Questions tagged [vncserver]

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Keyboard layout completely messed up - running a VM on a server

I am connected to a vnc server and am viewing it using a vnc viewer. On the vnc server, there is a VM. Both the vnc server and the VM are running the latest version of Ubuntu. My computer's keyboard ...
sysad noob's user avatar
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0 answers
510 views

Vnserver is giving error

I installed the Kali Linux successfully using termux. After installation when I give the command vncsever-start then the following error shows up: root@localhost:~# vncserver-start New Xtigervnc ...
farooqshah4u's user avatar
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1 answer
181 views

Detect if device is accessed using VNC [closed]

I like to check if our application on remote host is being accessed via VNC Viewer or other similar product of VNC. There are security preferences in our application which should restrict access to ...
Mahesh's user avatar
  • 348
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167 views

How to route vnc traffic over ssh tunnel?

I am trying to route the vnc traffic via ssh reverse tunnel from my raspberry pi to a remote server (Ubuntu). The setup is: Using the default realvnc server as part of Raspbian (Bullseye) image. ...
Preeti 's user avatar
  • 131
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0 answers
391 views

VNCServer shows grey screen on port 1, but desktop environment works on other ports

I am working on an Ubuntu 20.04 Server -and I am very new to this- and trying to use vncserver -which was installed by some other person-, while trying to make the server boot with VNCServer I changed ...
Oğulcan Cingiler's user avatar
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2k views

Installing RealVNC Server on Ubuntu 22.04 error: `Download is performed unsandboxed as root as file`

Recently upgraded from Ubuntu 20.04 to 22.04. I am trying to install RealVNC Server on an Ubuntu 22.04 LTS desktop. I downloaded the Debx64 file from here: https://www.realvnc.com/en/connect/download/...
BeginnersMindTruly's user avatar
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1 answer
645 views

VNC Server Password not changing on port 5900

I'm trying to fix the VNC Server 'password' Password vulnerability of Metasploitable 2. I have changed the vncserver password using vncpasswd and it works fine for all the ports but 5900. After ...
donthowtocode's user avatar
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1 answer
170 views

PuTTY gives different result when running remote command vs SSH command-line

In Windows 10, from the command line when I run ssh [email protected] vncserver -localhost everything works fine. But when I try to run the same command in a graphical PuTTY interface by entering the ...
geckels1's user avatar
  • 123
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0 answers
2k views

VNC Server port is already in use

I'm on mac, my vnc server says the following: The port on which VNC Server is expecting to receive direct connections is in use by another program or service. For example, it may be that VNC-...
user254694's user avatar
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2 answers
1k views

vncserver command is not creating port in CentOS 7 ( It is getting killed immediately )

While executing vncserver command getting below output but, no port is listing while trying vncserver -list command. [user1@localhost ~]$ vncserver New 'localhost.localdomain:55 (user1)' desktop is ...
Arun's user avatar
  • 527
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What is the "1;" line at the bottom of vnc.conf?

I am configuring tigervnc on Ubuntu, and the bottom of the default config file has 1; What is the function of this line?
interoception's user avatar
2 votes
0 answers
404 views

vnc connection only possible via localhost

I started vncserver :3 and can only connect via an ssh -L 5903:localhost:5903 machine42 connection coupled with vncviewer localhost::5903. But a direct connection with vncviewer astro101:3 hangs (last ...
Friedrich -- Слава Україні's user avatar
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0 answers
2k views

Can a user have multiple vnc sessions?

I have a vps, and I usually connect it from my office and my home using vncviewer. I find that, for the same user(e.g. john), I can only have one vnc session. If I already had a display(:1) at the ...
Mark Hayes's user avatar
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727 views

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 ...
Joshua Spangler's user avatar
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1 answer
471 views

Cannot sign in to VNCServer with Home subscription on CentOS 7

I cannot for the life of me figure out how to sign in with my RealVNC account on Linux. Whenever I execute vncserver it prompts me to run vnclicense to license the program, but I do not have an ...
Donny's user avatar
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2k views

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 ...
Y.J.Jo's user avatar
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1k 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 ...
FosAvance's user avatar
  • 101
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1 answer
673 views

VNC Tunnel over SSH

I want to create a VNC connection over SSH from a client at home to a jump host at work. From the work private network I want to access to client through the jumphost. How to accomplish this. We ...
Wotikar's user avatar
  • 23
1 vote
0 answers
478 views

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 ...
Izzo's user avatar
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136 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 ...
LLL's user avatar
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2 answers
368 views

Can't Install VNC Server on Mac Catalina OS X 10.15.6 "Installation Failed"

