In computing, Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the RFB protocol to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a ...

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Unable to SSH to server unless a VNC connection is first established

I have recently set up an Ubuntu 10.10 (32bit) server on a VPS host. Following the Ubuntu installer I added OpenSSH. Very little else has been installed and it's the default OpenSSH configuration. ...
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392 views

TigerVNC - how to change quality?

I'm using tigerVNC and I'm quite satisfied with it but I can't seem to be able to change the quality level. Appending arguments behind $vncviewer like QualityLevel=4 doesn't help, because it is ...
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1k views

Multiple VNC servers on network

I am wondering if anyone has been able to create multiple VNC servers on the same network. I have conquered 2, but once I try to do 6 at the same time, it seems impossible. I was told to try port ...
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1answer
231 views

PC to MAC Ethernet LAN

I'm trying to setup VNC between a (Windows XP) PC and a MAC (OS X) for semi-permanent installation in a space, but I can't even get the PC to ping the mac. I've got an ethernet cable running between ...
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2answers
429 views

Snow leopard: Remote display server?

I am looking for a way to use a Mac computer with Snow Leopard from a remote machine. I know Snow Leopard has a VNC server built-in, but this has two drawbacks: The VNC server is attached to the ...
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1answer
2k views

VNC over xinetd doesn't starts vncserver

in Debian Lenny, using TightVNC 1.3.9 I can setup a VNC server manually by using vncserver -query localhost -once -geometry 1024x768 -depth 16 :1 But then, as I have read is a better option, I use ...
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3answers
356 views

VNC into workstations, send messages etc?

I am using Windows Server 2008 with Windows XP workstations. Occasionally I flick though the workstations at random and see what people are doing. Sometimes, albeit rarely, I see them doing something ...
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2answers
2k views

enabling XDMCP in XFCE w/ GDM (VNC Server in XFCE)

Using XFCE4, I'm trying to enable XDMCP for it. In fact what I'm looking for is to setup a VNC server with TightVNC in a machine running XFCE4. I already managed to connect via x11vnc but this ...
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4k views

x11vnc working in Ubuntu 10.10

I'm trying to start x11vnc in a Ubuntu 10.10 (my server is in Amazon EC2), but I have the next error $ sudo x11vnc -forever -usepw -httpdir /usr/share/vnc-java/ -httpport 5900 -auth /usr/sbin/gdm ...
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8answers
545 views

Terminal server for Linux

What are the features of graphical terminal servers and technologies available for Linux? is it open source/free how well does it scale management (?) what's the network usage, susceptibility to ...
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2answers
318 views

Setup a secure Peer to Peer connection over WIFI?

In my company we sometimes setup PC in hard to reach places. These PCs have WIFI USB dongles, and I want to control them from my laptop using VNC. How do I setup a secure P2P connection over WIFI? ...
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1answer
1k views

Cannot connect to Xen domU via VNC if X isn't installed on domU

I'm trying to build a Xen domU that can be connected through the Xen's VNC server. Below is the template (actually it's generated by OpenNebula): name = 'one-153' #O CPU_CREDITS = 256 memory = '128' ...
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1answer
58 views

VNC Job scheduling

Does anyone have any experience with synchronizing files across multiple machines at set times through VNC? Is there any software that can do this, looks like tightVNC is not capable of scheduling ...
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1answer
486 views

problems connecting through vncviewer

I am currently connecting ok, but all that displays is a black screen in windows vncviewer. I looked at the log and this is what I got. Can someone help explain? Sun Oct 31 16:20:01 2010 vncext: ...
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2answers
523 views

VNC application/terminal server

Which software should I use, if I want to set up a linux VNC terminal server that works in this way: The VNC server should be able to accept up to X simultanous connections on the same port 5900. The ...
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6answers
2k views

VNC a Specific App Only

I have an arbitrary application (perhaps several) running on a server, and I want a remote client to be able to connect to the server and use a specific application (and only that application). In the ...
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5answers
6k views

Access VNC on Ubuntu through web browser?

