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2
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1answer
148 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 ...
1
vote
1answer
47 views

Cursor disappears after login on xubuntu

A friend of mine has moved to linux recently, but he has had an issue with locking his screen, and logging in. His cursor disappears, but it can still interact with the environment. He says that ...
1
vote
1answer
281 views

Can't enable proprietary nVidia driver on debian 8 with bumblebee

I am running the Debian 8.0 64bit (Jessie, the stable release) on my HP laptop. I am having hard time in installing the proprietary nVidia driver of my graphic card 01:00.0 VGA compatible controller [...
1
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1answer
23 views

How (or is it possible) the Linux desktop X-Server from Terminal under an SU otherusername

I have a simple scenario to demonstrate the use-case for this question Login to Linux as currentuser start bash terminal xauth list $DISPLAY mint/unix:0 MIT-MAGIC-COOKIE-1 ...
1
vote
1answer
242 views

Random crashes on XFCE - how to diagnose what's happening?

I'm on Parabola (a fork of Arch), and I'm running the XFCE desktop environment. However, I periodically get these weird crashes, where my entire desktop freezes. I have no ability to move my cursor (...
0
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1answer
66 views

“Could not connect to display :0.0” — what's the right way to fix this?

I have this error when I try to run an desktop app: No protocol specified QXcbConnection: Could not connect to display :0.0 Aborted I've seen a few question similar to mine but surprisingly they ...
0
votes
1answer
41 views

Xorg Xserver: query number of screens

How can I query the number of active screens of an xserver from a bash script?
0
votes
1answer
40 views

Sound is gone after booting system in text mode

I started using GRUB_CMDLINE_LINUX_DEFAULT="text" grub argument for my boots, and recently noticed that the sound is missing. I start GUI from terminal using startx command, here's my .xinitrc file:...
0
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1answer
461 views

X server crashes on startup with error message “No V_BIOS found”. How can I fix this?

I am running Debian with an ATI Radeon E6760 graphics card and the amd-catalyst-13.12 driver installed. Everything worked fine for a long time. I started the computer with a scientific linux live usb ...
4
votes
0answers
251 views

Start application using xinit on different tty

I'm using Fedora 21, trying the following: On tty1 is running KDE, just as normal. But to speed up my games/avoid them changing something like gamma, I want to run them on a differnt tty, starting a ...
3
votes
0answers
23 views

Ctrl+Alt+F6 to access a linux container?

By default, Ctrl+Alt+F1-F6 lead to a virtual console. A lxc container is running on my computer. How to configure the host so that Ctrl+Alt+F6 goes to the virtual console of the container? ...
2
votes
0answers
317 views

Run multiple XServer instances on the same machine on different processor cores

If I have two separate graphics cards (for the sake of discussion, an NVIDIA Quadro K4000 and Quadro K6000), can I run two separate xserver sessions on two different processor cores, keeping the GPU ...
2
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0answers
98 views

Make mouse side buttons trigger virtual keys

I have a mouse with two side buttons. I've posted the output from xev and evtest for both buttons: xev EnterNotify event, serial 37, synthetic NO, window 0x4600001, root 0x306, subw 0x0, time ...
2
votes
0answers
184 views

setting up nested X sessions with Xephyr properly (and securely)

I am trying to set up Xephyr properly and securely, so that I can run another (nested) instance of LXDE under a different user inside my primary LXDE session. I would like to use this nested session ...
2
votes
0answers
314 views

Startx Segmentation fault error after installing VirtualGuest Additions for Virtualbox

I have been using my backtrack version 5 on the Virtualbox for some time now but I had a resolution problem and after searching found out I better install VirtualGuest additions. However after ...
2
votes
0answers
230 views

So the design of client-server separation is not the bottleneck of X Window?

In the answer of this, it mentioned: People also hear that X uses the "network" and think this is going to be a performance bottleneck. "Network" here means local UNIX domain socket, which has ...
2
votes
0answers
400 views

Xorg and Xserver not starting up after hibernate

I'm currently running Mint 14 on this computer, but it also previously happened with Fedora 16 so I'm guessing it's a general problem with my drivers. The display will not start up after the laptop ...
1
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0answers
24 views

How To Reload xserver After a Change in Keyboard Layout?

