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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How can I disable VNC encryption in default/built-in “Screen Sharing” on Fedora 31 Desktop?

I cannot connect to my Fedora 31 Workstation GUI via "Screen Sharing" from any other (non-Linux) machine. I am almost certain this is due to the encryption that the VNC server for "Screen Sharing" is ...
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RHEL 8.1 - Tiger vnc shows dark screen after connecting

I've followed the instructions shown on the link below to install tigervnc on a Red Hat 8 Enterprise server. https://www.tecmint.com/install-and-configure-vnc-server-in-centos-7/ However, when I ...
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How to access vnc over HTTP using SSH Tunnel?

I have an AWS Debian9 EC2 instance running, I have set up TightVNC and can access the server via a VNC client. I've allowed access to ports 5900, 5901, 22, 80 and 443 via the security groups in AWS. ...
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OpenGL acceleration via SSH X11 forwarding or VNC viewer?

I am trying to run a proprietary OpenGL application remotely. This application requires OpenGL acceleration and fails to run through X11 forwarding with either -X or -Y specified with the message X ...
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VNC connection in Debian only opening some programs

So it took me some efforts to get the TigerVNC server running correctly (Colors displaying strangely, small errors), but I have it working now. However, when I try opening certain programs, the ...
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29 views

Cannot increase resolution above 1920x1080 when using virtual monitor

I'm running a PC with linux arch and using realvnc to connect to it. No monitor is attached to the PC. I have followed Add Fake Display when No Monitor is Plugged In to set up a dummy monitor and ...
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1answer
29 views

How to configure Debian Gnome and VNC for full desktop?

I am attempting to set up an AWS EC2 Debian 9 instance using this image. I have the image up and running and can connect via VNC using 'tightvncserver'. My problem is exactly the same as described in ...
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26 views

How to properly setup GNOME VNC session on CentOS 7?

I am trying to run a xvnc (Xvnc TigerVNC 1.8.0 - built Aug 9 2019 03:04:19 to be exact) session on CentOS 7 on port 80. I have installed gnome-desktop using yum groupinstall "GNOME Desktop" and then ...
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27 views

Normal desktop on vnc viewer

I'm learning to use VNC viewer for remote connection to server. VNC viewer is successfully connects to server, but here is how remote desktop looks like I have already tried to uncomment two strings ...
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VNC Connection Refused Problem Ubuntu Secondary router

Hello I installed VNC time ago but never worked until I went to the Ubuntu Wifi settings and enable Remote ON. After that worked with IP’s in 192.168.1.xxx. Now, I have a second router connected to ...
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VNC keyboard layouts and conflicting sessions

I am trying to set up VNC. Now I am experimenting in Virtual Box because I am facing a lot of problems. My current set up is Ubuntu 16.04 on virtualbox with latest TigerVNC but I also tried Ubuntu 18....
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VNC Server Step up error in Ubuntu 18.04 & how to use non-root user for access?

I have installed tightvncserver and configured the basic setting in DGX station. However, I got error when I run 'vncserver'. The error detailed info as below: How should I fix it? And, at the ...
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262 views

x11vnc XOpenDisplay failed

I am connected to a Raspberry Pi 4 via ssh. The Pi is operated headless. Now I want to use x11vnc to get the gui. However, when I am running x11vnc I receive this error: XOpenDisplay("") failed. ...
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22 views

(iptables) Best way to lock a a connection to a single outgoing tcp port?

The context is I have my music on a single fanless PC that I would like to control through TightVNC on my main machine. To be absolutely anal about this, I would like to allow TCP port 5900 ...
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42 views

realVNC very slow, what is the bottle neck if the network is fast?

I hope this is the right place where to ask this. Background: I need to connect remotely to a Cents OS 7 server from my ubuntu 18.04 and to use a GUI, but not concerned with image quality: just need ...
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Remote desktop connection to Ubuntu with (remote) port 22

I have an access to a remote Ubuntu machine of my Lab's, and the machine has public IP aaa:bbb:cc:ddd. (I am going to build a website.) In the Lab, I can connect successfully with SSH, in CLI, to aaa:...
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SSH tunnel for VNC through IP forwarding?

I'm trying to setup a VNC connection from my local desktop to another machine. I'm having some difficulties with how to setup the port forwarding I need to make it work. The machine setup is like ...
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Script that would create a temporary folder linked to the client VNC machine

So I got to thinking about some things after setting up a VNC server on my Manjaro box, and was wondering if there were tools our there to do this kind of thing. Let me describe the happy path: User ...
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vnc broke my mouse in freebsd

I am using freebsd 12.1 I will include a Tl:DR at the end I installed x11vnc, xorg, and started it then launched x11vnc the following parameters "x11vnc -rfbauth ~/.vnc/passwd -forever -display" It ...
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A VNC server is already running, but no lock file for that

Although there is no X11 lock on display 12, vncserver can not start that display number due to a "VNC server that is running on 12". # rm /tmp/.X12-lock rm: cannot remove ‘/tmp/.X12-lock’: No such ...
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resizing vncserver and xrandr in RHEL 6

vncserver -screen scrn 1920x1080x32 this works for me in RHEL 7.6, as well as SLES 11.4 I am running a separate system on RHEL 6.9 which has had security settings already applied [manipulated] by ...
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1answer
24 views

build vnc4server from source

I want to build vnc4server from source, but am surprized that I'm unable to find the source code. Background: I'm running TinyCore linux for a few years on a 32bit embedded devices. It's running ...
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83 views

Unable to open VS Code on Ubuntu VM instance on Google Cloud

I am facing a problem when trying to open VS Code on my Virtual machine in Google cloud using VNC viewer.  It's Real VNC, and I checked that vscode is not running in multiple VNC sessions. The VM is ...
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291 views

Why is vnc connection to linux lock screen “locked out” with no way to enter password?

