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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2answers
475 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 ...
0
votes
1answer
380 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 ...
1
vote
1answer
16k 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
77 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
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1answer
2k 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
224 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
2k 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 ...
0
votes
0answers
738 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 ...
1
vote
1answer
75 views

Providing web-based training using VNC or other tools

I am attempting to implement the capability to provide real-time web-conference style training to a group of 10-15 students located on another continent. We're in Canada, they're in Australia. Here ...
1
vote
1answer
1k 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 ...
0
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0answers
3k 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
406 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
91 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 ...
4
votes
2answers
3k 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
244 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
717 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 ...
-2
votes
1answer
1k 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
137 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 ...
0
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2answers
348 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
113 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 ...
1
vote
0answers
692 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 ...
1
vote
0answers
1k 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 ...
1
vote
1answer
178 views

Will terminal keep executing a command after i disconnect my VNC session? [closed]

I established a remote session in a MacOSX (10.6.8) from my PC (Windows7) using VNC. I initiated terminal and it is currently executing a task that will take probably 1 day before completing. Should I ...
0
votes
1answer
393 views

VNC into EC2 Ubuntu Instance

I followed the guide here, and I seem to be able to connect but I get a blank screen using the Chicken VNC viewer. Why?
1
vote
2answers
138 views

Securely access a win2k8 server from behind a firewall

This situation is a little unique in that I need to access the desktop (will be running on EC2, w2k8 R2) from behind my work firewall using my work laptop (win xp with no ability to install anything). ...
1
vote
1answer
145 views

VNC greyed screen for Ubuntu server

I have a remote ubuntu server 10.04 32 bit which I'd like to access with vnc. I followed this tut http://www.havetheknowhow.com/Configure-the-server/Install-VNC.html to install vncserver and then ...
2
votes
0answers
203 views

x11vnc wish to not have local display updated

I have a difficult user that wants to connect via vnc to control her linux workstation while remote. However, she has an 'issue' where she does not want the workstation display to show her activity ...
0
votes
1answer
154 views

Cisco VPN and split tunneling

I have a linux box with one NIC and Cisco VPN client installed. The problem is I want to use VNC while connected to the VPN, but the cisco router doesn't support split-tunneling and LAN access is ...
0
votes
1answer
275 views

Can't create VM with virt-install on Debian wheezy

Cant find any answers anywhere so here goes. I am trying to CREATE a new virtual machine using the virt-install command from a console on a Debian wheezy install. I keep getting the following ...
2
votes
1answer
775 views

x11vnc through SSH tunnel - sudo: no tty present and no askpass program specified

I'm trying to setup a one-time SSH tunnel which instantiates x11vnc on a logged-in display. ssh -f -t -L 5900:localhost:5900 user@10.1.10.1 'sudo /usr/bin/x11vnc -safer -once -nopw -display :0 -auth ...
1
vote
0answers
438 views

VNC black screen kills Vmware Workstation sessions on host

There are other similar questions related to mine (e.g. VNC viewer issue - showing black screen ) - my case seems a little bit different: I start vncserver on my CentOS 5.8 host, which acts as a ...
0
votes
2answers
188 views

tunneling VNC port and port forwording

I have two machine say A and B. machine A is a public gateway. machine B is in my network and running VNC server on port 6000. I want people should connect on machine A on VNC port say 5900 ...
0
votes
1answer
114 views

How to stop Java web app on server remotely

I remotely ran a Java web application on a server using TightVNC. One of the tasks of the web app was that it would schedule and do a specific task every 15 minutes. Turns out the code is incorrect ...
2
votes
1answer
220 views

Free software remote assistance tool for double NAT [closed]

I need a remote assistance tool (i.e. tool that makes it possible to control another persons screen) that: works between two machines that are both NAT'ed behind different NAT-walls does not require ...
1
vote
1answer
160 views

Looking for fast cross-platform desktop sharing application [closed]

