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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889 views

Error initializing VNC client in Guacamole

I am trying to allow remote desktop connection to users on a LAN to a machine running Ubuntu 14.04. I have setup Guacamole (using these instructions) and I am able to connect to the web-application, ...
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3answers
696 views

RealVNC SSH tunnel still warns of unencrypted connection

I'm using Putty and RealVNC to establish a secure connection to an OSX 10.9 server machine. I've tried to run this connection over an ssh tunnel I set up, but the client warns of an unencryted ...
1
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1answer
552 views

remote desktop control - connect from windows 7 to mac ox x mavericks on same LAN [closed]

I'm struggling here to find a viable solution to my problem - connecting from windows 7 to mac osx for remote desktop access on the same LAN. I have a mac mini, quite literally 10 feet away from me ...
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1answer
178 views

Change VNC password without losing the session

I have a VNC session to my server(linux), but now i need to change their password, however, i cannot lose that session. If I use this command: vncpasswd [passwd-file] Does anyone know if I will ...
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votes
1answer
683 views

X11VNC server service shuts down automatically after first connect ends [closed]

I have configured X11VNC server with SSL and server starts listening on the default port 5900 and I can connect to the server however, when the connection ends the server stops listening on the port ...
0
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1answer
461 views

Can't connect to 2 different Linux computers via VNC (local network)

I have a problem connecting to Vino VNC server with 2 Linux Computers running Xubuntu. The computers are Based on the ODroid U3 chip which is ARM based. When both of the ODroids are on the same ...
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votes
1answer
50 views

wants to provide password to tightvnc server by using script

I am installating tightvnc server on my ubuntu machine by using ruby script my script contain following: #!/usr/bin/ruby env `sudo apt-get --force-yes -y install tightvncserver` `printf ...
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0answers
29 views

How to set up unique X-server for each active VNC user

I'm trying to set up a server for analysing MEG data where it's possible for multiple users to simultaneously run unique instances of Matlab on unique X instances. We have 32 gb ram and an SSD, so I'm ...
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2answers
560 views

Changing VNC Password Remotely - All Sorts of Versions (Windows)

There are a few other posts (e.g. Remotely set VNC service password ) on that subject but they are narrow to one specific VNC software/version. I have a situation whereby I have about 500 PCs on a ...
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votes
1answer
92 views

How to forward vnc for multiple hops [closed]

I have 2 machines Intrim and Remote. I have to go through Intrim to get to Remote. Normally I just do this: ssh -X Intrim #now I'm in Intrim ssh -X Remote And I just open up things with the ...
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1answer
101 views

VNC “Master Server” existing?

Actually in our company we have install a VNC Server on every single computer. To access them from "outside" i had to add NAT for each internal server to the firewall. It there existing something ...
2
votes
2answers
1k views

VNC Server for a Headless Debian box?

Which VNC Server can I use to run graphical applications (i.e. X Clients) on a headless Debian Wheezy box? Usually I don't need graphical applications on servers but from time to time there are ...
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1answer
1k views

x11vnc server lets me connect at login screen, but after login, connection closes

I have an existing xubuntu server running on my local network. I set up x11vnc and it starts at the login screen, so I can login myself. The only problem is that every time I log in, the vnc ...
3
votes
1answer
1k views

VNC server failure after booting - Failed to get connection to session

I'm having this error from the log file of a Tiger VNC server (version tigervnc-server-1.1.0-5.el6_4.1.x86_64): Failed to contact configuration server; some possible causes are that you need to ...
1
vote
1answer
156 views

Connecting to Mac OS X VNC with Kerberos authentication [closed]

I'm running Mac OS X Server with remote administration. Apple uses VNC with (I believe) Kerberos authentication. I do NOT use a VNC password, just the user-based authentication. I need to find a VNC ...
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1answer
499 views

VNC Server using different GUI to localmachine?

When I started a VNCServer instance on my machine it seems to be using an older version of Solaris GUI. However when I go down to the server room and login locally to the machine I get a nice newer ...
-1
votes
2answers
59 views

Set up network to provide remote assistance [closed]

Currently: On location A I've got 7 computers running Windows XP Professional SP3. I've got 2 of these running a free version of Teamviewer. The rest have nothing and I can't access them from ...
0
votes
1answer
317 views

VNC unattended Server (No user Interaction)

I worked on a proof on concept a while ago.... whereby I managed to get VNC going in full "unattended" mode... I.e. The VNC Server dials into the viewer... which is running in Listening mode. The ...
0
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1answer
26 views

How can I view my logged in desktop on Red Hat with my VNCViewer?

