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

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336 views

VNC-Server as a virtual X11 monitor

From a currently running X11 session, I would like to provide run a VNC server such that it appears to my system as a second, “virtual” monitor – i.e. so that I can position it using xrandr and the ...
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21 views

Where does Linux vncserver (Xvnc) get the list of geometry possiblities

I have looked through through parts of the code, and the places obvious to me, but I have not found the place that I can add legal geometries for a vncserver that I can set using xrandr. I have tried ...
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4k views

Understanding “vncserver -list” with respect to Xvnc processes

I have a pretty standard setup on a Centos 6.5 VM. I've configured VNC sessions to start at boot per CentOS's wiki VNCSERVERS="1:root 2:moe 3:curly" VNCSERVERARGS[1]="-geometry 640x480" ...
3
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439 views

Why VNC performance seems to have dropped over the years?

I've been using VNC since around 2000 (even earlier), back then I used a 19k cellular modem to connect to my desktop. Lately I've been connecting to my Ubuntu desktop from my Android phone. It seems ...
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785 views

Logged into ubuntu via VNC. Windows key seems stuck

I have an ubuntu server running vnc4server and gnome-session. When i log in remotely using VNC, it appears that the windows key is stuck. This occurs with multiple VNC clients (ultraVNC/realVNC on ...
3
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311 views

How frequently are updates sent to a VNC client?

I am trying to understand how the VNC mechanism works. The RFB protocol 3.8 specifications say : The update protocol is demand-driven by the client. That is, an update is only sent from the ...
3
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1k views

Using gdm to manage xdmcp authentication over VNC

I've followed a few guides in order to enable XDMCP over VNC, however the end result is an ugly, if functional, default X login screen. It is not utilizing gdm for the authentication process, and I ...
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19 views

Isolating all audio for a specific user account with Pulseaudio

I've done some Googling on this subject, and looked around on Stack Exchange, but I haven't yet found a question canonically similar to mine. If this is the wrong section of Stack Exchange to ask this ...
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63 views

Creating a virtual X11 output with Nvidia driver

I'm attempting to follow this guide to extend the desktop on computer A to computer B by creating a virtual output on computer A and using vnc to display the virtual output on computer B. The ...
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369 views

kill or kick all clients from a running vncserver without restarting the server

I encounter quite often the problem, that I want to kick all connected clients from a running vncserver. Even better would be to be able to kick / kill even certain clients. With netstat -tupa | grep ...
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396 views

VNC - Arch - Gnome; I can't type in the password on the login screen because it is cleared every second

I have an Arch linux box that is almost running perfectly but when i connect to the vncserver and the sreensaver turns the screen black, i am forced to reenter the password on the loginscreen of gnome ...
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110 views

How to set up remote graphical sessions on CentOs?

Trying to set up a Centos 6 server configuration where we can automate the running of an application that uses Selenium. In this case, ideally, we should be able to: Create a graphical session ...
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112 views

Alternate screensaver settings on different X instances

On my desktop system, I run two instances of X-- one is associated with the physical screen, one is associated with a virtual screen (a la vncserver). I use the physical one to do things related to ...
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95 views

Regain control of an X Server

I have a Gnome session running on my server. I started it with tightvncserver. Now it wont let me in anymore because of Too many authentication failures - client rejected This seems to be a ...
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327 views

System beep not working in TigerVNC

I just upgraded my Gentoo Linux computer (where I'm running Xvnc from TigerVNC 1.0.90 (1.1 beta 1) compiled myself against xorg-server 1.9.5), and I'm no longer getting any bell sounds, just silence. ...
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9 views

linux (ubuntu) graphical login from a remote computer before session is logged in

I have the ability to VNC into a remotely hosted ubuntu session with VNC after I've logged into that desktop session locally on that machine. My problem comes when I want to restart the computer ...
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29 views

Monitor mirroring

I need to mirror a remote monitor from a server running CentOS 6.5. With VNC I'm able to connect to the :0 display (that it's the one it is shown on the remote server monitor) but when I change user ...
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54 views

Using VNC without unlocking the lock screen locally

Currently I use VNC to connect to a virtual desktop on my Fedora workstation, which for the most part works fine. But ideally I'd like to connect to my active session on the workstation and access ...
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21 views

Where are minimized windows in naked Xvnc4? How to restore minimized windows?