I'm looking for a simple, cross-platform, fast, and secure way to share the desktop of a local machine with other people. For example, if co-worker working remotely shares their desktop, I'd be able ...
0
votes
1answer
110 views

Sun Grid Engine VNC temporary sessions

Since I've been in a world of hurt with FreeNX attempting to get shadowing to work, I stumbled across a brief description describing starting vnc sessions through an SGE job (our firewall rules would ...
0
votes
5answers
23k views

How to share desktop over LAN to multiple viewers [closed]

I need to share one machine's screen to 10 computers in the same LAN, without internet. The platform is Windows 7. I've tried Windows remote desktop help but only allows one viewer. I'm testing ...
1
vote
2answers
834 views

TigerVNC + SSH without a VNC Password?

I have a RHEL 6 system with TigerVNC installed. It is configured to only allow VNC connections through SSH. Thus, a user can only connect to VNC if they successfully establish an SSH connection to ...
1
vote
3answers
231 views

Solutions for exporting a remote desktop app (display and audio)

I'm looking for a solution that will allow me to export a desktop app running on a server to a client machine. The server is ideally Linux, the desktop is Windows (+Mac for icing on the cake). The ...
2
votes
0answers
450 views

Replacing TightVNC with alternate client (CONNECT parameter)

I am in the process of reverse engineering an existing system in an attempt to replace their existing TightVNC applet with something else (hopefully NoVNC if at all possible). So far, here is what I ...
0
votes
2answers
770 views

xorg.conf missing in Debian

I'm attempting to configure X on a headless server. I've installed the xorg, tightvnc, and fluxbox but /etc/X11/xorg.conf is missing. I've run xorg -configure and it gives fails giving the following ...
1
vote
1answer
100 views

remote desktop: acces to single application

I have a server running, on which an application is running. Now I want to gain a person access to this application only. Is there a good way to give premissions to just one applicaiton without ...
1
vote
2answers
5k views

Where is tigervnc-server package in ubuntu 11?

Where is tigervnc-server package in ubuntu 11? What is instead? UPDATE tigervnc-server package allows to have system-wide configuration file /etc/sysconfig/vncservers file, where one can associate ...
0
votes
2answers
829 views

RHEL6: allow remote X clients

Two hosts, both running RHEL6.2. One (hostA) has a X installed, the other (hostB) does not. Installing X on the second host is not an option. Runnning 'echo $DISPLAY' on hostA returns ':10.0'. On ...
3
votes
2answers
593 views

Linux: How to Press Sysreq Key in VNC/Vsphere Client?

I'm using a Vsphere client on Windows XP over a VNC link (Vinagre) from an Ubuntu 10.10 desktop running WindowMaker. It all works pretty well, but I can't find any way to press the Magic SysReq key ...
0
votes
2answers
206 views

Restarting the GUI on a Linux Sever to free locked files?

Recently, I realized that a certain disk partition on a Linux Server that is only accessed by ssh was full. I tracked down the problem to a VNC log which had filled up the disk. Using lsof, I ...
0
votes
1answer
3k views

How to specific listening IP of VNC server under Linux ?

I know how to specify a listening port of VNC server under Linux, but what puzzles me is I can not find a way to specify a VNC listening IP. When started VNC server under CentOS 5.6, I found its ...
0
votes
1answer
61 views

Remote login ticketing for single-license software on shared server.

in my university context we use some expensive software for which we have a single-license on a single machine. Having to share a single license in this manner is suboptimal: users need to go sit down ...
0
votes
2answers
832 views

CentOS port closed even when iptables is stopped

I've recently got a VPS running CentOS 6.X, I installed Gnome and configured VNC. vncserver is running fine, but I can't connect to it. I checked the ports from outside and noticed that port 5901 is ...
0
votes
3answers
1k views

VNC connection to EC2 instance without installing a VNC server

I was wondering if it was possible to connect to an Amazon ec2 instance via VNC, but instead of installing a VNC server in the target machine, somehow connect it to the hypervisor's graphics output ...