I have TigerVNC running on my Red Hat machine. I am using 5902 and 5903. When I remote in, it is a whole new X session. I changed one of the ports to 0, but RH says it is already being used. I am ...
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1answer
31 views

KVN VPS - > VNC entered passwokrds can be seen by admin?

I have KVN VPS. I encrypted full disk on CentOS install. I know sys admin can see my VNC but can they record what passwords I enter on VNC (disk encryption and ssh pass) ?
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votes
1answer
45 views

RDP to remote Natted machines [closed]

I currently have a situation where I have around 20 machines across 7 or so locations where each of those locations is firewalled. We need to be able to pull up a remote desktop on these machines ...
0
votes
1answer
343 views

cron job not running the script that start vncserver

Hi I wrote a script to start my vncserver when I call it manually via command line. It works as follows: the script is in usr/bin I gave it the right authorization (chmod u+x startvnc) but wen I ...
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1answer
411 views

Sharing a VNC session

Several of our users access a group of Linux servers via VNC and recently have decided they'd like to share their session with other users doing the same type of work. Being that they don't really ...
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votes
2answers
423 views

Remote Management (VNC-style) without Port Forwarding [closed]

Is there a way of setting up a VNC-style server (RDP would do as well) on machines behind NATs, and have access to them? Should be technically possible by having outgoing connections from the NATed ...
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2answers
668 views

vnc to kvm host not working despite succesfull network connection

I have a centos 6.4 box running openstack grizzly. I have various instances running, yet I can not view their console. Horizon has a built in console viewer called novnc-proxy, which is not working ...
3
votes
1answer
139 views

puppet inserts two lines as one into a configuration file

I've created the next Puppet manifest file: node 'puppetmaster' { package { "screen": ensure => "installed"} $enhancers = [ "pixman","pixman-devel","libXfont","tigervnc-server" ] ...
1
vote
1answer
742 views

Shadowing with x0vncserver - No mouse pointer

I am working on a solution to shadow a user's X session in a multiuser desktop environment. If one wants to shadow a session they use my script. My script sets the proper XAUTHORITY environment ...
0
votes
1answer
1k views

Windows 2012 remote access can't connect

I have installed Windows Server 2012 for about 9 months ago. Earlier I could connect to my server with an external IP perfectly, but the license for the remote desktop services has ended. First, I ...
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vote
1answer
26k views

I can't connect to VNC Server (connection refused : error 10061). [closed]

I purchased a vps and configured it by using this tutorial (means installed GENOM desktop and VNC server): http://www.time4vps.eu/knowledgebase.php?action=displayarticle&id=41 Then I installed ...
0
votes
1answer
103 views

I can not boot up from an USB stick while I am connected with Intel AMT KVM

This is very strange. I can not boot up from an USB device until I reboot and close the connection immediately. Then everything works well. I can not provide more information than this, because I ...
1
vote
1answer
3k views

vnc-server not installed on CentOS 6.4

while following this Guide , i did this: yum install vnc-server and it installed success fully , but rpm -q vnc-server returns package vnc-server is not installed while yum install ...
1
vote
1answer
339 views

Using an existing connection with vncserver-virtuald

There are three ways to run vncserver (RealVNC): User Mode - Show the desktop of the currently logged on user Service Mode - Show the computer's console Virtual Mode for (UNIX/Linux only) - Create ...
2
votes
3answers
3k views

YUM install tigervnc-server fails on RHEL 6.1

Installing tigervnc-server fails on RHEL 6.1 with the message below. One person recommended installing all of the xorg-x11 packages, but that gives the same message (below too). Do I need to add new ...
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0answers
894 views

How to get xrdp working on centos/rhel 6?

I'm trying to get xrdp running on centos/rhel 6. I installed it from the epel repo (also installed Gnome desktop and tigervnc-server). I'm able to start the service, and also get to the login screen ...
2
votes
2answers
2k views

Cannot connect to Openstack Instance via horizon, but SSH works?