I do a change in my current keyboard layout English(US-Dvorak) but it does not react with the following code without changing back-and-forth to another keyboard layout, for xserver reloading # ...
1
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0answers
26 views

Configure XDEC X server for running application in true color on remote X client

I have a DEC Unix v4.0, I want to run application remotely from my Unix, but when i do that, get this error: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of ...
1
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0answers
74 views

Xrandr doesn't scale screen under Cygwin/X and Xming

The preamble: I have a very specific remote X client, that needs fixed resolution. 1280x1024, to say. And my notebook has 1440x900. And Windows aboard. So, the idea is to scale the output of the ...
1
vote
0answers
22 views

Kill specific xsession

I have several xsessions started from several virtual consoles (through <Ctrl>-<Alt>-F[1-7]). I am in the need of closing the xsession, so that I can restart the xsession from the same tty....
1
vote
0answers
49 views

Start from text mode + startx?

I'm trying to boot my Trisquel GNU/Linux distro directly from text mode, as I don't want to load the GUI if it's not necessary. I would like to work in tty1 until I type startx, which would start all ...
1
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0answers
50 views

Remotely start LXDE via SSH

How can I remotely (e.g. via ssh) start lxde on my linux box which has no keyboard and mouse but only a monitor attached to it? I can login via ssh fine.
1
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0answers
40 views

For linux (nixos) xserver using a macbookpro, what can I do to prevent movement of mouse while clicking

I have NixOs installed in my macbook pro. My problem is that the mouse is too sensitive. When I click, the mouse moves slightly, causing the click to happen at a different place. I observe that it ...
1
vote
0answers
112 views

Run script as root after autologin in X

I've got a public PC on which there are: 1 big screen 1 touchscreen, the user can touch it and navigate through a website the website is in fullscreen, right click is disabled and the keyboard that ...
1
vote
0answers
51 views

High GPU usage before starting X-Server

When starting my Debian Jessie, my GPU (ATI 5770) uses a lot of power (it is getting hot), although I am only displaying the terminal. Then, if I start an x-server, the GPU cools down again, also the ...
1
vote
0answers
37 views

X server error due to possible hardware issue?

I am running Linux Mint 17, and have encountered an X server error that prevented the OS from booting, similar to the error described here. Typically, such an error suggests a problem with the ...
1
vote
0answers
209 views

Ubuntu external dual monitors set up problem

I am new to *nix world. I have a Lenovo T440 laptop with Ubuntu 13.10 and looking to dock in its station. I have 2 ASUS external monitors connected to it. Ideally, I am looking to have the display in ...
1
vote
0answers
366 views

disable Xserver logging

Is there a way to disable Xserver logging entirely? My Xserver is set up fine, everything is working, I don't need to troubleshoot it and the logfile is absolutely useless for me. The logfiles are ...
1
vote
0answers
463 views

Installing XBMC/Kodi and X server on FreeBSD

I couldn't find how to install X server and XBMC/Kodi on FreeNAS. So without any opinion if it's good or not, what are the steps to do it?
1
vote
0answers
941 views

Debian 7 - Startx fails to start system

When I boot into the second primary boot loader, I get to the text based console to boot when I type 'startx'. The screen loads, and goes black for 10 seconds. Then when it loads a white screen ...
0
votes
0answers
10 views

Failed to start X server

I had a problem with HDD that lead to the system not booting after fixing that and fixing the boot loader I ended up with a failed to start X server. At boot time I got failed to start X display ...
0
votes
0answers
16 views

Is there a log of a TTY's output?

