Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [x11]

The X window system (commonly X Window System or X11, based on its current major version being 11) is a computer software system and network protocol that provides a basis for graphical user interfaces (GUI) for networked computers.

0
votes
0answers
13 views

Alt-Grab with Firefox

It is possible to grab regular X clients and move them around by left-clicking on the client while pressing the left Alt key. Same for resizing with Alt-RMB. Firefox clients however seem to completely ...
0
votes
0answers
17 views

Modern replacement for libaosd?

I used to use aosd_cat to write large messages across the screen, like so. It is based on libaosd which is unmaintained for years, and apparently requires equally ancient hacks like "infinality" ...
0
votes
0answers
14 views

Polybar doesn't appear in x2go sessions

When I run polybar example -l trace on the remote side (in both Qtile and MATE), nothing appears and the output is: * Loading config: /home/cyber/.config/polybar/config - config: Copying missing ...
0
votes
0answers
4 views

X doesn't work at boot (using MoBo graphics) but it does work manually

I have a system with two seats, a remote seat using an Nvidia card, and a local seat using the motherboard graphics card (ASPEED chip). The xorg configuration regarding the local seat is the following:...
1
vote
1answer
26 views

How can I find out the X servers (command, or pid) for display numbers?

From https://unix.stackexchange.com/a/17278/674 Local displays correspond to a socket in /tmp/.X11-unix. (cd /tmp/.X11-unix && for x in X*; do echo ":${x#X}"; done) On a computer: $ (cd /...
0
votes
1answer
44 views

Why can't I start a GUI program on the default `$DISPLAY` on a remote ssh server host?

I ssh to a remote host (without X forwarding). In the shell created by sshd on the remote host, why can't I start a GUI program on the default $DISPLAY $ eog Unable to init server: Could not connect:...
0
votes
2answers
97 views

Does a display server start in a display or a screen or a monitor?

https://unix.stackexchange.com/a/503874/674 says The display is effectively the X server; there is exactly one display per X server. So multiple X servers can’t run simultaneously on the same ...
0
votes
2answers
57 views

Forwarding an entire desktop over SSH without third party tools

Something that's always bugged me and I've been unable to find good information on: How can you or why can't you forward an entire desktop over SSH (ssh -X)? I'm very familiar with forwarding ...
0
votes
0answers
8 views

Using xrandr output to re-configure screens exactly as described in the output

Often I need to disconnect my laptop from the external monitor and re-connect some time later. Each time I have to re-configure the other monitor, in particular tell that it shall be used and what the ...
0
votes
1answer
27 views

VNC versus xpra

I was reading https://security.stackexchange.com/questions/120612/x-windows-security-vnc-and-x-server-vs-xpra. In the following scenarios, what protocols are encapsulated i.e. above what protocols? ...
20
votes
1answer
922 views

After `ssh` without `-X` to a machine, is it possible to change `$DISPLAY` to make it work like `ssh -X`?

After ssh without -X to a machine, is it possible to change some settings (for example $DISPLAY) to make it work like ssh -X? If not, what is the reason? Thanks.
0
votes
0answers
7 views

Can an application be workspace or virtual desktop aware?

I'm just wondering if X11 or Wayland provides the ability for an application to be workspace or desktop aware. I'll give you my use case, I'm using a utility called projectM this is a visualization ...
0
votes
1answer
27 views

CentOS 7 SDDM can't click GUI with mouse

I ran a fresh Minimal install of Cent OS 7. When finished, I run this command to get the GUI setup: yum -y install epel-release;yum update -y;yum groupinstall "Xfce" -y;yum -y groupinstall X11;echo "...
0
votes
0answers
13 views

How to start KDE application launcher manually outside (independent of) Plasma desktop?

I am operating some remote Linux boxes via X11 over SSH in multi-window mode. The remote boxes have a lot of KDE and other graphical applications installed, but neither X nor Wayland. I am operating ...
0
votes
0answers
26 views

Accessing GPU and drawing on screen without X11

Is there a way to access the GPU, and draw directly on a screen, without passing through a windowing server like X11 or Wayland. For example to get an OpenGL renderbuffer, and write into it using ...
1
vote
1answer
20 views

Linux Mint with AMDGPU, Monitors drop signal after Mint boot animation

I installed Linux Mint MATE 19.1 and installed the AMD MESA 18.x+ drivers as shown in the Wiki (adding ppa:paulo-miguel-dias/pkppa and upgrading). Here are my specs/setup: Make/Model: Dell PowerEdge ...
3
votes
1answer
28 views

Permanently change xkb keybindings?

