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

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78 views

Make one VNC server appear as two displays in RHEL

I have a VNC server running in virtual mode in RHEL and I am viewing it on a PC which has two screens. I can make the server use both of my screens by setting the resolution large enough: xrandr -s ...
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205 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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183 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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2k views

How can I forward sound over VNC?

I use TightVNC and Remmina Remote Desktop to connect my Raspberry Pi to my Ubuntu laptop over VNC. It works great for the most part, except for the fact that there is no sound. I have googled all ...
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264 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 ...
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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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1k 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" ...
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177 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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229 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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101 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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104 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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716 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 ...
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83 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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309 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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10 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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27 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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39 views

How vnc decides which x11 session - gnome or xfce to run in client machine?

I can see in my office environment that some user vnc sessions are running on xfce and some with gnome. For me particularly, it's xfce. And by examining the processes I see that xfce is started ...
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236 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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57 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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205 views

How to share Windows clipboard with Linux using TightVNC?

I'm connecting to my Debian squeeze server through the Windows TightVNC viewer and tightvncserver on Linux. I have put the following line in my ~/.vnc/xstartup file: autocutsel -fork However, this ...
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202 views

Fedora VNC problem- getting a grey screen with three checkboxes

I have set up VNC using this guide, however, despite all my efforts, I can't seem to progress beyond this stage: with three checkboxes saying "Accept Clipboard from Viewers", "Send Clipboard to ...
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89 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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626 views

VNC server on Centos 6.4

I have a Centos Desktop VM installed in Virtualbox, and want to connect to it using VNC. I have tried to install vnc-server, but could not connect. I removed it, then tried tigervnc-server, but same ...
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82 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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39 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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278 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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81 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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293 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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769 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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94 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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327 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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368 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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486 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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8 views

Some keys on VNC Viewer on windows 8.1 remoting my debian server doesn't work well

I have a server running Debian 8 Jessie with a windows manager E17 running on it and I have a vnc viewer remoting my server using windons 8.1 but when I tried to write on the terminal of my server via ...
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17 views

X11vnc LDAP Integration

Does anyone have LDAP integrated with X11vnc working? If so will you please share what you did. I have found one instruction set online, but it's confusing.
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36 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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17 views

KRDC to Debian machine gives blue screen on reboot

I have two Debian machines, using XRDP on one and KRDC on the other to create an RDP connection between the two. This process works fine, until I reboot the server. Then, most often, after the server ...
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199 views

Cannot get Tiger-Vnc To Work on Fedora 21

I have followed both the directions here and here. I have gotten very far, but the last task on those guides is to run systemctl start vncserver@:10.service and there I get an error. When I run that ...
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73 views

vncviewer that works in wayland

Is there a vncviewer that supports wayland natively (without xwayland)? As of Apr 2015, I tried the following: tigervnc tightvnc realvnc vinagre The first 3 all failed with Error: Can't open ...
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14 views

How can I maximise Netbeans window from the terminal?

I am on CentOS 6 and using VNCViewer to remote in to a box which has four monitors. The problem is VNCViewer won't allow me to click on the Netbeans Window "Maximise" square, top-right, so I can ...
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69 views

Linux VNC server that adapts to noVNC client's size?

I want to allow clients to connect to a newly created VNC session on a headless Linux server using NoVNC (Web-based VNC client). NoVNC supports a great variety of clients, which include a great ...
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40 views

How to resolve issue of misconfigured vnc server on centos 7

While configuring vncserver in centos 7,the < USER >field in the vnc file gave me quite a bit of thoughts.whether it was to be replaced with the login name for accessing the ssh or some other ...
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48 views

rc.local, su, and a bash script

I've got a bash script /usr/local/bin/startvnc that's just this: #!/bin/bash vncserver -kill :$1 sleep 2 vncserver -geometry 1250x950 :$1 And it gets called, per user, from /etc/rc.local like this: ...
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30 views

Plain remote Linux desktop on my VNC Viewer?

So for some reason my VNC Viewer is not showing any desktop icons on the remote Linux. I remember it first happened after I clicked on the button "Quit this session". I am using putty as a terminal ...
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177 views

Vino server not responding(refreshing) to remote client in Ubuntu 14.10

I have 2 Vino servers installed on 2 different machines having Ubuntu 14.10 with almost same configuration. The thing is in one of the machines, the Desktop Sharing of server at 5900 works fine and we ...
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88 views

Keep my VNC-session alive

I have installed VNC and xrdp on my computer, so I can access it everywhere. I have added a new user, vnc, which I use when I connect to my computer. When I connect via VNC to my computer, with my ...
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63 views

Run Qt Widget program on VPS with Xorg running over VNC

I want to start simple Qt program on my remote VPS. So I installed Xorg, BlackBox and x11vnc. It works good and I can connect to the server with VNC client. I see grey screen and if I run xterm & ...
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170 views

vnc: unable to get a shell prompt with the default opened terminal application

i am setting up a vnc server (vnc4server on mint) and i have a default xstartup file in ~/.vnc. i am using twm window manager. when i connect to the vnc server, i can authenticate successfully and see ...
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41 views

Dropbox on Ubuntu types funny

Recently installed dropbox (as per dropbox.com's instructions) on a linux VPS of mine and when I type letters aren't what they are supposed to be. The rest of the system works fine, just on the ...
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136 views

VNC into login screen (instead of user's desktop)

I'm using RasPi B+ with Raspian from Noobs, lightdm, lxde There are various descriptions out there on how to set up TightVNC on a RasPi, most of them VNC into root's desktop or another ...