Tagged Questions

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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1answer
23 views

ubuntu run a command when vnc session starts

I have ubuntu, vnc server (Xvnc4) starts on boot with 2 sessions: VNCSERVERS="1:user1 2:user2" VNCSERVERARGS[1]="-geometry 1024x768 -depth 24" VNCSERVERARGS[2]="-geometry 1024x768 -depth 24 Every ...
0
votes
0answers
30 views

novnc apache2 reverse proxy code 1006

I just installed webvirtmgr but the noVNC console is not working (code 1006). The detailed error of the google chrome console is: [blocked] The page at ...
0
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0answers
26 views

Xserve running Mac OS X 10.6.8 has HTTP, SSH & ARD/VNC ports open, yet cannot connect?

The subject says it all. A client I have has a relatively ancient Xserve (2009 model I believe) that is running Mac OS X 10.6.8 Server. We’ve been able to remote into the system without issue in the ...
0
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0answers
18 views

stop rdp to deactivation session after close

I try to run VNC Server on my Server2012 R2 (VM on HyperV Host). I login via RDP (mstsc.exe) to a Windows Server 2012 R2. Connect via real VNC to the Server also. After closing the Windows RDP ...
1
vote
0answers
35 views

NoVNC being blocked behind firewall, how can I find the port being blocked?

We have an OpenStack cloud running internally and wanted to allow student's access to the NoVNC console from within Openstack's Horizon web panel. Everything work's internally however after adding ...
1
vote
3answers
38 views

windows VM with vshpere - not accessible

All, Am relatively new to virtualisation. I have multiple ESXi hosts that were being managed by vSphere clients running on windows VM on one of the host itself. Accidently I changed the setting of ...
1
vote
1answer
48 views

TightVNC over VPN encrypted? [closed]

I'm using tightvnc to connect to my servers over a IPSEC VPN connection with split tunneling enabled. Is my communication with my servers via VNC encrypted or unencrypted?
0
votes
1answer
31 views

vncserver auto start display for root

In my rhel5 system there are cronjob scripts that are running as root which requires export DISPLAY. I have added below lines in /etc/sysconfig/vncservers to start vncserver on certain displays for ...
-1
votes
1answer
53 views

KVM unix socket file permission for VNC

I'm using kvm-qemu/libvirtd for a bunch of kvms. I'm using vnc for the graphical interface. By default, it listens on a tcp socket. I want to have it listen on a unix socket instead. Looking at some ...
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votes
2answers
184 views

How Does Remote Desktop and VNC Work With Logged In Users [closed]

I'm not sure how Remote Desktop and VNC works on Windows. Each app has their own session when I'm logged in, i.e. I could be logged in with both apps as an administrator and each has their own desktop ...
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votes
0answers
84 views

Does wayland support video card(s) resource isolation?

From what I know, with hypervisors, I need an IOMMU capable motherboard and multiple graphics cards to run multiple virtualized instances remotely (correct me if I'm wrong). ESXi allows for ...
1
vote
1answer
51 views

Box to create a VNC to multiple servers' VGA output and keyboard

My boss has ordered me to find a box that we can connect to our 8 servers, so that we can view the VGA output and use the keyboard as if we were sitting directly in front of the server (i.e. see that ...
0
votes
2answers
77 views

Access local console via SSH

I am searching for a way to interact with a local console via SSH - just as you would do with an directly connected keyboard. In my particular case I got a debian server (console only, no X system) ...
0
votes
1answer
69 views

unable to open KVM when trying to VNC

I am trying to open a KVM session after connecting to the remote host through VNC Scenario: Server: 192.184.148.52 having a VNC server running at 192.184.148.52:2 with XYZ username and has a KVM ...
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votes
0answers
202 views

Advertising security type 18 (VNC)

I am connecting to a Red Hat Miapo via VNC (well at least trying to) and I am getting some weird errors. From the VNC Viewer (Windows) I receive the error: "unable to connect to VNC server using your ...
0
votes
0answers
41 views

VNC with RedHat 7.0

I am having troubles with VNC for connection to RH 7.0 from W7. My connection cannot be established as the connection times out every time. I am unfamiliar with the RH 7 GUI and cannot seem to find ...
0
votes
0answers
179 views

TigerVNC: Couldn't enumerate devices

I have CentOS 6.5 server, and I'm trying to setup vnc. I followed this guide : http://wiki.centos.org/HowTos/VNC-Server, and the service seems to start ok. But I can't connect. Checking the log in my ...
0
votes
0answers
102 views

XenServer Console

I just follow this tutorial to access XenServer Console. I can run the first example, and it's working fine, but for the second example it's not working. I cannot access to console with a java ...
-2
votes
1answer
990 views

Start vino-server (VNC) before login on Linux CentOS [closed]

I'm using the default vino-server package to access my CentOS 6 workstation via VNC. It works ok, but only AFTER I locally login on the workstation. I need to have vino-server start BEFORE the login, ...
0
votes
0answers
63 views

VNC over SSL-VPN tunnel

I've setup a SSL-VPN using Cisco ASA with AnyConnect client. The ASA is behind a IPS/Router. A handful of Linux machines have VNC setup behind the ASA. I want to allow VNC over SSL-VPN connection ...
0
votes
1answer
138 views

VNC server installed or not in redhat linux - please read the lines below

[root@cpsc-server VNCInstallable]# ls VNC-Server-5.1.1-Linux-x64.rpm VNC-Viewer-5.1.1-Linux-x64.rpm [root@cpsc-server VNCInstallable]# rpm -e VNC-Server-5.1.1-Linux-x64.rpm **error: package ...
1
vote
5answers
1k views

Remotely start VNC server on computer with no Admin password

I'm trying to remotely access a particular computer of mine and it seems that VNC has stopped. I can tell that the computer is still running because I can VNC into another machine on the same network ...
1
vote
3answers
82 views

Setting subdomains to multiple computers for Remote Desktop/VNC [closed]

I have some computers set up at home and would like to be able to access them from anywhere. I have achieved this by forwarding ports accordingly: public | computer | private | Details 5001 | ...
0
votes
1answer
416 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, ...
1
vote
1answer
497 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 ...
0
votes
1answer
57 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 ...
0
votes
1answer
272 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 ...
0
votes
0answers
106 views

Disabling VNC for HVM on Xen causes error

When I try to start a Xen HVM guest without VNC, I always get this error libxl: error: libxl_dm.c:1212:device_model_spawn_outcome: domain 25 device model: spawn failed (rc=-3) libxl: error: ...
1
vote
0answers
21 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 ...
0
votes
2answers
140 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 ...
-1
votes
1answer
47 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 ...
0
votes
1answer
71 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 ...
1
vote
2answers
792 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 ...
1
vote
1answer
477 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
643 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
97 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 ...
0
votes
0answers
130 views

RealVNC server Enterprise 5.0: How to manage parameter as there is no more vncconfig?

I just would like to know with new VNC version 5.0 how we can access and change the running parameters by command line ? Indeed using RealVNC 4.X, is was possible using vncconfig, for example: ...
0
votes
1answer
207 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
49 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
198 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
votes
1answer
24 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 ...
0
votes
1answer
26 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) ?
-1
votes
1answer
42 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
199 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 ...
-1
votes
2answers
329 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 ...
0
votes
2answers
449 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
353 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
15k 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
74 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
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 ...