The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
0answers
21 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
21 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 ...
4
votes
1answer
36 views

switch window manager while running

Years ago (around 2000) I saw a guy at a Linux meeting do an amazing X-windows trick which I've never seen repeated since. While he was logged into his default window manager (let's say Gnome), he ...
3
votes
2answers
38 views

Why do I keep getting a “cannot connect to X server error”?

I am using the FLIR camera with my Raspberry Pi and running it on a Raspbian destro of linux. I've followed the instructions on the Github page perfectly when trying to setup the raspberrypi_video ...
1
vote
1answer
16 views

Check which display an application is using

The machine I'm working from has many active X displays (one standard X server and many VNC displays). It is also running a handful of GUI applications, which appear on an X display. Assuming I have ...
0
votes
1answer
67 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 ...
3
votes
0answers
24 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? ...
1
vote
1answer
33 views

How to Run `reinstall xkb-data` for Broken Installation in Live USB?

I would like to run the following command for the installation that has broken /usr/share/X11/xkb/symbols/us. Editing the file, restarting, just puts the false parameters there back again and again. ...
1
vote
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
vote
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
vote
1answer
49 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
47 views

Increasing a Volume

I used Gparted Live cd to resize a volume group and logical partition when i reboot and try to use lvextend –l +100%FREE /dev/vda5 i get this message : Path required for Logical Volume "–l" ...
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
1answer
131 views

Remote headless streaming of GUI from Linux: X says “No protocol specified” before login

The goal: I want to stream video (i.e., to Twitch) of the graphical output of a Java program I'm running on a headless Linux box. I also want to be able to start this up remotely and without a ...
1
vote
1answer
49 views

NixOS: Screen connected over USB-C stays black

I've got a Dell XPS 13' (9350), with a Dell USB-C to HDMI adapter, connected to a screen. I'm running NixOS with XMonad. The screen (set to HDMI input) shows "no input signal" despite: xrandr ...
1
vote
0answers
75 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 ...
0
votes
0answers
380 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 ...
1
vote
0answers
21 views

Simultaneous X Users on same machine [duplicate]

I've seen a few Questions for this but can't find anything useful or recent. Is it possible to have 2 people physically sat at a linux box logged with separate monitors/kb/mice? I've had to work ...
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....
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
163 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
votes
1answer
60 views

Direct Xorg/Xserver manipulation without Desktop Environment

I'd like to create a GUI kiosk application, and ideally avoid the need to install a desktop. Is it possible to use Cairo/OpenGL to generate graphics in an application launched from the console ...
0
votes
0answers
586 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
votes
1answer
32 views

Maximize Window without Window Manager?

If I want to run GUI software on my Linux machine, I can do it without a window manager, but I can not discover a way to maximize the window. Is there a reliable way to maximize a window in an x ...
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 ...
4
votes
3answers
2k views

How to disable X server autostart in Debian Jessie?

I have a remote machine running Debian 8 (Jessie) with lightdm installed. I want it to start in no-GUI mode, but I don't want to remove all X-related stuff to still be able to run it though SSH with ...
0
votes
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 ...
1
vote
1answer
283 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
vote
0answers
24 views

Create a daemon to be started with XServer [closed]

I am working in Ubuntu 14.04. I need to create a daemon that will start when XServer is launched and waits for certain commands from another daemon after display manager is up. Up on receiving the ...
1
vote
0answers
51 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.
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 ...
-1
votes
1answer
59 views

Have Raspberry Pi and Server occasionally ping each other to check status

Is there a way to have my Raspberry pi and my Server occasionally ping each other to check that they're still online, and if not, then email me to tell me? For example if my Pi pings the server every ...
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. ...
1
vote
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
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
0answers
113 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
1answer
134 views

How to stop a second xsession on display :1

All the Google results give information about how to start a second xserver, or recommend stopping the display manager, However I don't wish to close all my displays, just the non-primary ones, ...
2
votes
1answer
1k 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 ...
1
vote
1answer
129 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 ...
0
votes
1answer
42 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
195 views

How to test bandwidth and latency over ssh with X11?

I am working remotely on a machine using X11 trusted forwarding with 'ssh -Y`. How can I test the latency and bandwidth between me and the server?
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
2answers
680 views

import: unable to open X server `' @ error/import.c/ImportImageCommand/361

I am trying to run a python script to generate heatmap and clustering dendrogram. But I got an error message saying : import: unable to open X server @ error/import.c/ImportImageCommand/361 I am a ...
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
3answers
486 views

'Couldn't connect to display “:0.0”' error on Cygwin

I'm trying to run tclsh with tk and I get a display error: no display name and no $DISPLAY environment variable Then I try the following: export DISPLAY=:0.0 And of course it says it couldn't ...
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 ...
1
vote
2answers
3k views

Xvfb -screen --> Cannot establish any listening sockets - Make sure an X server isn't already running

I wonder, why isn't this working? $ screen $ Xvfb -screen :1 1024x768x16 & [1] 17540 $ _XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed _XSERVTransMakeAllCOTSServerListeners: ...
0
votes
1answer
328 views

Ubuntu Server monitor goes to sleep in 10 minutes [duplicate]

Is there a possibility to disable the monitor sleep in Ubuntu server 14.04? After 10 minutes my monitor goes to sleep. I've already tried several options, from http://superuser.com/questions/152347/...