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Questions tagged [x11vnc]

For questions about x11vnc, a VNC server for real X displays.

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Problems with vncserver and/or vncviewer (black screen) - SuSE linux

I want to connect to my office PC from my home PC via VNC. I ssh'd to my office PC with ssh keys and start a server: "vncserver :2 -SecurityTypes=none". Then logout and start the viewer on ...
Uwe Nass's user avatar
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0 answers
46 views

Unable to log in to a Ubuntu remote server from a Mac client using VNC after screen lock

I can log in and use a remote Ubuntu-20.04 server from my MacOS-13 client. If the screen is left idle for X mins, it locks itself up. However, I am unable to log in back into the same session and the ...
SKR's user avatar
  • 83
1 vote
1 answer
1k views

x11vnc password check failed

as far as i can tell, everything is configured correctly. the service file is as follows: [Unit] Description=Start x11vnc at startup After=multi-user.target [Service] Type=simple ExecStart=/usr/bin/...
WhiteRau's user avatar
  • 235
0 votes
1 answer
45 views

sdl gui based app on remote connection via x11vnc

am trying to open sdl gui based program in freebsd system from remote connection via x11vnc. there is no display connected to the pc therefor i used a dummy driver. keep getting this error libGL ...
arck port's user avatar
1 vote
1 answer
523 views

How to launch Kitty "inside" a wsl kali win-kex instance?

a newbie here. I just installed kitty on wsl kali-linux, I am using win-kex to use a GUI. When I launch kitty opens on another window "outside" the winkex instance: like a Windows app. So, ...
kapichy97's user avatar
1 vote
1 answer
635 views

Trouble getting TigerVNC working with current X11 session

I have a remote PC with a RTX600 GPU and nVidia drivers on Fedora 36 with two physical monitors attached. I'm trying to remote into the current X11 session but getting strange behavior. I'm using ...
Geordie's user avatar
  • 111
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0 answers
23 views

Why is VNC server greatly sluggish when it is not plugged into a monitor? [duplicate]

Introduction I have a small Intel "NUC" computer running Mint LTS 21.1. The computer has 4GB of RAM, and runs an internal mSATA drive. On boot it starts up the desktop immediately i.e. there ...
halfer's user avatar
  • 169
2 votes
0 answers
21 views

system call poll for /tmp/.X11-unix/X1 takes too long

I have a GUI program that takes too long to respond, so I used strace -T to report all its system calls. I find the reason causing the program slow is poll costs too much time. For example, the ...
Simon's user avatar
  • 170
1 vote
0 answers
347 views

X11 multiseat configuration

I am trying to achieve a Windows-like multiseat effect on my Linux machine with Xorg. My goals are: Each user has a single graphical session where they run their graphical applications. They can ...
Yuuta Liang's user avatar
2 votes
0 answers
321 views

X11VNC Create X Server On N Display

I want to create a X11 display with X11VNC on specific display without resorting to -env X11VNC_CREATE_STARTING_DISPLAY_NUMBER=31, rather I want to specify N display and have it created appropriately. ...
Abszol D's user avatar
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0 answers
239 views

X11/VNC mouse pointer jitter

I have the following setup: From Windows, I connect to a VNC server initialized in a CentOS 7 machine under network A. Inside this VNC session, I have a terminal from network B that had its display ...
João Paulo's user avatar
0 votes
1 answer
128 views

Forward VNC data from remote pc to server to avoid multiple connections into the remote pc

I have a remote pc under a 4G router and in the other hand a server with optical fiber. Both run on linux. What I want to achieve is to share the display of the remote pc but avoiding all my clients ...
Héctor's user avatar
  • 278
0 votes
1 answer
663 views

How to use google chrome into novnc or localhhost

FROM ubuntu RUN apt-get update && apt-get install firefox -y && groupadd -g 1000 ubuntu && useradd -d /home/ubuntu -s /bin/bash -m ubuntu -u 1000 -g 1000 USER ubuntu ENV HOME /...
Rahul's user avatar
  • 11
1 vote
1 answer
8k views

X11VNC - connection failed due to incorrect password even though password correct

Running Xubuntu 20.04 as VM on top of Ubuntu Server 20.04 with bridged interface. I am able to connect to the VM via SSH (also using Putty on Windows 10 machine that will access the VM). Using ...
rbaleksandar's user avatar
1 vote
1 answer
3k views

novnc for linux docker - x11vnc returns: XOpenDisplay failed (:0) *** x11vnc was unable to open the X DISPLAY: ":0"

I was following the steps from this link- Kali In The Browser (noVNC) I have installed kalilinux/kali-rolling on docker and running the commands. When I execute the command x11vnc -display :0 -...
Rahul's user avatar
  • 11
0 votes
0 answers
2k views

File transfer via xRDP, Windows <=> Linux

Setup We currently have up and running the following setup: "Windows PC" | "Linux PC" ----------- | ---------- | RDP-Client ===|==> [xRDP] ==> [X11VNC] ==>...
Seven's user avatar
  • 103
2 votes
1 answer
2k views