I have a custom keyboard layout located in /usr/share/X11/xkb/symbols/us. Every time an update happens, this file is updated to the standard keyboard layout. Is there either a way to change this ...
0
votes
1answer
23 views

Gentoo is missing X bitmapped fonts Helvetica, Times, Georgia

I'm installing Gentoo for the first time and I've noticed that all bitmapped X fonts except Misc are missing. For instance, I type xlsfonts | grep -i helvetica and it is not there, nor is times, ...
-1
votes
1answer
51 views

What is the relation between X server and display?

What is the relation between X server and display? Can multiple X servers run simultaneously on the same display? Can a X server run simultaneously on multiple displays? Thanks.
-1
votes
2answers
53 views

My Lubuntu install has no manual entry for X; what do I need to install?

I was wondering what I need to install in Lubuntu 18.04 for this problem? $ man X No manual entry for X See 'man 7 undocumented' for help when manual pages are not available. $ man x No manual entry ...
0
votes
1answer
109 views

What are X server, display and screen?

From https://unix.stackexchange.com/a/17278/674 If you run ssh -X localhost, you should see that $DISPLAY is (probably) localhost:10.0. Contrast with :0.0, which is the value when you're not ...
-4
votes
1answer
54 views

Does “user” interact with “hardware” or “graphical interface”?

In https://en.wikipedia.org/wiki/Display_server, does "graphical interface" mean clients of display server? shouldn't "user" interact with "hardware" instead of "graphical interface"? If not, how ...
0
votes
0answers
31 views

How to block shell script until new background image is set AND displayed?

I ran this as a test to check if feh blocks util the background changes then exits/returns, turns out it doesn't (because only pic2 gets displayed as background, pic1 flashes for milliseconds ...
0
votes
0answers
30 views

x11 forwarding not working

I'm having trouble getting x11 forwarding when I ssh into two different linux machines from a MAC operating Mojave. When I do ssh -X username@serveraddress, I get the following error appearing after I ...
0
votes
1answer
60 views

Starting just an X server on a minimal installation

I need to run a program that I haven't developed, the issue is that even if it doesn't run any GUI interface (can be used on silent mode) it still requires an X server running because of the way it's ...
1
vote
0answers
39 views

Start headless X server as non-root user

Trying to start headless X server (driver "Dummy" from package xorg-x11-drv-dummy) as non-root user from ssh session on Centos 7 machine with command like $ nohup Xorg -noreset +extension GLX +...
2
votes
1answer
33 views

xorg .conf file remaps buttons for all devices, not just the one specified

I have a stylus pen with a button on the side. This button sends a middle click event, and I'd like it to send a right click. Here are my input devices: $ xinput ⎡ Virtual core pointer ...
0
votes
0answers
18 views

X11 can run on ereader via ssh -X, but unable to use the touch-screen as the main display

I have successfully accessed X11 on a nook touch via ssh -X and started lxsession on a debian chroot. I tried being clever by making use of the omapflb driver. My intentions are to be able to use ...
0
votes
0answers
24 views

Gnome - Android Studio completely blank screen on Centos 7

I installed Android Studio to my CentOS 7 (7.6.1810) When I open android-studio, all I am getting is blank screen as can bee seen in the screenshot below; I have tried many thing to fix this issue ...
1
vote
0answers
51 views

Getting x11 to start on ereader already running a Linux Distro independently on sdcard

I burn a customized recovery image onto a sdcard that gives me ssh and adb access over wifi. I mount the sdcard and successfully get into the Linux Distro image. I enter these commands over adb on ...
0
votes
1answer
34 views

Hide client hostname (Docker container ID) in title bar with remote X server connection

When running a GUI app in a Docker container I'm mapping the X11 socket to give the application access to the X server on the host like so: docker run -v /tmp/.X11-unix:/tmp/.X11-unix my_image The ...
0
votes
0answers
16 views

Error in io.elementary.greeter

I am using archlinux. When using io.elementary.greeter with lightdm the screen remained black. You can start the virtual terminal, but it will be returned to the black screen immediately. As I saw ...
0
votes
0answers
19 views

Kubuntu 18.04 switch user replaces current user instead of starting a second session

I am running Kubuntu 18.04 on a laptop (pretty much out of the box defaults at the moment) and have multiple user accounts set up. I want to be able to login to several accounts at once and switch ...
0
votes
1answer
33 views

ls don't display correct color with bold in xterm [closed]

I use xmonad with xterm, seeing picture below. It displays color in xterm but ls cannot display correct color with bold font. What is showing now: My Xresources is a copy of solarized/xresources. ...
0
votes
1answer
34 views

