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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Mapping two joysticks with Xorg

I already managed to map the input of a joystick to keyboard inputs by writing a file in my xorg.conf.d/ directory (the file is named 51-joystick.conf). Now I would like to map the inputs of a second ...
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1answer
55 views

qt4 applications don't work in Xephyr

I am using Xephyr to run applications as another user, while being logged in as primary user. Most applications work fine in Xephyr, except qt4 based. Specifically: electrum ipython qtconsole ...
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34 views

Can I configure a touchpad to act as modifier keys in some circumstances?

I have Debian and use Emacs a lot. I have an idea which could help me in using modifier keys. Currently I just switch the touchpad off when using Emacs, with this command: synclient TouchpadOff=1 ...
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12 views

Configuring keyboard layouts: 3-way switch, 3rd layout when CapsLock is on

I'm trying to configure my keyboard in this way: I have 3 layouts, 2 of which I use fairly often (eng, rus) and 1 I use occasionally (e.g. when I'm writing some official letters) - cz. The difference ...
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69 views

How to make startx open new X Session in tty7 on Raspberry Pi?

Before, when I launched x from the tty1 console, it would start the x session in tty7, allowing me to terminate it easily from tty1. Now (I do not know what changed it), startx from tty1 will open X ...
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150 views

Debuggging `Maximum number of clients reached … unable to open display “:0”'

I am running an openSUSE Tumbleweed installation with KDE Plasma 5.4.3 . I tend to use a fair number of programs ( Eclipse, Firefox, Slack, Evolution, Konsole, various java applications ) and after ...
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1answer
835 views

Set up autologin with SLiM

I have installed Arch and am having problems with the auto login options within slim.conf. I have installed the following X packages: xorg-server xorg-xinit xorg-twm, xterm and for the graphics: ...
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1answer
940 views

xorg memory leak

I've read this question but it doesn't seem to be the same issue, as the memory leak there is an order of magnitude smaller than mine and seems to be caused by Nvidia drivers.. Here's my top output at ...
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108 views

intel driver on nvidia optimus laptop not recognizing internal display

I have a ThinkPad W520 laptop with an nVidia optimus display. I recently upgraded my linux system to linux-4.2.5 and nvidia-358 and now I cannot get the internal display to be available for X11. ...
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716 views

Xorg on skylake graphics hangs

I've bought msi gs40 that has intel i7 6700HQ which means integrated graphics hd 530. After a day of struggling I was able to start xorg with HD530. For this I addes i915 to initramfs and ...
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95 views

How does GUI in Unix/Linux actually work? [duplicate]

I am a beginner and I need some clear explanations on the following questions. What is Desktop Environment? What is Desktop Manager? What is Display Manager? What is X window system, server, X11 ...
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2answers
5k views

How to get dual graphic cards working under Linux?

My laptop is Dell Inspiron 5420, with two graphic cards: Intel HD Graphics 4000 Nvidia GeForce GT 630M I took the Thinkpad T400 configuration guide as an example to configure my Linux, but I only ...
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1answer
56 views

Return to GUI from text console with many X11 servers?

I know the thread How to get out of TTY and into X session apparently about similar thing as here, and Command line to return to the GUI after Ctrl-Alt-F1 about chvt. I have Ubuntu 14.04 LTS. I run ...
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176 views

Low resolution caused by No valid modes for “DFP-0” - Mint-17 NVidia

I don't seem to be able to configure xorg.conf to increase my monitors resolution (currently running at 1280x800). I've been working on this for several hours. I'm new at all this, so I can't figure ...
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1answer
228 views

Need help configuring Xorg.conf for 6 monitor Big Desktop

Update: Here are the some things I have attempted when I had some time to battle this. Linux mint is the only distribution which for some reason Randr can see all 6 monitors. I can configure and ...
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20 views

libnvidia-glsi trying to load after NVIDIA kmod removal

On Fedora 23 I removed my NVIDIA kmod package and anything NVIDIA related as I am replacing the card with an AMD card. The radeon driver seemed to go in fine, everything looks good but X crashes ...
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291 views