I want to install desktop GUI on my Ubuntu server (for development usage) and then be able to see my remote screen through the web browser with VNC. Is this possible? If so, could you provide me some ...
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1answer
78 views

VNC Serve Part of Desktop

Is it possible to only serve a specified box of your desktop via VNC, instead of the entire thing?
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3answers
446 views

Can someone explain how NX works?

I can't seem to find much about how the NX protocol actually works. I have heard it does something with sending X11 commands. But does this mean that the listening clients need to have an x server to ...
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2answers
405 views

CentOS - XServer, VNC, Display conflict

Here's what I want to do: I need to set up this computer so that the physical output display, via the primary display port, is duplicated when someone connects via vnc. Here's the problem: I can ...
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2answers
1k views

connecting to OS X remote management VNC from Linux or Windows

OSX box has remote management enabled (AppleVNCServer) and port 5900 open. Using tightvnc/ultravnc/realvnc can't connect because of "security protocol mismatch" (don't have the exact phrase). Googling ...
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1answer
164 views

Is there a tool that will allow concurrent remote sessions into an iMac?

Looking for 2+ users to be able to remote into an iMac we have and each have their own session. Machine is going to be used as a platform to develop for iOS as well as a general purpose machine. I ...
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1answer
164 views

Running Flash on a headless Solaris box

Our build server is a Solaris box, and I'm trying to run a suite of FlexUnit tests as part of the automated build process. This works by compiling a swf movie with a suite of automated unit tests. ...
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2answers
490 views

Can connect to VNC only when computer is connected to another vnc server

I am having issues with a VNC. I am currently using Windows XP with UltraVNC. I am unable to connect to a vnc server. The only way for me to connect to the server is if I am connected to another VNC ...
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3answers
11k views

How can OpenGL graphics be displayed remotely using VNC?

I am attempting to run a program that uses OpenGL to render a model in a viewport through VNC unsuccessfully. The error message I receive is - Xlib: extension "GLX" missing on display ":1.0". It was ...
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1answer
2k views

x11vnc, how to enable shift-key?

The shift key won't work through VNC to my Ubuntu server except for the characters ÅÄÖ. I'm using UTF-8 and sv_SE as locale. I find no options or settings that I can set nor do I find any information ...
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2answers
435 views

VNC keystrokes not sending to remote desktop

I'm using TightVNC to connect from my work computer (Fedora) to my home desktop (Windows 7). For some reason when I attempt to type in the remote desktop (vnc viewer) the keystrokes aren't sending to ...
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1answer
606 views

Why doesn't drag and drop work on my Ubuntu based VNC desktop?

I'm running Ubuntu Lucid (10.4) x86_64 as a guest system on a headless Debian Lenny Xen hypervisor. On the Ubuntu machine, I run an X-server with a normal Gnome Desktop which is only reachable through ...
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1answer
2k views

How to configure VNC in Ubuntu 10.04 server edition

I have found next instruction on how to do that Install packages. Code: sudo apt-get install x11vnc vnc-java Set up a password for clients. Code: x11vnc -storepasswd Open up ports 5800 and 5900 on ...
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3answers
216 views

VNC connection to Windows XP

I have a Win XP work laptop with a VPN connection to our corporate network. The laptop is rather old and the screen is very small, so when at home I'd like to use it thru VNC (running Ubuntu). I'm ...
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3answers
310 views

What's the most efficient way to set up an a remote desktop server with Linux?

I need my Windows users to have a remote desktop (via RDP or VNC, I suppose, or maybe there's something better) on a Linux server to run desktop applications (the most important of which is a Win32 ...
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1answer
164 views

Does X.org and VNC serers requide a video card?

