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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6
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5answers
2k 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 ...
-1
votes
2answers
72 views

Run GUI Java jar on system boot Lubuntu

I have a PC which runs Lubuntu 14.10 without a monitor. The user is autologged in. I have created a Sysvinit script and installed it on /etc/init.d. My script amongst other things, starts a jar file ...
0
votes
1answer
533 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" ...
1
vote
1answer
30 views

Is (wayland's) libinput something new, i.e., not related to X.Org server?

Having read http://www.freedesktop.org/wiki/Software/libinput/ which states libinput is a library to handle input devices in Wayland compositors and to provide a generic X.Org input driver. It ...
2
votes
1answer
868 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 ...
0
votes
1answer
131 views

gnome-classic as default session for all users?

How to set gnome-classic as default session for all users in gdm3 (system-wide setting)? I'm using Debian Jessie with GNOME 3.12. I've tried creating fake gnome.session in ...
4
votes
2answers
6k 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 ...
2
votes
2answers
208 views

What is freezing my desktop every second (like clockwork)?

Recently, after using my desktop machine for a day or so, the oddest thing will start happening: Every second, the desktop will briefly freeze, then continue, like a heartbeat. The interval is one ...
2
votes
0answers
27 views

Making a touchpad without buttons like a normal touchpad with buttons

Assume a synaptics compatible mousepad that has no physical buttons, but where the whole surface is physically clickable (not a tap, but physically clickable). A particular touchpad with these ...
0
votes
1answer
126 views

Type some text with xdotool independently of the keyboard layout

The command xdotool type "hello" can be used to type the word hello. But only if the keyboard layout is not English, otherwise it will type something else. How can I solve this problem so that ...
1
vote
1answer
46 views

GNOME prevents high resolution VGA without EDID info over VGA

I recently bought a KVM switch, consisting of a VGA switcher and switchable USB hub. This switch however, does not pass EDID info from the connected display to either of the two connected computers. I ...
0
votes
0answers
78 views

Intel HD 4400 external display with linux

I'm having a Thinpad T440s with Intel HD 4400 graphics chip. The internal display works great. While an external monitor connected via Mini Displayport stays black. XRandR recognizes multiple outputs ...
0
votes
1answer
33 views

Left click not working on Ubuntu 12.04 LTS

My mouse left click stop working after few mouse clicks. I have used certain commands in terminal to get it working but that doesn't work. Those commands are: sudo apt-get install ...
2
votes
1answer
43 views

how to start into the x window server from linux mint ? [closed]

what do i have to do in the terminal in order to switch all the frontends of the xserver off, just to have the x window system running without any window manager or desktop environment?
1
vote
0answers
37 views

Get X's configuration

I have done some tests with 2 NVIDIA cards (not in SLI) and 4 monitors, with nouveau drivers. Debian 8 testing and Arch are not able to use the 4 monitors at the same time, but somehow Fedora 21 is ...
3
votes
3answers
2k 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 ...
4
votes
0answers
56 views

Multiseat with one card and two Xorg instance

Is it possible to set up a multiseat environment with one graphic card and two Xorg instances? That is, one machine with a monitor/keyboard/mouse for the first Xorg instance and a second ...
1
vote
0answers
56 views

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 ...
1
vote
1answer
61 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 ...
1
vote
1answer
960 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 ...
4
votes
0answers
314 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. ...
0
votes
0answers
15 views

What happens in the operating systems when I connect monitor to a VGA port?

I would like to study the behaviour of the Linux operating system when I connect monitor to a VGA port. What exactly happens inside the OS and the Window Manager, which parts of it are responsible for ...
3
votes
0answers
98 views

How to setup x11 touchscreen in linux desktop?

I am using opensuse desktop with two screens, top and bottom. Only the bottom screen is touchscreen, which is USB touchscreen. Both monitors are used as a single screen. I tried to configure the touch ...
0
votes
0answers
108 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 ...
1
vote
1answer
341 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, ...
1
vote
1answer
79 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 ...
2
votes
3answers
73 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 ...
0
votes
0answers
27 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 ...
1
vote
0answers
12 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, ...
1
vote
1answer
72 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 ...
0
votes
1answer
18 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 ...
0
votes
1answer
46 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).
1
vote
0answers
28 views

Where to Calibration data

where can I find calibration data/setting stored in Ubuntu.
8
votes
2answers
281 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 ...
4
votes
2answers
206 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 ...
1
vote
1answer
62 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 ...
4
votes
1answer
149 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 ...
0
votes
0answers
112 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. ...
2
votes
0answers
148 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 ...
22
votes
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 ...
2
votes
0answers
27 views

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 ...
1
vote
0answers
61 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.
8
votes
6answers
2k views
1
vote
1answer
878 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 ...
4
votes
1answer
155 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 ...
0
votes
0answers
32 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 ...
16
votes
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 ...
0
votes
0answers
86 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 ...
1
vote
1answer
72 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 ...
1
vote
1answer
167 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 ...