HD 530 + GTX970 = blackscreen with nvidia optimus

I just bought msi gs40 6qe. This laptop has skylake core i7 6700hq (which means integrated graphic HD 530) and discrete GTX 970. I'm struggling to start xorg on archlinux. I'm trying to run xorg ...
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1answer
76 views

Automatically take screenshot of specific display in X

For creating a time lapse on a system running X with two screens (actually it's one "screen" on two "displays"), how do I take a screenshot of one of the screens? xrandr output is (abbreviated): ...
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2answers
458 views

DP 1.2 / Daisychaining2 Monitors on Linux Mint / XPS13 2015

I'am at the edge of giving up on my dual monitor (daisy chaining) setup with Linux Mint. I'm not quite sure if this problem is specific to Mint. Setup: Dell XPS13 2015 2x Dell U2415 What I ...
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1answer
100 views

How to get information about which display server is running?

I'm using Ubuntu 15.10 and i want to know which display server is running. In first version of Ubuntu it is definitely X server, but recently i got updated my Ubuntu 15.10 and i came to know that some ...
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1answer
86 views

Determine which graphics driver Xorg uses

on a fresh Arch Linux installation i had difficulties with the graphics drivers. In the process i have installed a lot of different drivers to somehow get the display working. Now i need to ...
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1answer
780 views

Arch Linux: gdm gives “Oh no something has gone wrong…”

I recently decided that I will no longer use Ubuntu and give Arch Linux a shot. I did everything according to the Beginner's guide on Arch Wiki, which worked. Next I wanted to install the Cinnamon ...
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1answer
33 views

Why is my mouse pointer keep jumping to the right side of the screen?

My mouse pointer keeps jumping to the right side of the monitor it's on roughly once per minute. I disabled psmouse and usbhid and the same thing happened, so it's probably not a mouse/touchpad ...
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71 views

setting up xorg.conf for LG Flatron E1942

I have a LG Flatron E1942 monitor and I am trying to make it work under OpenIndiana (OpenSolaris). The specific version I am running is using X.Org X Server 1.7.7. I have followed the instructions at ...
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2answers
600 views

2560x1440 resolution over HDMI with a laptop with NVIDIA Optimus and Ubuntu 15.10

I attached a new 2560x1440 display (Dell P2416D) with HDMI to my dual-booting laptop (Asus N56VJ) that has NVIDIA's dual-GPU technology. In Windows 8.1 I got the display to run with its native ...
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1answer
485 views

X server only starts as root

I have an Arch Linux system, stock kernel and drivers. For some strange reason, xinit produces an error when it is started by a non-root user. The logs say this: (EE) parse_vt_settings: Cannot ...
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1answer
493 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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1answer
37 views

Is it possible to have xrandr in different modes based on workspace?

Is it possible to have xrandr at --right-of the screen in workspace1 and --same-as at workspace2? (I'm using openbox) If you interested why i want to do this: I'm having a presentation and i need to ...
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1answer
160 views

Installing Xorg on ASRock AM1H-ITX (Xen DomU Arch-Linux LXQT): startx and no screens

Dom0: Arch Linux DomU: Arch Linux The problem seems to be that the DomU can't find the Video Card. inxi -F (DomU) System: Host: ArkOS_Dev Kernel: 4.2.5-1-ARCH x86_64 (64 bit) Console: tty 0 ...
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3answers
2k views

How to force release of a keyboard modifiers

Sometimes, when I use synergy between my machines when one is using full-screen VirtualBox guest I get stuck with some weird key modifiers turned on. If they exist on my keyboard (like Shift_L) I can ...
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578 views

Laptop Touchpad suddenly not working on Arch Linux

I've been struggling to get synaptic to work properly since installing arch on my laptop about a year ago, and its finally broken completely. I need help figuring out why, as nothing I've done in the ...
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1answer
101 views

Unable to run Sugar on Arch Linux due to PyGIWarning

Installing Sugar environment on Arch. I just installed a fresh Arch Linux just to run Sugar on it. After downloading sugar from AUR using yaourt -S sugar I wanted to run Sugar using sugar-runner ...
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2answers
97 views

How do I get a list of all the available keyboard layouts in X.org?