I can't get VNC Server 6.7.2 to install on Catalina OS X 10.15.6. It says error during installation each time. I've tried re-downloading the installer, and tried several previous versions with no luck....
Jon's user avatar
  • 1
0 votes
1 answer
513 views

Multiple Independent parallel remote session RHEL7

I have x11vnc installed on host(RHEL7.2) which i run using x11vnc -forever command to have desktop session of this server on my remote(RHEL6.2) machine using vncviewer IPAddr:display command. My ...
Ankit's user avatar
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1 answer
61 views

Xvnc4 numlock does not work

I have a Xvnc4 session running such as Xvnc4 :23012 -desktop test -auth /home/myuser/.Xauthority -geometry 1280x1024 -depth 16 -rfbwait 30000 -rfbauth /home/myuser/.vnc/passwd -rfbport 28912 -pn -fp /...
Tk421's user avatar
  • 101
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0 answers
319 views

how to call TurboVNC in lightdm.conf?

I am trying to change the [VNCserver] in lightdm.conf from TightVNC to TurboVNC but after I finished the installation of TurboVNC, I must open it by /opt/TurboVNC/bin/vncserver instead of just the ...
user2782396's user avatar
13 votes
4 answers
25k views

Use Laptop as monitor (Ubuntu 18.04)

I have two laptops, both with Ubuntu installed. In the same network, I want one of them to be converted to simply be a monitor (like a slave for the main laptop, but not only share keyboard and mouse ...
dack funk's user avatar
  • 141
0 votes
1 answer
2k views

Installing VNC on openSUSE

Anyone have any idea on how to install VNC through cli, cant find any instructions on it on opensuse. I'm new to the whole thing and I can only ssh into my machine. I find CLI to be very difficult ...
Dixon's user avatar
  • 1
0 votes
1 answer
579 views

How to disable clipboard function on TightVNC server

I looked at the manual of TightVNC Server but I couldn't find any option to disable clipboard function in order to block copy/paste between host machine and remote machine. I use TightVNC Server (...
yildizabdullah's user avatar
1 vote
2 answers
2k views

How to Create a Configuration Batch file for VNC Server?

I made a batch file for VNC Server to make Windows 10 x64 automatically (Unattended). The software is properly implemented and installed silently, but unfortunately the configuration parameters of the ...
Mehdi's user avatar
  • 51
24 votes
5 answers
35k views

Remmina: Unknown authentication scheme from VNC server: 13, 5, 6, 130, 192

I am trying to set up a VNC connection from my PC (Ubuntu 18.04) to a headless (I can use only terminal) Raspberry Pi zero w (Rasbian 2020) using Remmina, but I am getting the error window: Unknown ...
Phineas's user avatar
  • 501
0 votes
1 answer
764 views

TightVNC server crashes when scrolling in gedit in XFCE

I'm using TightVNC Server version 1.3.9 on a Debian Buster VM, and TightVNC Viewer version 2.8.11 on Windows 10 1709. If I Run the VNC Server using vncserver -geometry 1920x1080 and the xstartup ...
fuglede's user avatar
  • 203
1 vote
1 answer
2k views

GDBus error authentication agent already exists on Raspberry Pi

I am running VNCserver on a Raspberry Pi. When logging in remotely, I get following error: GDBus.Error:or.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the ...
Dirk Osstyn's user avatar
3 votes
1 answer
18k views

VNC Server Error: New main PID <PID> does not belong to service

I installed tigervnc-server on CentOS Linux (release 7.7.1908). I configured and enabled VNC service successfully, however, running sudo systemctl status vncserver@:1.service gives the following ...
yildizabdullah's user avatar
1 vote
2 answers
7k views

Can not get vncserver to start on rhel 7

Good day I'm running RHEL 7.6 with kernel version 3.10.0-514.el7.x86_64. Vncserver version is tigervnc-server-1.8.0-17.el7.x86_64. My vncserver@:1.service file looks like this, I have replaced <...
Chris's user avatar
  • 11
0 votes
0 answers
3k views

vncserver service fails to start

Trying to setup VNCServer for accessing a CentOS7 machine via Windows Remote Desktop and getting errors starting the VNC service: [root@HW006 ~]# systemctl start vncserver@:1 Job for vncserver@:1....
lampShadesDrifter's user avatar
0 votes
1 answer
101 views

Remote desktop access over internet

We have one desktop based application. Users of this application are primarily non-technical people. It will be great help for us to remotely access their desktop for number of reason(troubleshooting ...
Bhushan's user avatar
  • 113
0 votes
0 answers
269 views

