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Questions tagged [tigervnc]

Questions about TigerVNC, an open-source, platform-neutral VNC server and client software.

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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
2 votes
0 answers
47 views

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
  • 121
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1 answer
23 views

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
  • 2,405
-2 votes
1 answer
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VNC connection error

So, I was following this guide https://linuxize.com/post/how-to-install-and-configure-vnc-on-centos-7/ on how to setup a vnc server and I'm at the part where I have to connect to my vnc server via ssh ...
Jaskaran's user avatar
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0 answers
144 views

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
  • 83
2 votes
0 answers
2k views

TigerVNC Xfce startup failing on new Debian 12 bookworm install. "Another session manager is already running" Worked on Debian 10

I've set up a temporary Debian 12 instance on a laptop to test with prior to migrating a desktop from Debian 10 to 12. The only thing not working so far is the tigervnc instance, but that's critical. ...
DebiDowner's user avatar
0 votes
1 answer
5k views

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
  • 83
0 votes
1 answer
767 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
  • 1,252
1 vote
1 answer
2k views

tigervncsesrver -> (EE) Cannot establish any listening sockets - Make sure an X server isn't already running(EE)

When I try to start a Tiger VNC server with an SSH tunnel, I get the following error: _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed _XSERVTransMakeAllCOTSServerListeners: ...
geckels1's user avatar
  • 163
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
  • 121
0 votes
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
8k views

VNC server fails to start with an error vncserver: couldn't find "/usr/bin/vncpasswd

I had installed tigervnc for my RHEL 7. After that I forgot the password when was trying to connect via VNC viewer, so I uninstalled the package and removed the /usr/bin/vncpasswd file along with it. ...
citywatch's user avatar
0 votes
2 answers
931 views

WSL2 Kali-Linux Win-KeX Stopped Working Without Root

I have been able to use win-kex for a long time until today. Now I am having an issue where running kex gives me the following error: However, I am able to run sudo kex and it works fine, minus that I ...
DevWolf59's user avatar
1 vote
0 answers
430 views

How do I troubleshoot a tigervnc connection?

Sorry about the vague subject, but I am having several problems with VNC, and I really want to understand how better to troubleshoot this in general. I have two servers, hercules and hermes: # ...
j4nd3r53n's user avatar
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2k views

TigerVNC Server Crashes when Client Connects

I've installed "tigervnc-standalone-server" on my Raspberry PI 3 model b+ with Ubuntu Mate "Ubuntu 20.04.4 LTS" (not raspbian), configure and set-up vncserver as system service. I'...
Astro-Otter's user avatar
0 votes
1 answer
753 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
0 votes
0 answers
3k views

Cant connect to my tigervnc server hosted on Ubuntu 20.04.4 LTS

Did some basic debugging. VNC session is created vncserver -list TigerVNC server sessions: X DISPLAY # RFB PORT # PROCESS ID :1 5901 4479 Port 5901 is enabled in firewall sudo ufw ...
tr1via's user avatar
  • 1
5 votes
1 answer
5k views

TigerVNC not working on Fedora

Using this guide: https://docs.fedoraproject.org/en-US/fedora/rawhide/system-administrators-guide/infrastructure-services/TigerVNC/#TigerVNC.adoc#configuring-vncserver It is a single user setup, at ...
user avatar
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
2 votes
1 answer
72 views

Finding root cause of TigerVNC multi-minute pauses via ComCast; why "* * *"

What are some techniques for tracking down root cause(s) of intermittent, sometimes very long delays in TigerVNC sessions? Working remotely via SSH using TigerVNC. Most of the time the screen is ...
Technophile's user avatar
1 vote
1 answer
3k views

How to add X509 certificate TLS encryption in tigervnc in linux?

In tigervnc, how to add and deploy X509 certificate TLS encryption in linux environment?
owenlin717's user avatar
0 votes
1 answer
266 views

Unvisible application content within VNC / XFCE

I do have a weird render issue of some applications that I'm running within a tigervnc session on a remote host where XFCE is started. As you can see from the screenshot, while applications display ...
Jeremy's user avatar
  • 3
0 votes
1 answer
4k views

WSL Win-Kex problem att VNCServer, X DISPLAY not found, any Help :D

Hello, to day i tried to install kali Linux in my windows 10 i need any help please ┌──(root💀DESKTOP-KN54U4A)-[~] └─# kex -start output: Error connecting to the KeX server. Please try "kex ...
LeaDer E's user avatar
0 votes
0 answers
67 views

Where can I learn the syntax for VNC related commands and files?

This is really a question on learning strategy. I am new to Linux and seem to know only two strategies: Get a 500 page text book and plow through it. (I am plowing through a book on System ...
user avatar
0 votes
0 answers
2k views

VNC server full screen display is too small

On a centOS 7 remote server I have installed tigervnc. On Windows the viewer I am using is RealVNC Viewer. The configuration at /etc/systemd/system/vncserver@\:1.service [Unit] Description=Remote ...
cricketsaturn's user avatar
0 votes
1 answer
1k views

"Accept clipboard from viewers" not working in Tiger VNC on KDE RHEL 7.4

When running vncserver and vncconfig -display :1 &, the clipboard works only from the server to the client, but not from the client to the server, even though Accept clipboard from viewers is ...
alex440's user avatar
  • 103
1 vote
3 answers
9k views

can't launch kex on wsl2 : error 10061

I recently had to disable-reenable my WSL2 on windows (because i needed to launch a VM) and after restarting, it seems like my kex stopped working. When I simply type "kex", I get the ...
Rilves's user avatar
  • 33
0 votes
0 answers
55 views

Any DM not working on fedora

I was just trying to use vncserver and unfortunately I cluttered every thing, what should I do now to start GDM again. whenever I reboot I see a black screen, I searched a lot but there's not a single ...
wassomeuser's user avatar
0 votes
0 answers
1k views

VNCviewer password error

I am attending a course in which the software (cadence) is installed on the university unix server. To have access the following instruction is shared by the course team. I am using a MAC system. ...
Demietra95'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
3 votes
3 answers
3k views

Win-Kex Screen Resolution

I've started using the Win-Kex package in order to create a GUI for WSL2 Kali Linux. It runs okay, however the tigerVNC viewer appears blurry & hard to read. After investigating, I discovered ...
Jack's user avatar
  • 31
2 votes
1 answer
1k views

Connect to VNC server inside a docker / podman container with Login screen

We're currently trying to get a Ubuntu 18.04 instance up and running inside a podman container. Our goal is to be able to connect to the linux system inside the container via VNC, we're trying to make ...
A. Neumann's user avatar
2 votes
1 answer
16k views

How to setup a VNC Server on Linux?

How to configure and secure a VNC server on Linux with TigerVNC? (on a screen less server or a classic machine) Since the VNC Server (TigerVNC) configuration is the same on most Linux distributions ...
intika's user avatar
  • 14.6k