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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.

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How to run puppeteer in Docker on VPS and connect to display server to local machine?

I am running a puppeteer-controlled chromium instance inside of docker on a remote server. For a specific operation, I need to be able to interact with the page that is opened by puppeteer. This ...
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Yocto “Failed to run qemu: Could not initialize SDL(x11 not > available)”

So I've got Yocto on a local build server, coz who wants that massive build chewing up their workspace amirite? Host and Server are Arch Linux 4.19.44-1-lts Anyway I am just running up the example ...
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Can USB devices be used with X11 over the network?

I'm considering running an X11 client on an existing server, and then having a thin 'client' (X11 server) on a Raspberry Pi or similar, as a development environment / general computing. However, ...
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SDDM not starting WM after login of NIS-User

I have a system setup to get its users via NIS/yp from our accounts-server. Logging in via tty is not a problem and works perfectly. From there, I can also run startx just fine, so the WM starts. ...
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57 views

X Window System in Linux [on hold]

What is X window system in linux ? How it is relatable to GNOME and KDE GUI enviornment ? I mean what is the relation between them ? Is X window system and GNOME are same or what ?
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24 views

run command over ssh on originating machine

I have a local machine nostromo running an interactive cinnamon desktop on debian testing. On it, I have gnome-terminal running with an ssh terminal open to a remote machine sulaco. I would like to ...
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i3: multiple displays; having some “resistance” from mouse pointer when crossing display

Can X or i3 in particular be configured so that the mouse would not jump immediately to the next display but would require some sort of "time and force" to take place, so that it would be easy to drag ...
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34 views

how to know the geometry of a window, while resizing?

It was last century, I do not remember what we used at the department, some basic X-server running XWindow, or Motif, and while resizing a window, we would see a small widget centred in the window, ...
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1answer
33 views

What's the downside to “TearFree” with intel graphics?

There is an option for Intel graphics to disable screen tearing under X11. It can be enabled by configuring xorg with a stanza like this, Section "Device" Identifier "Intel Graphics" Driver ...
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10 views

debootstrap chroot x11 cannot open display 0 no protocol error

after installing a chroot, I found trouble when connecting to x11, I would think this was a normal use case but coudln't find anything specific about this use case # debootstrap stable /srv/stable/ .....
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9 views

Centos 7 XRDP Android Studio Blank Screen

It's similar to this question: Gnome - Android Studio completely blank screen on Centos 7. I have tried GNOME & KDE two different desktop env to open XRDP session, but got the same result. I ...
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1answer
39 views

How to disable mouse acceleration on Debian?

I tried to navigate here: /usr/share/X11/xorg.conf.d/90-mouse.conf/ But in this directory is no 90-mouse.conf How do I disable mouse acceleration?
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22 views

Non x11 apps over x11

I am seeing odd behavior on my X11 server on CentOS 6. X11 Forwarding works as you would expect. I can ssh (with -Y or -X) from CentOS 6 and launch & display xclock, but I can’t do the same for ...
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18 views

Button scrolling only as a fallback?

I am using a Thinkpad with a Trackpoint. By default on my system, libinput is configured to use button scrolling for the trackpoing, as configured by xinput set-prop 14 "libinput Scroll Method ...
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15 views

Solus - Fails to record my screen properly (It records but statically)

When I start to record my screen (using both OBS and SimpleScreenRecorder), it only records the initial screen when I start the recording and it only records the pointer movement and its changes. It ...
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30 views

Can I target the source xinput device when requesting input?

Sticking a yubikey in my computer I see, $ xinput --list ... ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [...
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31 views

Fix Nvidia Breaking Xvfb?

I was using Xvfb again after having swapped my AMD gpu with a NVIDIA one, the result was rather annoying, i can no longer use Xvfb as it just crashes as soon as i launch it, Resolution doesn't seem to ...
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27 views

Multiple Xsessions on 1 computer

Currently i use i3wm on ubuntu, and docker to run my applications. I like discover other Linux distributions, and split my enviroments to write specific configuration for each projects or ...
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103 views

Nvidia card is not recognized by xorg

I have laptop with both discrete (GTX 1050) and integrated graphic cards. lspci gives this: ▶ lspci | grep -E "VGA|3D" 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile) ...
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23 views

Is there a power manager for text consoles?