I've launched xfce4-session via startx on /dev/tty1. The session was operating properly, however, after I woke the computer from a suspended state, the xsession crashed. I was returned to the tty and ...
0
votes
0answers
26 views

xmodmap and mod

I followed the arch xmodmap guide but I still have some question: for every keycode I have 8 entries: normal, shift, mode_switch, mode_switch + shift, altgr, altrgr + shift. Then other two which I ...
0
votes
0answers
378 views

startx fails fedora 23

Under Fedora 23, I cannot start the X server by normal means. How can I fix this? I am aware that there's no shortage of similar problems reported over the years, but so far none of those fixes have ...
0
votes
0answers
90 views

No X11 DISPLAY variable was set, but this program performed an operation which requires it. In running JMETER

I am trying to run the jmeter.sh using ./jmeter.sh but always encountering this error. No X11 DISPLAY variable was set, but this program performed an operation which requires it. i've already run ...
0
votes
0answers
162 views

FBDEV(0): FBIOPUTCMAP: Invalid argument

I am trying to solve a problem with my video output via HDMI, a situation is as follow. I have device (BeagleBone Black) which runs on Debian Jessie 8.2, I developed an application in Qt5 which ...
0
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0answers
583 views

I can't boot up my PC, “MDM: Xserver not found”

I use Linux mint 17.3 xfce, and about ten minutes ago my computer started freaking out, I couldn't use the panel, move windows around, etc, so I decided to reboot my computer, and when I booted it up, ...
0
votes
0answers
26 views

Linux Mint Login Errors

I have had no past problems with linux, but seemingly (to me) at random when I booted up, it went to the login screen, then when I typed in my password it just put my mouse in the center off a black ...
0
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0answers
30 views

May recurring X server issues be a hardware problem?

This is my first time asking a question here. Please correct me if I don't follow the process correctly. I also know that a similar question has been asked here - It was said though that the problem ...
0
votes
0answers
152 views

X server can't open display in Ubuntu

I'm not very familiar with the X server display but I'm trying to use a debugger program called DDD and it needs X server to open up to use it. I get this error when I try to run ddd: Error: Can't ...
0
votes
0answers
17 views

How is Xserver able to tell which device is a mouse or a keyboard?

In these days we don't have to create a custom configuration that sets our devices up, at least when it comes to Xserver. But sometimes you want to change some default parameters. When you do it, you ...
0
votes
0answers
17 views

Remove the hostname in the title bar when running a GUI over X

From a RHEL machine, I'm connecting to another using the following: ssh -X user@remotemachine I then run a GUI application. In the title bar of each window, the hostname is displayed. eg. ...
0
votes
0answers
13 views

How to detect if an application has “grabbed” the X server?

Related to this known xautolock bug + issue: The -disable, -enable, -toggle, -exit, -locknow, -unlocknow, and -restart options depend on access to the X server to do their work. ...
0
votes
0answers
319 views

Xorg problem on Manjaro Linux

I've install Manjaro Linux and after that I've try to install the nVidia driver. After I've install the nVidia driver it told my to run nvidia-xconfig in terminal to reset the xorg server. After I ...
0
votes
0answers
328 views

CentOS hangs after installing CUDA 7.5 + Nvidia 352 driver

I am having a very hard time getting the nvidia driver to work with CentOS 7. I have a GTX 960 which I run my display off of (I also have a GTX 720 which I just use to debug cuda apps but it is not ...
0
votes
0answers
18 views

Running supertuxkart in a separate X server doesn't work as expected

I tried to run supertuxkart in a separate X server (to be able to access my desktop) I ran xinit supertuxkart -- :1 The game launches, but there's no cursor. What am I doing wrong? Running libx11-...
0
votes
0answers
107 views

Xserver is working but not actually drawing on the screen

I'm currently going through configuration hell with my xserver. I'm using nvidia's proprietary drivers and I believe I have everything set up properly: The Nouveau open source driver is blacklisted, ...
0
votes
0answers
280 views

Can't login into the desktop

I can't login into my account "Magicbox". xserver keeps kicking me out of there. I'm not sure what's the issue, but I reinstalled xserver, and it had no effect. Any advice? SPECS: Asus Eee PC ...
0
votes
0answers
615 views

Ubuntu cannot start from terminal

Ubuntu 12.04 By a mistake, I stopped lightdm. Then switched to tty1, and rebooted. Now, After startup, It just came a black screen with a cursor, can type nothing. I tried Ctrl+F1 to F12 (and Ctrl+...