I am running VNC server as described here: No windows frames on VNC screen I am running only few applications, so I have empty desktop and terminal in the beginning. If I run some application, like ...
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49 views

x11vnc and -unixpw_cmd option

X11vnc server stores the passwords nearly in plaintext (there is an option to get the password back from the password file). Therefore i want to implement a password check using sha256 or another ...
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55 views

Can two USB RNDIS gadgets with the same IP connect to one computer's VNC servers?

I have two android gadgets set to USB tether mode, connecting to one computer. I'd like to have one gadget connect to VNC on port 5900 and the other on port 5902. When they're both connected, the ...
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14 views

VNC rendering is all fragmented

I have my VNC server so configured, that it requires me to establish an ssh tunnel and connect to it on localhost:1 with my vncviewer. Now the connectivity seems to work fine but the rendering of the ...
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922 views

How to run vncserver as a user (not root)?

I'd like to remote access a desktop of a specfic user and not a root desktop; however when I run the vncserver it always produces a rooted desktop. This could be related to the installation of ...
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150 views

Required new 'X' desktop for VNC?

I'm on Raspberry pi 2, running Raspian, and using Ubuntu 14.04. I am using the tightvncserver. I don't think I should have to start a new 'X' desktop each time I want to VNC into the pi, but whenever ...
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734 views

Can't add keyboard layout on Debian remote desktop

I want to enable Russian keyboard layout on a Debian remote desktop (connected with Xvnc). dpkg-reconfigure keyboard-configuration changed /etc/default/keyboard as desired: # KEYBOARD CONFIGURATION ...
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98 views

How to do x2go Remote Login for Machine Initialization?

I am a cloud computer user. In order to create a new virtual machine in the cloud, usually I have to initialize it using vnc viewer in the cloud control panel before I can access it with x2go client. ...
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281 views

Start X11vnc on boot at SLIM login window

Debian 7.7 Wheezy, xorg, SLIM, i3 I'm unable to have x11vnc -usepw -forever started with SLIM, to offer a vnc connection on boot, as I do not have a monitor attached to the computer. I tried to add ...
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124 views

xtightvnc through ssh gateway — connection refused

Following setup: homepc -> gateway -> workpc workpc:~$ tightvncserver :12 homepc:~$ ssh -N gatewayuser@gateway -L 1212:workpc:5912 Now I try to connect via homepc:~$ xtightvncviewer ...
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106 views

customizing size of emacs windows in twm, depending on the vnc session

I connect to the same Unix system (that runs tab windows manager, twm) via vnc. I connect from a laptop with a small screen and from a workstations with a large screen. I have started two different ...
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47 views

Sharing content/apps between console and VNC console

I have a linux box that I use a lot from my Mac laptop (1920x1200 resolution screen) via VNC. At work, I have a dual-monitor setup for the Linux Box (1600x1200 each monitor). I use the VNC ...
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435 views

Keyboard mapping VNC

I recently installed realvnc server on my pc running windows 7, however when connecting from my macbook using the "screen sharing.app" a number of keys are unavailable. For example I need to use the ...
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83 views

Configure Cent OS 6.4 so that desktop persists after closing VNC session?