I use XFCE on my laptops. When I'm working inside X11, xfce4-power-manager works well, and the system goes to sleep after 15 minutes of inactivity. But when I switch to a Linux text VT (i.e. by ...
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26 views

Default font for generic X11 applications

I am using a FE software (Abaqus) on either Centos 7 Mate or Ubuntu 18.04 LTS Mate. I think the program uses the default X11 font for the menus and the console window, they cannot be controlled from ...
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22 views

Installing Xcompmgr without sudo, admin, or root acess

So basically I need to install and run this thing called Xcompmgr (https://wiki.archlinux.org/index.php/xcompmgr) for my program. However as stated in the title I don't have access to certain commands ...
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Why doesn't glxgears show up in xlsclients?

$ glxgears -display :1 No protocol specified Error: couldn't open display :1 $ glxgears -display :0 288 frames in 5.0 seconds = 57.491 FPS 292 frames in 5.0 seconds = 58.308 FPS ... While glxgears ...
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85 views

XCompose multiple characters: ¯\_(ツ)_/¯

In my ~/.XCompose, I have this line: <Multi_key> + <3> + <3> : "¯\_(ツ)_/¯" # Shrug. Which sadly, does not do what I want. Since only the first characters of the shrug is used. Can ...
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Display ID changing without obvious reasons on Ubuntu ARM kernel

I have an application which requires DISPLAY variable to be set. On startup, usually echo $DISPLAY returns :1. Today, without any apparent changes, DISPLAY remained unset after startup and pygame ...
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29 views

X11 Forwarding Terminates Without Error

I am trying to execute an application on a remote Solaris 11 machine using Xming and X11 forwarding, however when attempting to connect with X11 forwarding using plink the connection succeeds but ...
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How to uninstall or remove recently-installed packages

I installed the development packages for X11 today and now want to remove them. I do not remember the exact name of the package that I installed. I installed by running apt-get install ... and now ...
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confusions on xinput query-state outputs

When I run xinput query-state on something such as a power button, it returns 247 keys. Shouldn't it just be a single button? I read something online about acpi that explains this, but I am not sure I ...
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25 views

Excluding a Portion of a Monitor from the Desktop

My monitor supports configurable pictute-in-picture. I like to keep my Linux desktop connected to the main mDP input, with a second machine connected via HDMI shown as PIP in the bottom-right corner. ...
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1answer
35 views

X11 and pygame in Crontab

I have a script very similar to the one at the end of the pygame example page, and I want to run it on startup to make the whole thing listen for commands on startup. I ran "crontab -e" and as a first ...
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problems initialing anaconda-navigator

Problems for open anaconda navigator, message Invalid MIT-MAGIC-COOKIE-1 keyqt.qpa.screen: QXcbConnection: Could not connect to display :0.0 Could not connect to any X display.
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Virt-viewer fullscreen with 2 monitors in dwm or i3

Is there a way to start virt-viewer -f domain in DWM or i3 so it automatically fills all (2 of) my monitors as it does in gnome? When I try now virt-viewer open both screens on 1 monitor on top of ...
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xorg-x11-server-common still needed?

xorg-x11-server-common Internet services that are not required for system or application processes must not be active to decrease the attack surface of the system. X Windows has a long history of ...
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1answer
85 views

How to use system tray with X11 forwarding?

I'm using X11 forwarding to use GUI apps from my headless remote server. Everything was fine until I needed to use a program that needs system tray. Program needs a system tray to work correctly ...
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1answer
80 views

In X11 SSH forwarding, keyboard isn't working properly (Only Ctrl + .. and numeric keypad works!)

I'm using Ubuntu 18.04 desktop at the office. In order to work with server, we're required to connect to a remote Windows 8 machine, and then open SSH connect to an Ubuntu 16.04 server from here. ...
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28 views

System tray support in wayland

I wanted to know the state of system tray support in wayland. Is there a programming guide similar to the one for x11 for wayland?
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1answer
66 views

Running an X11 application on a KVM guest so it displays on the host system

Is there an easy way of running an X11 application on a KVM guest system the way that it is displayed on the host system? I know I can ssh to a guest with X11 forwarding, but I am wondering if there ...
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GNOME issues on a laptop with Nvidia GEForce graphic card

I have installed CentOS 7 on dual boot on an 10ish-year-old Toshiba Qosmio laptop which came with Windows 7. I did the minimal install, yum update, then installed the "GNOME desktop" group package ...
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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 ...
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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" ...
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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 ...
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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:...
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37 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 /...
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1answer
68 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:...
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129 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 ...
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192 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 ...
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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 ...
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1answer
135 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? ...
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1answer
994 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.
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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 ...