Can't Run xvfb @ 16:9 on MATROX MGA-G200

Capturing server screen configured as follow, the screen capture occurs but the ratio captured is not 16:9, is that due to video card ? Did : cvt 1920 1080 60 xrandr --newmode "1920x1080_60.00" ...
0
votes
1answer
32 views

Uniquely identify DP monitors for use in xrandr

I have 2 monitors plugged in via DisplayPort*, named DP1 and DP2. I configure them next to each other like this: xrandr --output DP1 --pos 0x0 --output DP2 --pos 3840x0 Problem: Sometimes, they are ...
2
votes
1answer
74 views

Arch Linux - KDE Keyboard layout

I need my keyboard layout set to the portuguese layout, and it has been set for weeks, out of nowhere it stopped working. I have it set to pt on KDE and localectl, on TTY it works, on KDE it uses ...
1
vote
1answer
42 views

Is wine server a client of X server?

Is wineserver a client of X server? I run some Windows GUI programs via wine, but xlsclients | grep -i wine returns nothing. How are the windows of the Windows GUI programs created then? ...
1
vote
0answers
79 views

“Maximum number of clients reached”

On Lubuntu 18.04 $ evince my.pdf Maximum number of clients reachedUnable to init server: Could not connect: Connection refused Cannot parse arguments: Cannot open display: $ wine PDFXCview.exe my....
1
vote
0answers
15 views

Use trackball for horizontal and vertical scrolling

I have a trackball mouse and want to extend the scrolling capabilities. Because the horizontal scrollwheel is very limited, I thought about using the trackball for scrolling when pressing a particular ...
0
votes
1answer
90 views

X11 over SSH OpenGL not working

I have an Odroid XU4 arm Linux PC(Ubuntu mate 18.04) with glxgears and I have a Ubuntu 18.10 pc. I want to run glxgears on my odroid arm pc, but have the OpenGL commands send to mu Ubuntu 18.10 pc(so ...
2
votes
1answer
85 views

How can I enable graphics on local macOS from remote Linux using SSH?

host: Ubuntu 64-bit local: macOS 10.13 64-bit I'm attempting to run a program on a remote Linux machine through ssh, and I want the GUI to appear on my local macOS laptop. When I execute ssh -v -X ...
0
votes
0answers
39 views

Why do I keep my SSH connection, after suspending, if I have a window open on the server?

I've noticed this strange behaviour. Everytime when I'm connected to a remote machine, using SSH, and want to go away from my machine (for lunch, for example), I suspend it. And when I type in the ...
0
votes
1answer
39 views

Unable to remap CapsLock key on AwesomeWM with iBus-Mozc

I'm trying to remap CapsLock to Ctrl, but seems unable to remap in all ways. Also, the key has a strange behavior. First, I use japanese keyboard. Therefore, XKBLAYOUT = "jp" in /etc/default/...
2
votes
0answers
64 views

Headless Server? [closed]

I am running Nessus on a closed network. My OS is Redhat 7.4. I have Bare Metal machines in my data center and Virtual Machines on AWS. When Nessus scans my Bare Metal machines, it correctly ...
0
votes
0answers
46 views

Remap capslock key to tab with setxkbmap

I was trying to remap the <Capslock>key to the <tab> key, after some research I found out I could do; setxkbmap -option ctrl:nocaps Which maps the <Capslock> key to <Ctrl>. ...
1
vote
1answer
58 views

How to map extra mice buttons with Linux nicely in 2019?

I use Debian 9 (aka 'Stretch') x86_64. $ uname -a: Linux mypc 4.9.0-8-amd64 #1 SMP Debian 4.9.130-2 (2018-10-27) x86_64 GNU/Linux Tried to map my extra button from my device, Logitech MU-007 :...
0
votes
0answers
22 views

From Internet access single application via VNC like

I am wondering what are my options to access one single gui application remotely, rather than full desktop, as VNC does. Also lag is an issue. Any other way to make remote VNC, super responsive-- may ...
11
votes
3answers
1k views

How to release keyboard and mouse from grab by a hung unkillable app? [duplicate]

Suppose I have an X application, which grabs keyboard and mouse as its normal mode of operation (e.g. QEMU), but which, due to a bug somewhere, hangs really hard (e.g. gets stuck in Disk sleep). ...
1
vote
1answer
46 views

What does _NET_ mean on X11 window properties?

As a follow up to this question, what does the _NET_ mean in X11? From this answer (by me) it seems i3 takes _NET_x to be a superior form of x. But unlike the definition of the non-_NET_ props, I don'...