Can launch Vncserver GNOME Desktop Session from CLI, but get "Oh no! Something has gone wrong!” when using a Startup Script or Systemd

Posting this because I've seen a lot of similar posts in searching for a solution, but no solution. The issue is that I can launch a vncserver session to create a GNOME desktop by issuing a command in ...
The Roark's user avatar
  • 129
0 votes
0 answers
474 views

How to improve XVFB display quality

I am currently running chrome on AWS Linux servers with this Puppeteer and XVFB setup. I also built a little chrome extension that handles the recording with MediaRecorder and chrome.tabCapture. It's ...
Olamilekan Ibrahim's user avatar
0 votes
1 answer
712 views

Mouse doesn't work on xvfb

I am on ubuntu 18.04 (sadly, because of external considerations - EC2). I run the following lines: sudo /usr/bin/Xvfb :0 -ac -screen 0 1024x768x24 & /usr/local/bin/x11vnc -dp -noxdamage -geometry ...
user2679290's user avatar
1 vote
2 answers
2k views

How to configure default DISPLAY variable on gdm for x11vnc to work (changed in CentOS 8 from CentOS 7)

Problem: GDM/KDE is defaulting to use DISPLAY :1 instead of DISPLAY :0 in CentOS 8, and I want it to use DISPLAY :0 like in CentOS 7. This is affecting x11vnc and causing more of a headache to VNC ...
Spartan Scrub's user avatar
2 votes
1 answer
8k views

How can I set up x11vnc to start on boot, with lightdm?

I have an X server all configured and running with LightDM and GNOME desktop. I have x11vnc installed to access the X server. I open a terminal in GNOME and run x11vnc. This gives me VNC access to the ...
Lennon McLean's user avatar
1 vote
1 answer
5k views

Multiple dummy monitors on remote headless Linux for VNC to local multiple monitors

I submit defeat. I have been trying to configure my remote Linux box to have two dummy monitors so that I can use multiple local monitors to VNC into it. I'm surprised that no one else has needed help ...
bgrupczy's user avatar
0 votes
2 answers
771 views

MacOS screen sharing app to control Debian host using (x11)vnc

My goal is to connect to a remote host (running Debian) such that I can control the whole desktop environment. So I tried using the vnc/x11vnc as indicated in these posts: How to connect to x11vnc ...
massisenergy's user avatar
1 vote
3 answers
12k views

VNC Server with GDM login

I'd like to set up VNC server on a Debian machine to run as a service so I can turn on a remote machine and access it without the need to be physically present. One option is to set it up in the user-...
Stewart's user avatar
  • 14.2k
0 votes
0 answers
412 views

Display desktop using X11?

Client: MacOS latest. Server: Ubuntu 18.04 EC2 I have somehow managed to test out that X forwarding is working. It took a lot of time as I am new to MacOS, finally realised I need XQuartz. I am unable ...
Sid's user avatar
  • 101
0 votes
1 answer
1k views

How i can change the background in vnc

Is there a way to change the background in the vnc
Amr Kamel's user avatar
  • 121
3 votes
3 answers
3k views

Trick Linux Mint Cinnamon in headless mode to think a monitor is connected?

Here is what I have so far: Headless server running Linux Mint with Cinnamon as the desktop x11vnc installed No monitor is connected to the server The problem I'm running into is that x11vnc is ...
alexpotato's user avatar
1 vote
1 answer
1k views

How to increase maxclients on Xvnc

I'm running a headless VNC server (TigerVNC with Xfce). I need to increase the maximum allowed number of X clients because I'm hitting the 256 limit (yes I've got that many) and I get the "...
xtian's user avatar
  • 111
1 vote
0 answers
153 views

What is the current best way to connect to remote X server?

I have a computer that is running Debian, and has Xorg started. What is the best way to interact with it? Previously I was using x11vnc tool, but it seems to be old, and rather slow. Are there better ...
user70436's user avatar
0 votes
2 answers
238 views

X11VNC 0.9.13 broken on Debian Buster

I used X11VNC to mirror my X11 Session succesfully since years on Debian 9. However the version (0.9.13) in Debian 10 does not seem to work anymore. The X11 process eats up all resources periodically ...
rilke1999's user avatar
3 votes
0 answers
786 views

VNC input extremely laggy on Linux Mint install

Running a headless Linux Mint (19.3) server for Plex and Homebridge. I only mange it via SSH or VNC. Currently running x11vnc (0.9.13) with the following config -noxrecord -ncachecr -auth guess -...
dstarh's user avatar
  • 81
2 votes
1 answer
1k views

x11vnc crashes on signal 11 (segmentation fault) shortly after a client connects

background Debian testing, kernel 5.9.0 symptoms x11vnc server accepts my remote connection. Then, after about 20 seconds, the server crashes. Log shows that as soon as the server initializes xfixes, ...
likewise's user avatar
  • 570
1 vote
0 answers
542 views

In Debian, how can I keep X11VNC alive when I open KDE session

Using Debian 9 + X11VNC + KDE5 I have a script in /usr/share/sddm/scripts/Xsetup that runs x11vnc before sddm starts, so I can access the launcher with VNC. My problem is that the VNC connection is ...
PatriceJ's user avatar
0 votes
0 answers
2k views

How do you shutdown x11vnc?

