Questions tagged [vnc]

Virtual Network Computing - platform-independent remote display system

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How to config concurrent access to remote virtual machine via vnc to use one TeamViewer

Hi I tried to be precise as possible with topic. My problem is we use VNC on Windows for in house remote access but TeamViewer running on Debian Buster for external remote tasks. But I can't configure ...
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How to copy/paste with the TigerVNC screen scraping server?

I have the TigerVNC screen scraping server installed so that I can server up the actual display session to other computers. My windows client is the latest TigerVNC viewer. All is working well enough, ...
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Xpra and Xfce looks weird

When i start VNC server and connect, i get Xfce desktop and looks fine. But when i start Xpra server, Xfce looks weird: https://i.stack.imgur.com/IGz9d.png I tried to change system theme and icons in ...
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How to take a screenshot of remote Linux desktop from local macbook

I am on a local macbook (OS Catalina 10.15.7--not sure if it matters), and I am accessing a remote Linux machine through VNC. How can I take a screenshot of the remote Linux window (accessed from ...
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KVM-like switch crossed with remote desktop to give remote access to BIOS/pre-boot

I am looking for something like a KVM switch, however, combined with something like Microsoft Remote Desktop or VNC. I have a laptop that I want to plug into a device that will bridge USB input and ...
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20 views

How to connect to a VNC server running in a Linux Docker container?

How do you connect to a VNC server running inside a Docker container, from Linux? I built and ran a Docker container based on this configuration, which creates a full Gnome desktop. It built and ran ...
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Windows 10 configure application precedence for capturing key strokes

I am running windows 10, and from time to time need to remote login to a mac. And I have since encountered some key stroke capturing issues. So I have the wox launcher bond to Win + Space. And if I ...
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Multiple virtual screens with TurboVNC

I have a virtual machine created with multipass (https://multipass.run/). This is very basic Ubuntu 20 machine. Following this article: https://www.digitalocean.com/community/tutorials/how-to-install-...
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Is there a way to check which VNC clients are running and listening for connections?

I am using VNC to manage around 70 different PC's running Windows 10. Is there a way I can check to see if each client has it's VNC service running and listening for connections without having to ...
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Cannot connect to KVM virtual machine using VNC (connection hangs)

I have been able to connect to KVM virtual machine since creation using the following commands. I create a SSH tunnel using ssh admin@10.0.1.2 -L 5903:127.0.0.1:5903 -N -T and then run open vnc://...
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Automatically start VNC server and terminal on boot

I am working with Fedora 25 and I am trying to get a VNC server up on every boot with a gnome-terminal running a script inside of it. This can either be done using a cron or rc.d. My goal is to ...
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261 views

Vnc viewer error: unable connect to socket: Connection refused (111) in CentOS 8

I would like you to help me with the following problem. I will try to give as many details as possible. I recently installed a vnc server on a Centos8 virtual machine. I have done all the ...
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26 views

Looking to send the value of a cell at the end of a string to command prompt to run VNC

I'm wanting to send the value of a specific cell to the end of a string, then send that to command prompt. For example this is what I have working. Sub VNCTest() Dim txt As String txt = "...
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Trying to copy non-ASCII Unicode characters from a Linux VNC session into Windows programs, I can only get escape codes

I'm on Windows 8.1 running TigerVNC's vncviewer64-1.11.0. I open a connection to a remote server (CentOS 7 with XFCE, if that matters). I highlight and copy some UTF-8 text: Then I copy it from the ...
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mouse curser on VNC server stuck on drag mode and does not work

I am using vnc viewer to connect to a vnc server on an ubuntu system . It was working perfectly but I don't know what happened that the cursor changed to drag mode and does not work any more. I cannot ...
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Displaying a 'under maintenance' message when connecting with VNC to Windows 7

I have my own devices located in few places and I would like to freely perform administrative work while the potential user sees information about the ongoing service of the device. Is this possible ...
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Tightvnc session with Xubuntu suddenly refuses to accept mouse/keyboard strokes

