind of a way to access the information on which applications are registered with the system tray and ...
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16 views

Input event for trackpad co-ordinates

I am making an app that requires the co-ordinates of the touch / swipe of the user. This is currently available only if you are running a VM ( Alt + F2/3/4/5...) using evtest. What do you think is ...
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Can I edit an event (gamepad)'s behavior?

Ok, so I'm attempting to fix my gamepad's (or rather, dance pad's) input, because the d-pad is acting like an axis rather than 4 buttons. I attempted to use xboxdrv, to no avail. So my question is, ...
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710 views

Debian Sid, AMD RS880 [Radeon HD 4250], black screen on boot

My computer booted under Debian Wheezy (3.2 kernel) with no graphics problems whatsoever. After updating to sid (3.10 kernel), the screen goes black (that is, the display flashes a bit and then goes ...
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800 views

how to configure xorg.conf for extended desktop?

I would like to setup the dual monitor settings where I can use two monitors as a single Desktop with single panel, single launcher and when some programs are maximized then it should span both the ...
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37 views

setxkbmap command and set local keyboard

Suppose the following code of shell: setxkbmap us ## set keyboard layout to English language ## OR setxkbmap ir ## set keyboard layout to Persian language ### OR setxkbmap ru ## set keyboard layout ...
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529 views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
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How to interpret information in brackets in Xorg.0.log?

Are the numbers inside the blocks are in some sort of date format? [ 1613.015] (II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event16) [ 1613.015] (II) No input driver ...
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38 views

Change cursor theme with immediate effect

Is there a way to change the cursor theme with immediate effect in X, after it starts up? I've tried xrdb -merge which doesn't work (nothing happens).
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22 views

Where to Calibration data

where can I find calibration data/setting stored in Ubuntu.
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519 views

Why is mouse freezing in FreeBSD 9.1 Gnome or Fluxbox?

I'm new to FreeBSD 9.1 and I wanted to install a desktop GUI environment. I first tried Gnome 2 since I am familiar with it. I appended the following lines to the /etc/rc.conf file: hald_enable="YES" ...
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2answers
727 views

dual-monitor bugs during resolution setting

My OS is Slackware 13.37 64-bit. I have two monitors. Primary one supports 1920x1200 and the secondary one 1280x1024. I use this line to enable dual monitors in "non-clone" mode: xrandr --output ...
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234 views

Laptop VGA Output Randomly Changes Name Between VGA1 and VGA2

Periodically (every few reboots by the look of it) my external VGA output on my Laptop changes name between VGA1 and VGA2. For example right now xrandr is displaying: timp@helez:~$ xrandr | grep VGA ...
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2answers
178 views

Programmatic way to install xkb keyboard layout

I have a new keyboard layout that is working so far. I want to ship this to users who most probably will have minimal knowledge of Linux. Trouble is to install this layout I have to do a lot of copy ...
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38 views

Console TTY displays on integrated Intel HD3000's monitor instead of NVidia GPU's monitor

I've got two monitors attached to my desktop PC's GPU (a GeForce 560Ti) that work fine for X. When I switch to the console TTY, however, both monitors show nothing. The console TTY is being ...
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1answer
62 views

Change the status of the keyboard leds, from within an X session, without root access

I am trying to force the capslock led on. xset does not work for me, so I am trying to use setleds. In a graphical console, this command returns: > LANG=C setleds -L +caps KDGKBLED: Inappropriate ...
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30 views

Triple monitors on Debian wheezy

I have nVidia GTS 450 on Asus Z97 motherboard. Today I bought a new screen, so in total I have three now - two 27" are connected to the GTS 450 card and one 20" is connected to the motherboard output. ...
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51 views

HiDPI scaling for non-aware applications

Current situation I have a 15" 3200x1800 screen, which is referred to as Retina or HiDPI. Using Linux Mint Cinnamon, I already have a desktop that scales nicely - but that's pretty much it. Besides ...
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Can another program on X capture my root password while I type it in a virtual terminal?

Usually I only install open source programs on my linux box because I don't trust closed source applications. Recently I had to use Dropbox for a university project. I created a separate linux account ...
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How do Live DVD/CD/USBs detect video card and configure X accordingly?

I'm trying to create a USB that I can carry anywhere with my system on it, I know there are Live distros that can be used that way, but I need a very specific installation. The problem is that the USB ...
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25 views

CentOS 7 how to EnableBrightnessControl in xorg.conf

How can I set EnableBrightnessControl=1 in xorg.conf of a CentOS 7? File does not exist.
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6answers
2k views
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808 views

Terrible performance on linux mint 16 [closed]

I am having difficulty with getting linux mint to cooperate with my desktop. Specs: Mobo: Maximux IV Extreme-z CPU: i7 2600k GPU: 2x R9 290x Storage: (240GB) 2x OCZ Vertex 3 on RAID0 (Currently ...
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1answer
107 views

Running X without root

I have a kiosk-style host running Ubuntu Server 14.04. I'm trying to set it up to play some videos, TV-like. Sometimes it needs to play Youtube playlists and other web-based video streaming services ...
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30 views

Best way to connect to all X displays

In a C or C++ program, what is the best way to connect to all X displays on a computer? I would like to check the X idle time of each display, to determine whether the computer is idle across all ...
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2k views

How is the linux graphics stack organised?