I've got an OpenStack deployment running inside a VM for testing purposes. My setup is as follows: Host Ubuntu x64 with Virtualbox -> Guest Ubuntu x64 with OpenStack -> Ubuntu X64 Server Test ...
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0answers
453 views

UltraVNC intigration with MDT

I'm trying to get UltraVNC integrated with WinPE to allow remote control over deployments in MDT 2012. These are the steps I've taken so far. Extracted winvnc.exe, vnchooks.dll to a directory ...
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0answers
4k views

VNC faster than Spice for remote access to KVM guest?

Having used RDP before, I'm not exactly thrilled with the performance I am seeing from VNC to my KVM virtual machines. The KVM host is Ubuntu 12.04 server x64. I've read that Spice is faster, and ...
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votes
2answers
572 views

Remote Desktop Software with low latency for thin clients [closed]

I'm currently using a thin client with the following specification: I am searching for Remote Desktop software that will allow me to have a very low latency for audio quality on my thin clients. ...
0
votes
1answer
102 views

linux vnc - continue to run programs while not logged in

Is it possible to "fake logoff" a VNC session, so that when I log off programs continue to run? For example, I log onto my remote computer, start Firefox and open a couple of tabs and download some ...
-1
votes
1answer
172 views

tightvnc, belkin router, port 4900 open, still cant connect [closed]

My computer on a private LAN, which connects to a router, which is connected to the internet. Their computer is behind a belkin wireless router. I have turned the firewall and AV off for the computer ...
4
votes
2answers
4k views

Change VNC listen address in Libvirt without restarting VM

Is there a way to to edit the listen address of a Libvirt-Machine on the fly? At the moment it seems like when I want to edit the listen address, I have to shut down the corresponding VM first, then ...
0
votes
2answers
315 views

Can't get beyond boot screen after booting from CD in KVM

I've just installed KVM on Debian 6 64 bit and have created 2 guests and booted one of them. I can connect via VNC and I get the Debian CD boot options (text/graphical install). I have tried ...
3
votes
2answers
943 views

Does Citrix XenApp use less network traffic than VNC or Remote Desktop?

I read in Wikipedia that XenApp is based on GDI commands sent over the network instead of based on images sent over the network like VNC does; does XenApp use less network traffic then Terminal ...
-1
votes
1answer
2k views

Remote mouse pointer not visible in VNC [closed]

I used VNC desktops as a kind of collaboration server, as shared planning and pair programming environment for a long time. Now my latest iteration uses a KVM guest running Fedora 17 "Beefy Miracle", ...
1
vote
0answers
170 views

VNC goes to wrong IP (CentOS and Smoothwall VM)

OK, this one is so very weird. I have CentOS 6.3 (host) running Virtual Machine Manager and several virtual machines. The host as the public IP xxx.xxx.xxx.209. One of the virtual machines is ...
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2answers
440 views

Screen sharing stopped working Mac OSX 10.7.4

Yesterday, after installing Myob Account Edge accounting on my mac mini server, I lost the ability to screen share with it using the vnc protocol (Go menu > connect to server). When I try to connect, ...
0
votes
1answer
127 views

How to access vm inside a vm via VNC?

For some reasons I installed virtual machines inside a virtual machine, like this: A( B( C )) where A is the physical machine, B is a vm and the network type is NAT. And C is also a virtual machine ...
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0answers
861 views

gnome in vnc not showing any window

When i use vnc to connect my server (i'm using Centos 6 x64 and gnome ), gnome didnt show any title bar / window border, the mouse pointer always in loading animation state this is xstartup code i ...
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0answers
2k views

Can not display Proxmox console due to Connection time out

When I try to open console in proxmox ve nothing happens and I see this error in logs: no connection : Connection timed out TASK ERROR: command '/bin/nc -l -p 5900 -w 10 -c '/usr/sbin/qm vncproxy 100 ...
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0answers
73 views

Why would vnc viewer not read from a configuration file?

I have a script that I'm using to start VNC Viewer. My script starts VNC Viewer successfully, but the viewer seems to be ignoring the command-line arguments, as in the dialog pops up asking for a host ...