Disconnected remote computer's network by mistake

So I have put myself in an unfortunate situation. I am working remotely and I have disconnected my remote workstation's internet connection by mistake. Is there any trick to force the remote ...
Amuoeba's user avatar
  • 433
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0 answers
869 views

Cannot make additional vnc viewer (Kind of Xvnc failed, possibly because the font path.... matter)

From a week ago, I cannot make additional vnc viewer. I found many people already have this kind of error, but specifically, they were a little different. I found one solution for one similar case, ...
user1057808's user avatar
0 votes
1 answer
4k views

How to insert VNC Server license key (automatically) after a PC reimage with MDT

I have a base build PC which has the VNC Server license key inserted and working correctly. I've then taken an image of it via WINPE disk and the DISM command line (.WIM file) Wim file is then ...
Moosh's user avatar
  • 1
1 vote
0 answers
100 views

vncserver on ubuntu 18.04 - viewer shows terminal on host

I would like to setup vncserver on my ubuntu 18.04 host. My ~/.vnc/xstartup file looks like - #!/bin/sh unset SESSION_MANAGER exec startxfce4 I launch the server with command line - vncserver ...
user1052676's user avatar
0 votes
0 answers
290 views

Does VNC allow me to connect to another computer if the computer is on another wifi network?

I'm trying to connect to a friend's computer on a different WiFi network using VNC, and I was wondering if that would work?
Felix's user avatar
  • 9
0 votes
1 answer
2k views

How to auto login session in VNC Server

On Ubuntu when I login using Tight VNC Viewer client it shows me two sessions. What I want is as soon as I start VNC server(using vncserver -geometry 1600x900 it should automatically login into ...
user5858's user avatar
  • 166
0 votes
0 answers
272 views

VNC server stops running after a while

I have a little problem, I have a VNC server running on Digitalocean. This works, I can connect to it with no problems. But after a while (maybe a couple of days after the last connect or something) I ...
NINlol's user avatar
  • 1
2 votes
1 answer
8k views

VNC viewer RFB protocol error: bad desktop size 0x0

I'm running VNC server on a baby Fit PC2 computer under Win7 in the loft with no monitor attached. After a restart, my VNC viewer shows the above error and no connection is possible. Attaching a ...
David's user avatar
  • 21
0 votes
1 answer
2k views

UltraVNC cannot control the screen, but macOS Screen Sharing can

Environment: Server: Windows 10 Pro (x64) PC running UltraVNC Server 1.2.2.3 and Kaspersky Internet Security 19.0.0.1088(d). Clients: macOS 10.13.6 connecting via (built-in) Screen Sharing; W10 Pro (...
Conrad's user avatar
  • 649
1 vote
0 answers
3k views

Install and Configure TigerVNC on macOS

I've been looking for a new VNC server and came across TigerVNC. I'm trying hard to read the documentation to install, it's totally command line based and I'm a bit stuck. I've searched for others ...
Mike's user avatar
  • 19
1 vote
0 answers
2k views

RealVNC GPO Install not showing in systray

Have installed RealVNC 6.3.2 on a test PC using the GPO Computer Configuration. However when it is deployed to the test machine, I can see VNC Server in the start menu (doesn't produce any dialog box ...
user66001's user avatar
  • 1,227
1 vote
0 answers
621 views

SSH port forwarding for VNC on remote server with agent forwarding

Trying to connect to a remote VNC server, such as one would with an SSH tunnel: ssh -L 5901:127.0.0.1:5901 -N -f -l username server_ip_address However, the VNC server can only accept connections ...
Sebastien's user avatar
  • 151
1 vote
5 answers
19k views

Can I use VNC to control RDP sessions on Windows?

I would like to control RDP remote sessions on a Windows Server 2016 machine with VNC server. I tried tightVNC and UltraVNC, I use host:display syntax to connect but I can only see the "Console" ...
Tobia's user avatar
  • 2,253
0 votes
0 answers
60 views

Remote desktop not visible over LAN when using VNC (SSH tunnel confirmed to be working)

There are two machines on LAN: user@intel(server) and greg@dom(client) - both Xubuntu 18.04. The server installation/deployment was done using: user@intel:~$ sudo apt-get update user@intel:~$ sudo ...
Greg's user avatar
  • 493
1 vote
1 answer
195 views

Why does the process/task triggered on the VM gets stopped when the SSH connection used to create the process was broken?

I have a VM running on some remote host. I do connect to it from my desktop PC over SSH through putty. I trigger a build process on that VM. Now if i close the putty SSH session, why does the build ...
Darshan L's user avatar
  • 659