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Questions tagged [vnc]

Virtual Network Computing (VNC) is a graphical desktop sharing system that can be used to control a computer remotely.

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Copy/paste via virt-manager to a kvm text mode guest

I have done what's mentioned in virt-manager copy paste functionality to the vm Environment: Ubuntu 22.04 server (VM) and Kubuntu 22.04 (virt-manager) Installed spice-vdagent on the VM and spice-...
Senior Geek's user avatar
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Can't start VNC server on baremetal remote instance

I have been following several tutorials to use VNC on my remote baremetal instance (chameleon cloud). I had to install a bunch of things since it did not have a GUI interface. I want to use this ...
Alvaro Martin Grande's user avatar
1 vote
1 answer
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How to configure key press repeat delay?

I have less-than-perfect connection to a Centos & machine via VNC. One problem is a slow echo; a worse one is a keypress repeat. When I type, say, cat, at normal speed, a couple seconds later I ...
Michael's user avatar
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Problem with remote connection through RDP or VNC

I would like to re-open this subject, thinking there may have been some progress in the last 4 years. I want a user to be able to open a session on a desktop computer, sometimes locally in the office ...
Jimbou's user avatar
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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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Failed to start tigervnc on start ubuntu jammy

For some reason, I can't for the life of me cannot start vncserver to start at boot. I'm using this guide and as per the link, here's my constructed systemd file for it [Unit] Description=Start ...
Skegg's user avatar
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Tigervnc server: do I have to start a specific 'instance'?

I am trying to set up a tigervnc server on Pop! OS. When I try to start the server in systemd using sudo systemctl start tigervncserver@ , I get the following error: Failed to start tigervncserver@....
Time4Tea's user avatar
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TightVNC Server Not Working at Debian 12 - Grey Screen Appears

I have installed TightVNC Server on my system using sudo apt-get install tightvncserver. However, when I try to connect to it, I only get a grey screen. Below are the contents of my ~/.vnc/xstartup ...
cod's user avatar
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VNC black screen issue

I am trying to access my machine through VNC. The distro that I am using is the SLES 15.1 and is hosted under azure services. The deployed version is the server one and therefore I added the GNOME ...
GZIP's user avatar
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Why won't my X session manager start in TightVNC?

For testing purposes I'm trying to get a VNC server and client both going on my Ubuntu 22.04 laptop, but my X session manager won't start for the VNC server. Tigervncserver (essentially) doesn't start ...
Cavalcade's user avatar
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No desktop during VNC session

I have followed this guide: Configure VNC Server in RHEL to setup a vnc connection on my AlmaLinux 9.3 machine. I am running into an issue with the actual desktop that is displayed during the VNC ...
hymcode's user avatar
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VNC screensaver & locker: missing XInput extensions

I use a vnc (tightvncserver) connection: Devuan/aarch64 and Armbian(Debian)/armfh (hosts) thru Win10/TigerVNC (client). Since the upgrade of the underlying base to Debian Bookworm, xscreensaver and ...
freezr's user avatar
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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
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disable RHEL 8 screenlock happening within VNC session

In using RHEL-8.9, when I create a VNC session then connect to it for the first time I get my desktop as expected not the screenlock. But if I disconnect my VNC session then reconnect, even if I ...
ron's user avatar
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Xvnc and Wayland session running in paralel: How to force terminal launch in Xvnc

Context: I have three laptops. One with Windows, another one with Mac and finally one with Fedora. I want to continue using my Fedora destkop when on Windows/Mac, so I start an Tiger VNC server on ...
earizon's user avatar
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VNC Session with specific resolution

I have a machine running Solaris 10, I can successfully start a remote VNC session, but I can't set the resolution of the session, I know that the GPU is capable of much higher resolutions than the ...
user1359448's user avatar
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how to start tightvnc on a boot using init.d?

I have created the file in the init.d dir: ! /bin/sh case "$1" in start) sh /home/orangepi/.vnc/vnc_start.sh ;; *) ;; esac exit 0 and then run the update-rc.d vnc defaults ...
zhekch's user avatar
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how do I start gnome-session over VNC (server OS: debian bookworm)?