Can I use VBoxHeadless virtual machine as a X-server for remote users?
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3answers
2k views

Configuring RealVNC to accept copy/paste on a remote server

So, I'm using RealVNC Viewer locally (Mac OSX 10.6) and connecting to a VNC Server on a remote machine (Debian - I'm no Unix expert). I want to be able to copy and paste at the command line, but ...
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3answers
178 views

OSX Server VNC configuration

We've had a good deal of trouble configuring our Xserves so that various systems can reliably connect to them via VNC. One particular sore spot has been making the built-in screen sharing client on ...
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3answers
12k views

How to configure VNC in Linux Suse

I am trying to configure openSUSE 11.2 "Emerald" for Remote access, and having a problem What I have done: Using YaST -> Network Devices -> Remote Administering -> Allow Remote Administration ...
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5answers
305 views

users connecting to remote desktop to use software

Im an IT assistant at a CNC milling company and we use a program called made2manage. Its an ERP (enterprise resource management) software. Each license is something like 5k and instead of giving each ...
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2answers
1k views

Ubuntu Server running VNC

I have access to four computers: 1 Ubuntu Server desktop (Version 10.04) 1 Mac Mini (Snow Leopard) 1 Windows desktop (Windows 7) 1 Windows laptop (Windows Vista) The first three will always be on ...
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2answers
126 views

problem with VNC

I upload vnc on my server and when i execute it : winvnc.exe -install i get this error : The vnc service could not be installed what am i going to do ?
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2answers
129 views

problem with VNC

I set a VNC on my server and but when I want to connect to my server with VNC i get this error : " Failed to connect to server" what am i going to do ? thanks in advance
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4answers
5k views

Starting x11vnc remotely when X server is already running

I have a ubuntu linux machine that I have already logged into and X server is running (it is pass the login manager like gdm). I can access this machine through ssh. My goal is to start x11vnc on this ...
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1answer
1k views

How can I monitor VNC via Nagios?

I have a number of remote sites which have VNC running on a few computers for support purposes. They are (obviously) only available on our internal network. I am using Nagios to keep track of all ...
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3answers
140 views

Need a hardware solution for remote controling a PC

Hello We have kiosk computers scattered around the country, and are using VNC to control them. But VNC has limitations (only works if the OS is intact, for instance). I want to be able to control the ...
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1answer
237 views

enable vnc on xen without having to shut down all the domains

The last guy forgot to enable vnc connections on our Xen blade and I need to install a windows domain, is there any way I can enable vnc without shutting down half our company? From what I can tell I ...
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2answers
505 views

something like persistent X forwarding?

I'm having trouble with the title on this one, please edit. When users connect to a VM with VNC/NX/RDP/other-tla they get a persistent desktop in a window . When they connect using ssh -X ...
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2answers
2k views

Prevent VNC session from locking screen

Is there a way to set a parameter with a VNC server session so that the screen doesn't lock due to a timeout? Thanks for any help in advance.
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1answer
3k views

VncServer can't restart because of Xvnc

I'm working on a Red Hat Linux server. VNC server started to act weird (i.e. the sessions became Spartan). So I decided to reboot VNC server. I keep getting the following error message: "unable to ...
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2answers
318 views

Reverse rdesktop or VNC overlay image!

I've got a central server (linux based) and many clients (Windows XP Embedded, afaik) in public places around my country. I need to have these clients to connect to the server with a "reverse" tunnel, ...
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2answers
3k views

Remotely set VNC service password

After a Windows update I cannot connect to a Windows Server 2008 machine via RDP. As an alternative, I remotely installed UltraVNC using PsExec. The WinVNC service starts successfully but when I try ...
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5answers
694 views

How to protect an OS X Server from an unauthorized physical connection?

I have an OS X 10.6 server, which I administer via SSH and VNC (via SSH tunnel). I can't leave it at the login window since then VNC connections are refused. Therefore I currently leave it logged ...
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6answers
2k views

KVM switch with VNC server

Does anyone know of a KVM switch that is also a VNC (or other protocol like it) server?