From my Windows box, I connect to my Linux box using VNC viewer/server. On the Linux box, when my session times out, and after the lock screen kicks in, if I subsequently try to unlock using the gui, ...
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335 views

Host mouse pointer not aligned with guest mouse pointer in Qemu VNC

When I run Tiny Core Linux in a Qemu virtual machine, the guest mouse pointer is severely misaligned with the host mouse pointer. In the screenshot below, the guest mouse pointer is the one in the ...
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646 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 ...
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23 views

VNC is connecting to the same user on different ports

I have a RHEL 7 server. I configured multi-user access for ten users using VNC. Every user is assigned to a different port. It was working perfectly. Then I got a black screen problem. After trying ...
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2answers
87 views

VNC connection to Xorg window

I have a computer with an attached display starting a Java application via startx. Now I want to access the application remotely via VNC. Is it possible to open a x11vnc session for one Xorg window? (...
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25 views

Can't type some russian characters via VNC

I have Ubuntu 18 installed, then I have tigervncserver on it and I accessing it via remmina or vncclient. In some cases, I am unable to type some specific russian letters. English letters on the same ...
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150 views

.xstartup for KDE

I'm trying diffeent .xstartup files to have KDE up when using thightvncserve, but I keep on seeing the empty screen. Any help? current .xstartup is: #!/bin/sh [ -x /etc/vnc/xstartup ] && ...
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48 views

Cannot modify system configuration

why i cannot add user after install vnc and add the polkit? if i remove the polkit i able to add user from console but rdp didn't work. please help. here is the capture: i am using ubuntu 18.04, ...
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108 views

Is there a way how to persist vncmanager settings for user?

vncmanager has a nice GUI settings tool called vncmanager-controller. It's great for one-off, ad hoc settings but what if I want this settings to be applied always, whenever I log in through VNC. Or ...
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532 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 and I don't have a monitor plugged into it. I want to be able to run the full ubuntu-desktop remotely. I have ...
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5 views

Bridge (patch in) vincviewer?

I have a VNC server configured for multi-user operation (-query) I would like to provision a mechanism for other users to join a session securely. Since VNCViewers (usually) provide a listener mode, ...
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53 views

Possible to do silent/unattended install of XFCE/KDE on debian?

The way I'm installing the DEs: XFCE: apt install -y xfce4 KDE: apt install aptitude tasksel aptitude install ~t^desktop$ ~t^kde-desktop$ Both seem to prompt for a selection for the language/...
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1answer
110 views

VNC x0vncserver “password” parameter not working as expected

I'm trying hard to configure sort of "desktop sharing solution" on Linux Mint 19.2 MATE. I basically need a way for tech support to provide assistance for remote user on his very desktop. The idea is ...
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2k views

vnc gray screen on debian 10 gnome 3

I describe what I exactly did : First , I installed debian10-netinstall. Then I installed Gnome via 'Tasksel' command. Then I used this Tutorial for installing vnc server. Then I start vncserver ...
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How to resolve and fix vnc desktop resolution ( GEOMETRY )?

I see many of questions about VNC GEOMETRY problem, but unfortunately, i cannot resolve my problem and I have to come here and tell you about my problem: when I want to use this command: ...
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1answer
41 views

VNC view distorted

I'm running latest raspbian buster on a raspi 3, and launched a vncserver on it. Then connecting through remmina, the output is kind of grabled/distorted, see example. What could be the reason and how ...
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1answer
610 views

How to VNC to Ubuntu 19.04 without monitor while connected via SSH

I am trying to figure out how I can VNC to my Ubuntu 19.04 desktop which doesn't have a monitor or keyboard/mouse. I installed Ubuntu 19.04 on an external USB hard drive using my MacBook Air. I then ...
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1answer
108 views

Run Ubuntu No Monitor

I would like to run an Ubuntu (18.0.4) desktop with no monitor/keyboard attached, and access it via VNC (or Remote Desktop) from a Windows 10 Pro machine. I have installed VNC Viewer on Windows and ...
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38 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 ...
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981 views

VNC Black screen using GNOME

I was working in a Oracle Linux server through XRDP with Xvnc(TigerVNC) and the server crash. After the crash I only can access the server through XRDP with Xorg, but not with Xvnc, when I try to ...
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447 views

Access Ubuntu desktop remotely from Mac OS

I would like to be able to access my Ubuntu 18.04 desktop (not just terminal) from Mac OS (Mojave), and have tried a couple solutions, with less-then-desirable results: Installing google chrome ...
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132 views

Clipboard problem in x11vnc

I am having problems when using the clipboard function in x11vnc. I have no problems copying something from the server and pasting it into my client, but I can not do it from the client to the server. ...
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1answer
1k views

Configuring TigerVNC systemd process on Ubuntu 18.04

I've been trying to get TigerVNC working on a clean install of desktop Ubuntu 18.04 (GNOME and all). Running vncserver :1 -localhost no allows me to connect perfectly fine, but my systemd service does ...
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48 views

Copy/paste on local desktop not working when tigervnc active

I cannot copy/paste (ctrl+c or just right click) text/file on my computer, when I have tigervnc connection active. When i.e. I do ctrl+v to text editor, I get a content of a clipboard of the remote ...
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1answer
375 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 ...
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1answer
82 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 ...
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83 views

Missing icons with Xfce on Ubuntu 18.04.2

I use Ubuntu 18.04.2 with VNC connection from Windows. I see most of the menu options and items in folders without its icons, as follows: System information: Linux vps568 4.15.0-52-generic #56-...

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