Can anybody explain(hopefully with a picture), how is the linux graphics stack organised? I hear all the time about X/GTK/GNOME/KDE etc., but I really don't have any idea what they actually do and how ...
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24 views

How to enable Vesa driver in qemu

I am running Red Hat 7 into a VM using virt-manager (qemu) and it seems that it uses by default, Cirrus driver: 00:02.0 VGA compatible controller [0300]: Cirrus Logic GD 5446 [1013:00b8] (prog-if 00 ...
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32 views

How to run Xserver with VESA driver on top using 24bpp

I am trying to trigger a bug, and to do that I need to run Xserver with VESA driver on top using 24bpp. I have qemu VMs with all sorts of distors (Ubuntu, CentOS, Debian, OpenSUSE), so please feel ...
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67 views

Can't access virtual terminals after manually starting an X server

I'm working on a display manager. When an X server is already started, my display manager works fine and is able to log in a user. However, in order for it to be a proper display manager, it needs to ...
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51 views

Blank console when exiting X

I'm running Linux Mint 17.1, but this probably applies to most distros anyway. I just installed LM cleanly from a bootable USB (which is fine - I checked) and I need to install the appropriate ...
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13 views

Run Qt Widget program on VPS with Xorg running over VNC

I want to start simple Qt program on my remote VPS. So I installed Xorg, BlackBox and x11vnc. It works good and I can connect to the server with VNC client. I see grey screen and if I run xterm & ...
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18 views

Decrease sensitivity for scroll on external mouse

I have a Primax HP Wireless Eco-Comfort Mobile Mouse that uses bluetooth, I think, to connect to my laptop; but scrolling with the mouse's wheel is really funky. The problem Scrolling is extremely ...
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2answers
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Arch: Awesome Window Manager won't start [closed]

I can't get my awesome running. I installed awesome and all dependecies with pacman and followed the beginning of the following guide to get awesome running: ...
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18 views

how to get X output on 2 non-identical nVidia cards

I've been trying to get a second GPU (8600 GT) in my system be used. (main GPU 780 Ti) The problem I'm having is that whatever I do, I can't get the monitor hooked up to the 8600 to display anything ...
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1answer
38 views

Can't get my secondary monitor to power on in X11

I have an ATI HD5770, connected to 2 monitors(DVI and DisplayPort). When booting up ArchLinux the TTY display is duplicated between the two monitors as excepted, but when starting the X server(Awesome ...
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1answer
58 views

What does this `xhost …` command do?

Please help me understand this line of command: xhost +SI:localuser:lightdm in reference to the answer in this post and also suggest if there's a better way and why that's needed. I couldn't make ...
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0answers
50 views

X server periodically restarting for no reason

X has been periodically restarting for no reason. Its been happening once a week or a bit less frequently. Recently it has seemed to be happening more recently. It just happened again just now. It ...
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1answer
432 views

FC16: can't log in via LightDM or GDM (but 'startx' works fine)

I'm running Fedora Core 16 (with all patches applied as of 11 Feb 2013, AFAICT) on a dual-monitor Lenovo workstation, and can't seem to access my desktop via a graphical login manager. My system ...
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1answer
39 views

Rhel 7 not booting up

I recently installed rhel 7 on my laptop as dual boot (with windows 8.1) in UEFI mode. After the installation I cannot log into redhat. The gnome desktop starts to load and then it goes to a black ...
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1answer
172 views

Can an X video driver be restarted/reinitialized without loosing the session?

Have been experiencing problems with my laptop display usually brought on by interacting with graphics images in chromium web browser. When it happens the display goes haywire as if the horizontal and ...
2
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1answer
41 views

Reliable and persistent installation of the Nvidia driver on Centos 5

We have a bunch of computers controlling equipment that run on Centos 5. We also need to use the proprietary Nvidia driver, the default nv driver doesn't work correctly with some software we need. ...
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1answer
668 views

Fedora 17 Xorg fails to start on boot

My Fedora 17 installation is no longer booting into X : it finished loading the boot screen, then the cursor turns into an "X", flashes a quickly a few times then the just stalls. To get X to load, I ...
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101 views

/etc/X11/xorg.conf.d missing?

Is xorg.conf.d no longer used by Arch Linux? If so, does anyone know where the configuration files that once lived under said directory now reside?
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545 views

i3-wm not resizing screen resolution on login

I'm using Parallels for the Mac, but this may be relevant to other VMs too. Using Ubuntu 14.04, when I login using Unity it resizes the screen and uses all available screens (2 in my case), perfect. ...
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1answer
86 views

How to get system to shutdown when Xorg is quit?

I installed nodm, so that Debian starts Xorg and a window manager immediately after booting, without requesting any password and without a login. How can I similarly setup Debian to shutdown the ...
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1answer
23 views

Xinerama misbehaving - drags to wrong screen

I am in the midst of setting up a new Debian workstation. Using one AMD HD 7870, I am running 3 screens. It took a little doing to get to the point where all three screens were showing up correctly, ...