This seems like it should be simple, but I can't seem to find out how to do this. I have an x11vnc server running on Ubuntu 20.04 inside a docker container, and I want to stop the x11vnc server so I ...
jmort253's user avatar
  • 305
0 votes
0 answers
773 views

Accessing display 0 using x11vnc

I have a RHEL 7.8 Linux machine with Nvidia GPU. I can't access it's console so I am accessing it through VNC session. Using Xvnc, I don't have access Nvidia GPU as Xvnc loads a headless X11 server. ...
Ghada El-Sawy's user avatar
1 vote
0 answers
439 views

How to configure X server to fill the screen over VNC/noVNC?

I am running an Xfce desktop environment in Docker from here and connected to it using a VNC client and a browser (backed by noVNC) but in both cases the output doesn't fill the screen - or at least ...
dippynark's user avatar
  • 327
5 votes
2 answers
4k views

Initiate a new (X11) desktop session on a remote host

I would like to start a new Xorg server on a remote host. At first, I tought this would be as easy as it is on the local host: $ xinit /usr/bin/startxfce4 -- :4 On a local host, this command typed ...
aanno's user avatar
  • 129
3 votes
0 answers
179 views

Can we share an application window among different users/X servers?

We have a family machine with KDE, where each member has a different account. Mom, dad and children. There are a few applications we'd like to be shared in such a way that they be available to all ...
Anymene's user avatar
  • 31
3 votes
2 answers
3k views

How to force x11vnc to use Xfce?

I am trying to set up x11vnc with an Xubuntu 19.10 machine as the server and a Windows 10 Pro machine as the client. For some reason, when I connect to the x11vnc server, the VNC viewer opens up a ...
Tyll'a's user avatar
  • 163
4 votes
1 answer
11k views

How to connect securely to VNC server? (x11vnc)

I'm using Manjaro / Arch Linux distribution. I'm trying to connect securely to my VNC server, but I'm not able to configure it. I'm using x11vnc, because It's much optimal than TigerVNC for streaming ...
Mikel Granero's user avatar
5 votes
1 answer
4k views

How do I get x11vnc to turn on during Boot, without logging in, so I can access over SSH Tunnel?

I am using Ubuntu 19.04. I want my VNC server on my Ubuntu computer to turn on during boot; I don't have a monitor plugged into it. I want to be able to run the full Ubuntu desktop remotely. I have ...
anarchy's user avatar
  • 155
2 votes
0 answers
382 views

2 x11vnc servers with separate displays showing different windows, overlapping

I am running a python (includes pygame) program on debian-jessie system with x11vnc and xvfb installed. I want to display terminal window and pygame window separately using xvfb and x11vnc. My ...
Tapan Halani's user avatar
6 votes
1 answer
9k views

x11vnc Only show one display with dual monitor guest

I have been trying to connect from my laptop to my desktop (2 monitors) and only show one of the monitors to my laptop but 2 monitors are always shown beside each other. What I have tried: x11vnc -...
T. Roche's user avatar
5 votes
1 answer
5k views

How do I force x11vnc to stream lower quality?

I need to access a remote machine via a high latency, slow connection. It uses x11vnc and I want it to broadcast video in much lower quality than what's actually on the screen. First thing that comes ...
ᴍᴇʜᴏᴠ's user avatar
1 vote
1 answer
2k views

x11vnc minimal effort

I have a fresh Ubuntu 16.04 installation, which is the only OS on my computer. Not any package installed or whatsoever. I don't want to have a graphical environment on my local machine, however I want ...
Z.Szymon's user avatar
  • 143
0 votes
1 answer
2k views

Find out the number of clients connected in x11vnc

I am developing an application that uses x11vnc in the background and I would like to know how many users are currently connected. I have reviewed the list of commands but I have not found anything ...
Javi's user avatar
  • 1
2 votes
2 answers
2k views

How do I find the display number of the X server currently using the physical monitor / running in the active virtual terminal?

I'm in the process of making a x11vnc launching script that would fix the dreaded black screen that prevents you from using VNC until reboot. So far, I've managed to find a workaround by using the ...
Zdenek's user avatar
  • 131
0 votes
0 answers
3k views

tigervnc vncviewer could not open some system applications

The computer that I am trying to connect to using vncviewer is a Ubuntu 18.04 system with dash-to-panel gnome extension. When I used the first .vnc/xstartup , I only got black screen once connected. ...
kevin998x's user avatar
  • 101
0 votes
1 answer
1k views

Starting x11vnc as a non-root user

I'm using a customized Linux distribution generated via buildroot. I use x11vnc for remote access, always logging in with root. But now, I need to enable an user without root privileges to start ...
amorimph's user avatar
1 vote
1 answer
4k views

VNC - simple test with vnc (x11vnc and ssvnc)

I am trying to set up a vnc connection between 2 computers, but am having trouble so far. In order to understand the concept, I am now simply trying to start a vnc server (using x11vnc) and connect ...
jim jarnac's user avatar