I want to configure my newly bought VPS to be able to automatically boot into the Xfce window manager and let users connect to it via VNC and still keep the window manager running after the user ...
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363 views

Disable SSH Tunnel with KVM VNC Server

Here at work we've set up a KVM server that hosts a couple guest machines. The KVM itself is headless and we remote into whenever needed, but we would like to be able to VNC into the guests. I have ...
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879 views

TigerVNC Cinnamon session on Fedora 17

I'm trying to properly start a Cinnamon (2D) session in tigervnc-server on Fedora 17 "Beefy Miracle". The only way I currently know to accomplish this is to modify the file /etc/X11/xinit/Xclients. ...
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97 views

VNC session turns undead over the weekend

During the week I have a single VNC session I'm working with throughout the week. However, whenever I come back from the weekend or some vacation, I can no longer connect to that session, getting a ...
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370 views

KDE Startup Applications over xrdp

I have Google Chrome installed on my machine. The new chrome runs in the background (for addons like google chat) and has an entry in the KDE startup apps. The trouble I am facing is that when I log ...
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421 views

Launch X11vnc server on Ubuntu remote desktop through SSH

I have a Windows computer and I am currently connected to a Ubuntu 12.04 system through SSH using CRT on my Windows computer. I would like to know the commands that I need to run from my SSH session ...
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512 views

openSUSE 12.1 x64: VNC presents “nobody's X11 desktop”

I activated VNC using Yast and it works but it only display's "nobody's X11 desktop". I use Apple Remote Desktop to connect and gave it username and password. I also tried with Chicken of the VNC ...
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25 views

How to troubleshoot and fix vnc connectivity issue with ubuntu 14.04 virtual machine

I have a remote Ubuntu machine, which I decided to use VNC to connect to. I followed the instructions. The Ubuntu machine is a VM with just a root account at the moment, and I think my problem is that ...
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0answers
6 views

changed individual background in VNC

I have a VNC session with several views under the same VNC session. Since I'm running different tests in each view I want to be able to "label" each of the views or - add text to the background or ...
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109 views

No session for PID xxx (lxpolkit)

I'm trying to use LXDE on debian sid, launching it by adding startlxde to the end of ~/.vnc/xstartup. Using tightvncserver as VNC server: tightvncserver -alwaysshared :1 However, when I log in ...
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0answers
26 views

How to start persistent VNC remote connections in SUSE?

I need to start persistent VNC remote session in SLES 11 SP4 because my installations take long hours. If my connection interrupts, installation will be crashed. Also, I want to disconnect sometimes. ...
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0answers
105 views

Linux Mint 17.3 KDE X11VNC - desktop does not load properly after login

I try to run X11VNC on a headless Linux Mint 17.3KDE machine – started by an entry in the /etc/mdm/Init/Default script. I added this right before the exit 0 statement: # - start the vnc server - ...
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0answers
12 views

Sane monitor hot-plugging and VNC

I have an Intel NUC running Linux that is sometimes plugged into a monitor, and sometimes not. I would like the following behaviour: If I turn it on with or without a monitor plugged in, Xorg should ...
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64 views

Xen DomU PV - how do I get graphics?

Both Dom0 and DomU are Arch linux. Because Xorg :0 -configure results in video card not found as I'm in a DomU, I created a xorg config file. /etc/X11/xorg.conf.d/10-monitor.conf Section "Monitor" ...
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54 views

Different ways to use my cloud virtual machine lead to different interface languages

I use qcloud(a cloud service in China) to run a CentOS 7. In the qlcoud webpage panel, I can use the vnc way to check out my machine. In my own Mac, I can use the ssh to log into my machine. ...
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17 views

Run VNC at startup as root - HOME variable not being set

I have the following code in /etc/init/vnc.conf (used by Ubuntu 14.04's Upstart): description "VNC on start" author "user129013" start on runlevel [2345] exec /root/vnc The job is running ...
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20 views

Start terminal when VNC starts and execute a command within the new display

How can I start a Terminal within the new Display, and execute a command in that Terminal soon after VNC's startup automatically?
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25 views

Virtualbox guest not shutting down while using VNC

I installed Virtualbox 5 on an Arch Linux server. Everything's working fine except shutting down a guest (GUI, SSH, console) while being watched via remote desktop. I reinstalled the extension pack ...
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41 views

Unable to get remote Unix machine GUI using VNC viewer

I have similar issue as mentioned Why VNC not showing actual Remote Desktop. As mentioned in solution, I need to make some changes in ~/.vnc/xstartup. But, unfortunately, I didn't find this file. ...