Server is Ubuntu 20.04 aarch64, TightVNC Server version 1.3.10, Xubuntu 20.04 desktop packages. No anything about errors in vnc server log file, but in /var/log/syslog there were entries: org.xfce....
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Unable to change VNC resolution on headless machine

The goal: I want to connect to my headless (no monitors connected) machine using VNC and the GPU for the VNC session should be the real GPU (not a dummy GPU) How I tried to set up: 1.Logged into the ...
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Can't change the setting of VNC, such as resolution and depth

Usually, we typed vncserver -depth 24 -geometry 1920x1080 to generate a VNC session. But at some point, The VNC session can be generated with only vncserver command, and the following option doesn't ...
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37 views

Connecting to Remote Desktop on Raspberry Pi after wifi has changed

I am using VNC remote desktop on a raspberry pi 4 that is currently set up to run on my home WIFI network. This part works fine. The problem I have is trying to change the WIFI network on the pi and ...
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43 views

VNC connection over public IP is not working

I installed TightVNC. I enabled port forwarding and port was opened, I checked it here https://www.yougetsignal.com/tools/open-ports/ TightVNC added itself to Firewall exception. TightVNC server was ...
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74 views

Copy/paste stops working in gnome-terminal over VNC session

I have been clumsily working around a strange clipboard issue on a Linux system over VNC. I recently noted a fix and want to document it here. An alternate title for this post might be: VNC client/...
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VNC connection inside VNC connection?

I have a question before I implement the feature I want to. I have multiple raspberry pi's and other small computing devices which I can access with remote desktop or ssh. But that is only locally, I ...
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76 views

Change encoding in x11vnc/novnc

I want to use the Hextile encoding in x11vnc and noVNC. I don't know if it's client side or server side, but neither seem to offer a way to change the encoding. How do I switch to Hextile encoding ...
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VNC rawfb input as VLC stream

I want to use x11vnc to stream games, but they get low FPS (as expected). I think it might be better to use the -rawfb option with -pipeinput UINPUT to make a stream that doesn't check the framebuffer,...
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186 views

RDP vs VNC - what exactly is the difference in regards to screen sharing?

I've been trying for way too many hours now to get a similar remote desktop experience as Windows -> Windows, but on Windows -> macOS. As far as I know from my testing, I need to use VNC if I ...
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21 views

Having a Secure / Copy Protected DESKTOP Environment in Cent OS Linux

We have a VPS / Bare-metal server rented on a data-center and we access them over internet through user ID and password. That is direct access and there's no VPN in between. We access GNOME desktop ...
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18 views

KVM to start/stop 2 remote computers controlled via VNC

I have this setup In the studios of a very small local-sized FM broadcasting radio station, serving my city, there are 2 PCs acting as servers. Call them servers A and B. Services are duplicated and ...
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42 views

TightVNC in Ubuntu

The next task is to make remote access via TightVNС on linux ubuntu 20.4 LTS so that it is the same as on Windows, i.e. after connecting, you could see what the user was doing and where he was ...
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101 views

VNC Server / Gnome not responding to keyboard

My Gnome suddenly stopped responding to keyboard events. The only keyboard event which has an effect is ctrl-alt-up and ctrl-alt-down which change the virtual desktop. Mouse curser moves, and I can ...
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How to automatically log into RealVNC cloud account from VNC Server

My problem is that my remote pi machine cannot work all the time and need to be shutdown at some point. When I turn it on e.g after reboot Vnc server is not connected anymore to the cloud (My prefer ...
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50 views

TightVNC suddenly asking for username?

I have a Raspberry Pi with VNC access enabled; then I use TightVNC Viewer on Windows 10 to access it on the local network. In all Windows computers that I've set up, when I try to connect to this RPi, ...
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185 views

Why does my VNC server show a black screen locally when the vncserver service is enabled/running?

I am running the latest version of Manjaro KDE Plasma on an HP server which automatically logs me in at startup. I am trying to connect to this server via a locally hosted version of Apache Guacamole ...
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How to configure KRFB so that it runs at startup in Kubuntu 15.10 x64?