Using tightvncserver, how do I load gnome-session over a VNC session? tried editing ~/.vnc/xstartup with gnome-session & but the screen stays gray. What I tried: unset SESSION_MANAGER exec /etc/...
Warrior's user avatar
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Stream single application from macOS to Linux using X11 forwarding or similar

I want to stream an application (preferably with the menu bar on top) from macOS to Linux. You can do this in the other direction, from Linux to macOS, via XQuartz and X11 forwarding. I have seen ...
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Cannot authenticating with AD user to RHEL 8 through xRDP

In order to authenticate to an existing ADFS environement connected to keycloak using DeviceAuthentication, I configured my RHEL 8 workstation and I'm able to authenticate with AD user with command ...
Ayoub Beltarchi's user avatar
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1k views

Redhat 8 and xorg.conf and x11-xorg-drv-dummy and console monitor and VNC

For RHEL 8 not having an nvidia graphics card, I had instructions given to me to do a yum install xorg-x11-drv-dummy followed by creating /etc/X11/xorg.conf with Section "Device" Identifier &...
ron's user avatar
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lightdm: neither xdmcp nor vnc providing remote session

I want to be able to connect remotely to my daily driver (Debian 11) within my LAN from my laptop and other devices. Ssh works fine but niether Chrome nor Firefox are happy running over ssh / some ...
symcbean's user avatar
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TigerVNC Unable to Start Systemd Service

I recently followed a guide I found here: How to Install VNC Server on RHEL 8 to create a VNC session for a given user. I have since created a new user account: engineer and updated the systemd ...
hymcode's user avatar
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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
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548 views

How to stream local audio to HTTP

How can I set up a HTTP audio streaming server that I can access on http://localhost:8080 without specialized software or configuration on the local side? (the remote side, which streams the audio, ...
wjwrpoyob's user avatar
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755 views

Forwarding X11 Displays to VNCs On RHEL8/RHEL9

On previous versions of RHEL (RHEL5/6/7 at least) it was possible to create run a vncserver (from tigervnc-server) and forward X11 displays from another server by exporting the DISPLAY environment ...
Natolio's user avatar
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VNC doesn't work with newer versions of Ansys

We have a group of Linux workstations that run various engineering applications. One of these is Ansys. Remote users connect to the workstations using VNC to run the Ansys workbook (GUI) to work on ...
DJR's user avatar
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170 views

Turn Off screen for VNC use

I am trying to use a machine for vnc. I want the screen to be always off to save energy. I have tried to set the brightness to 0 but continues on. My idea is for example to change the terminal or ...
Pocholo's user avatar
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Unable to Establish VNC Display on Ubuntu 20.04 Jetson Nano without HDMI Connection. Shows 'DISPLAY' environment variable not set... when i SSH

I have tried the following troubleshooting steps without success: Manually setting the DISPLAY environment variable as both DISPLAY=:1 and DISPLAY="my ip:1". Verifying the display variable ...
Danana's user avatar
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232 views

Prevent VNC from binding to IPv6 address

I have disabled IPv6 and I have found options to prevent MySQL, Postfix, CUPS and Telnet from binding to the IPv6 interface. However, I can't find a way to disable it for VNC. tcp6 0 0 :::...
supmethods's user avatar
2 votes
0 answers
2k views

can't start VNC server from a service, Works fine when started from terminal TigerVNC + noVNC

I have a VNC setup using TigerVNC and noVNC on my linux machine (Ubuntu 20.4). It works perfectly when started it from terminal but I want to start it from a service so that it can auto start on boot ...
ahmed's user avatar
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2k views

Ubuntu Remote Desktop through Real VNC error "The connection closed unexpectedly"

I have installed ubuntu on a PC at a remote site. Now I wanted to access it from my home. I got it after I promptly followed the instructions on https://linuxhint.com/disable-screen-lock-ubuntu/ That ...
Mainland's user avatar
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0 answers
232 views

Accessing Ubuntu through RealVNC from my window laptop: Protocol error Message type 20