I know these layouts have two-letter codes like 'us'for the US layout. I need a list of all the layouts available and also to pair the two-letter codes to the proper names of the layout to get the not ...
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3answers
3k views

Arch linux: set keyboard layout to PL

I'm unsuccessfully trying to force my Arch to set pl layout on X start. I've googled for solutions, and I found couple of tutorials/tips but none of them works. My current, keyboard related ...
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6answers
3k views

Invert colours on Dual-Screen / Dual-Monitor setup?

In order to invert colours on monitor, I invoke: xcalib -invert -alter The problem is, that on Dual-Monitor setup it inverts colors only on first screen. I can not use Compitz gadgets for color ...
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2answers
4k views

How to remap the Context Menu key to the Super key

This keyboard has only one super key, so I want to remap the menu key to make up for that.
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239 views

Why does desktop locking stop working after some time?

xautolock is clearly running: $ ps wafux | grep [x]autolock user 21410 0.0 0.0 20124 2628 ? S Nov05 0:04 xautolock -time 10 -notify 30 -notifier notify-send --urgency low ...
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1answer
178 views

CentOS7: remove nvidia-x11-drv-340xx wants to uninstall the whole xorg

I need VNC xorg access to a headless server. So I installed, like I did for a twin one, Gnome and all the stuff. By mistake I had elrepo repository enabled, and when installing gnome I had it ...
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4answers
28k views

startx error when setting up X server on archlinux

I am trying to install X on my archlinux home desktop. I get this error when trying to start it (startx/xinit): [root@computer ~]# startx xauth: file /root/.Xauthority does not exist xauth: file ...
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1answer
41 views

manually redirecting X output through ssh

I have a remote server, on which I am able to log in with ssh. However there is no home directory for my user. When I try to ssh -X to that server, ssh tries to put a cookie into ~/.Xauthority which ...
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1answer
688 views

How do I run Gnome from a systemd-nspawn container in a second X server?

I'm using systemd-nspawn to "boot" a second Linux OS from a USB hard disk. I'd like to launch that OS's Gnome Desktop in a second X server running on the same machine on a different tty than the ...
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69 views

xrandr, xorg test screen error — default seems to be only valid mode

Running Arch Linux, kernel 4.2.5-1, Lightdm 1.16.5, xorg-server 1.17.4-2, nvidia 255.11-4, GTX 780 dual-link dvi out. I have a QNIX Evolution II 2710 and am attempting to overclock it but am running ...
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74 views

Using PRIME hybrid graphics while running Xorg as normal user

I am running Debian and recently updated my Xorg. This seems to have caused the issue that: xrandr --setprovideroffloadsink radeon Intel Crashes the X server with message: xf86EnableIOPorts: ...
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2answers
958 views

How do you configure numpad keys using XKB?

I haven't figured out how you configure XKB to use the numpad yet. I found the following in the "us" file. partial alphanumeric_keys modifier_keys xkb_symbols "basic" { name[Group1]= "USA"; ...
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28 views

Xorg Xserver: query number of screens

How can I query the number of active screens of an xserver from a bash script?
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2answers
2k views

How can I make the screen black and white?

This is basically to transform the screen (of a laptop), into a black and white screen. I am using Ubuntu 13.04.
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75 views

Xrandr handing in Gnome 3

Some time ago I opened this question on SE. In a nutshell, I am running: Debian 8 stable, updated; Intel graphics i3wm, no DE running when I use just i3wm. Also have Gnome for fallback solution (in ...
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6answers
8k views

Screen turns on automatically (xset dpms force off)

I am using xset dpms force off to manually turn my screen off to save power. However, it turns back on after some time (20 - 40 seconds). Distro: Ubuntu-Lucid Graphics: Intel 4500 MHD ...
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1answer
342 views

X broken after upgrade to Fedora 23

I recently upgraded from Fedora 22 to 23 via the dnf plugin, and everything else works fine except for graphics. The fglrx module appears to load okay, but the X server crashes when it tries to open ...
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1answer
1k views

Unlisted screen resolution

On my new computer I have 2 screens connected on the igpu of a i7 processor, 1 using hdmi. the other using dvi. Both screens are the same but the one connected using hdmi has a wrong resolution inside ...