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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xrandr: add a new mode

I would like to add a new mode with xrandr, but I have a problem, xrandr don't want ! ~$ gtf 1280 1024 60 # 1280x1024 @ 60.00 Hz (GTF) hsync: 63.60 kHz; pclk: 108.88 MHz Modeline ...
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597 views

Setting DPI and monitors permanently

I'm running elementary OS Freya (based on Ubuntu 14.04) on a MacBook Pro 13.3" 2013 Retina and I'm having weird DPI problems: Some applications (eg Google Chrome) have no awareness of DPI settings ...
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1k views

CentOS: Avoid that ALT-F4 switches to console

At least every Linux system that I worked with used the convention to switch to the non-graphical consoles by Ctrl-Alt-F1, Ctrl-Alt-F2 and so on. Recently, I installed CentOS 6.3 on a machine. The ...
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349 views

Screen flickers in Fedora 17

Screen flickers every 10 seconds. (I timed with a stopwatch, screen flickers every 10 seconds, 6 times a minute exactly.) I've used Windows and I'm trying to use Linux. I don't know much about Linux. ...
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1k views

When running some X prog. remotely with ssh -X, it says “libGL error: failed to load driver: r600”

OS: CentOS Linux release 7.0.1406 (Core) Kernel: 3.10.0-123.8.1.el7.x86_64 When I run xcrysden (http://www.xcrysden.org/) remotely through ssh -X, it crashes with error: "libGL error: failed to load ...
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681 views

Window resize slowly and freeze with compton, openbox and catalyst-hoo

I'm try for the second time use Arch Linux. In this installation I get: openbox tint2 compton catalyst-hook (Vi0L0's) After starting the compton, I can not see what I'm typing in the terminal, ...
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1answer
192 views

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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3answers
185 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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39 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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23 views

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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1answer
304 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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63 views

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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1answer
89 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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59 views

Where to Calibration data

where can I find calibration data/setting stored in Ubuntu.
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409 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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1answer
158 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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1k 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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278 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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1answer
1k views

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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233 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
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1answer
1k 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
755 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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58 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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5answers
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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452 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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231 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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1answer
758 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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1answer
286 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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2answers
2k views

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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1answer
166 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
321 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
306 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 ...
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1answer
150 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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2answers
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/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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1answer
155 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
89 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, ...
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100 views

Does X11 still have a hardcoded limit for application resource strings?

The xterm(1) manual page states: Due to a hardcoded limit in the X libraries on the total number of resources (to 400), the resources for 256-colors are omitted when wide-character support and ...
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1answer
1k 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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70 views

Opensuse goes consol after booting?

I am new to opensuse. i have installed opensuse 13.2 gnome i tried to install nvidia drivers. after installing drivers . when i restart i go direcly to consol (NOT GUI) so i removed nvidia ...
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1answer
79 views

Change X server configuration at runtime

Environment: NVidia video card with NVidia drivers. Debian 8. Multiple monitors I currently have 2 screens connected to my computer. Usually (while working) I like to use both. Sometimes (while ...
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32 views

Any tool to live patch X.org? I.e., reload X.org without logout and login

I'm trying minimize my number of reboots (it's a desktop Linux workstation), and I've found some nice tools that can reload the kernel without reboot: Oracle ksplice, SUSE kGraft and RedHat kpatch. ...
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Which activity/program prevents my monitor from going off?

I can set my monitor off with xset dpms force off but something prevents KDE from setting it off. On the other hand, when I play a long youtube video it might go off (!). This correctly happens after ...
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1answer
51 views

What combinations of NVidia GPUs are well supported with with driver 319.82?

I'm using Debian 7.7 with the proprietary NVidia driver 319.82 and a GeForce 560Ti. This drives 2 portrait (rotated) monitors over DVI with no problem and I'm happy with the result. I'd now like to ...
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2answers
167 views

Can I attach a GUI process to a “surrogate X server”?

I have been in a situation where my desktop has crashed and become unresponsive. (In my case it was the Cinnamon DE, and I have yet to try cinnamon --replace from the commandline, BTW) I was using a ...
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1answer
99 views

what does Xserver access control mean

What meaning does Xserver access control have, when the Xserver is started with tcp disabled: /usr/bin/X11/X -nolisten tcp AFAIU, Xserver can be used to allow remote network connection. But, if it ...
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1answer
887 views

Why is laptop screen called eDP1?

In my new laptop, using i915 and the intel driver of Xorg, the laptop screen is called eDP1 in Randr $ xrandr eDP1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm ...
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1answer
930 views

Too many touchpads recognized: touchpad does not work

I just bought a new Dell Inspiron 7347 for my mother. It is supported officially by Ubuntu 12.04 LTS so I guessed that Linux would go nicely on it. Well. I installed Mint 17 KDE (based on Ubuntu ...
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1answer
447 views

xte and keyboard mapping

I'm trying to fake xinput events with xte: xte "str $(echo '<ABC@gmail.com>')" But, I get: WQBC@g;qil<co;X That's really weird, I'm using US keyboard and mapping, but xte gives this ...
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706 views

How to set up MouseButton4 on TeamSpeak

Is there a way to set up Button4/5 to push-to-talk in TeamSpeak? For Example: In Firefox I can undoing and forwarding but TeamSpeak doesn't recognize clicks. I'm using Arch Linux and my mouse is ...