I am trying to VNC into my Ubuntu Desktop from my laptop using Real VNC. Real VNC on my laptop sees the Ubuntu but it is not clearly visible. It displays a message Attempting to reconnect to VNC ...
Mainland's user avatar
  • 105
1 vote
1 answer
629 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
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1 vote
3 answers
743 views

I can't connect to x11vnc from different network

I am trying to connect from my laptop (with Linux Mint) to my remote desktop (with Linux Mint too) using VNC Viewer on my laptop and x11vnc on my desktop. I manage to connect if I am on the same ...
Antonio Finocchiaro's user avatar
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0 answers
907 views

AlmaLinux 8.7 xrdp Remote Desktop Setup

I recently set up xrdp on my AlmaLinux 8.7 machine using the following guide: Access AlmaLinux 8 remote desktop using Windows RDP The setup was successful, and I am able to access the machine remotely,...
hymcode's user avatar
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0 votes
1 answer
863 views

"Real" VNC for Ubuntu 22.04?

I have Ubuntu 22.04 running on an RPi4b. I use the free VNC-Connect on my Windows PC. But I can't figure out how to get the server installed on Ubuntu. I downloaded the Linux install file from realvnc....
SDMark's user avatar
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0 votes
1 answer
1k views

How to set up a Linux server for remotely starting a XFCE desktop environment from a VNC client?

My problem Assuming: I have a macOS system with a VNC client (Screens 4) I have a Rocky Linux 9 system installed on a server without monitor, keyboard, mouse... Rocky Linux 9 was installed with ...
Mat.R's user avatar
  • 103
0 votes
1 answer
31 views

RealVNC Viewer on Raspberry Boot

I have a main Raspberry Pi in one room and a second one in other room. My software is running on the main Pi and i'd like the second one to just mirror the first one. RealVNC is fine, but i can't ...
MrGal's user avatar
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1 answer
1k views

"Failed to enable unit" error enabling vncserver on RHEL 9

I have installed Tiger VNC Server on RHEL 9, but when I try to enable the service I get the following error: # systemctl enable [email protected] Failed to enable unit: File multi-user.target: ...
Andrew Vickers's user avatar
0 votes
1 answer
1k views

Tiger VNC Wayland Issue

I've more or less setup tiger-vnc with this guide: https://www.linode.com/docs/guides/centos-install-and-configure-vnc-server/ The problem I'm facing is that when I enable the following, I am unable ...
john smith's user avatar
0 votes
2 answers
200 views

What's the best way to easily launch programs across multiple linux servers that can't be headless?

I'm trying to launch a program across many Ubuntu servers that can not be headless. I would need to relaunch these every few days so I'm looking for a way to easily do this. I installed a VNC Server ...
user8497118's user avatar
3 votes
0 answers
379 views

VNC Server: cannot log in from desktop when logged from VNC user

I have setup VNC server on my laptop. When I log into the laptop via VNC, I cannot log into my laptop from the desktop GUI. The problem is if I close my VNC session and forget to log out from VNC, I ...
supmethods's user avatar
3 votes
1 answer
6k views

How to kill and restart kwin and plasma-desktop from remote ssh session

I have a VNC machine running kde4 as the desktop environment, I logged into the VNC machine and the desktop was just displaying a black screen. To remedy this I ssh'd into the VNC host and ran pkill -...
Guilty's user avatar
  • 133
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
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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
3 votes
4 answers
11k views

Error opening browser in VNC session: cannot open display: :1.0

Setup My goal is to use a web browser in a VNC session. I followed this page to install tightvncserver with xfce4. The session works fine, i.e. I am able to open all other GUI programs. I ran apt ...
Paul Smith'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
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1 vote
0 answers
179 views

Is there a way to automatically resize a virtual machine display with VNC?

Every thread I can find asking about automatic screen resizing for a VM has a solution that involves using Spice. However, I'm using RHEL 9, which has disabled using Spice with virtual machines, with ...
zaen's user avatar
  • 204
0 votes
1 answer
750 views

VNC (tigervnc) via 'actual' ssh tunnel

I understand that vnc which is not encrypted or secure usually is used via an ssh tunnel. I currently have the native Ubuntu 20.04 VNC server (vino-server) working via an ssh tunnel. The ssh tunnel is ...
password is password's user avatar

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