How to configure KRFB so that it runs at startup in Kubuntu 15.10 x64? (Krfb Desktop Sharing is a server application that allows you to share your current session with a user on another machine, who ...
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624 views

Autohotkey: Find and focus windows by name accross virtual desktops

I'd like an ahk script to find and focus running windows across virtual desktops on Windows 10. I found one earlier but alas forgot where it's from, maybe someone here knows. I think it was to help ...
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22 views

Remote connection causing black screen on specific program - How to bypass?

So, I'm trying to remote connect to my PC through another computer and I'm getting a black screen on the specific program, I see normal through the 'Console'. I guess it's some kind of a protection ...
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104 views

Using socat to bypass NAT

I`m facing the following problem: Lets call my machine the PC-1 and a remote machine which i want to access, the PC-2. PC-1 and PC-2 are in different networks, and both are behind a NAT. To achieve ...
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I have a vncserver setup on ubuntu 18.0

I have a ubuntu 18.04 setup with cyberpanel and all done correctly i have install CSF firewall as well and ports are also working when i restart vncserver then i am able to connect to it. I am now ...
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64 views

Vnc too many authentication failures ubuntu 20

I have vncserver installed on ubuntu 20. Getting on many many ports too many authentication failures. Now even after restarting vnc server the error stays there. I don't know how to resolve that. if ...
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Why does RealVNC Server Windows credential fail after domain join?

I'm deploying computers with VNC server installed. Prior to domain joining, I am able to VNC into the PCs using a local admin account. After domain joining the PCs, I am no longer able to VNC into the ...
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1answer
26 views

How to establish a secure VNC tunnel between two hosts behind NAT?

How can I establish a secure tunnel for VNC from my home computer my computer in the office, both hosts are behind NAT. I do have ssh access to the machine at work (I have established a reverse ssh ...
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382 views

Sharing my computer with someone to run heavy CPU/GPU compute while I continue to use it

I'd like to give access to my powerful Windows 10 Pro machine to someone from the outside (who I trust completely) to run Python/PyTorch programs, using the GPU for compute. The key is that I'd like ...
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14 views

Resending a VNC connection to multiple users

My VNC server only allows 1 connection ( this cannot be modified ) So the question is: Is it possible to capture this one connection, and redistribute it to multiple users? This will only be used on a ...
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132 views

vnc connection over jump host with ssh

Assume three systems: A,B & C A established a reverse SSH connection on :6666 to B B can access A fine by ssh user@locahost -p 6666 C is in the same LAN as B and should be able to access A by VNC....
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Can RealVNC use local Windows credentials if Single Sign-On fails?

I have PCs that I deploy with VNC Server installed. These PCs typically are domain joined, thus we enable the single sign on option. However, we sometimes need to remote access these PCs prior to them ...
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176 views

Nvidia Docker VNC with OpenGl and virtual display

We are currently setting up a docker environment for our students in which OpenGL applications should run. To make access very easy I use my previous docker image where xvfb was used to create a ...
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31 views

Wired VNC screen control for Ubuntu

Was researching an option to control a Ubuntu linux Raspberry Pi box using wired VNC connection.So it will look like this [{Raspberry Pi} w Ubuntu OS] ----> wired ( ethernet/usb) connection ----&...
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41 views

How to improve performance of remote rendering?

I have PC in the office which is running Ubuntu and has GeForce RTX 2080. I also have laptop at home which is running Windows. In order to benefit from nvidia card from home I've started TurboVNC ...
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696 views

Error connecting to vnc: “No password configured for VNC auth”

So, I am using putty and UltraVNC Server/Viewer, to make a VNC connection to a lab computer in my university. However I systematically get the error "No password configured for VNC auth". At ...
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51 views

A local user can start x0vncserver. An ssh user not [duplicate]

Enviroment is Lubuntu 20.04 x86-64 with LXQT desktop manager. I am logged in in the LXQT as 'zoe' and I run the command x0tigervncserver --rfbauth=/home/zoe/.vnc/passwd which works and I can connect ...

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