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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6 views

Amazon EBS install VNC/GUI using .ebextensions yum package

Anyone have a view on whether it is possible to install a GUI and VNC server on instances created using EBS - probably via a YUM file? - is there any reason why this wouldn't work and, if not, how ...
16
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4answers
2k views

Is there a downside to installing VNC?

We have an Intel NUC in my university's language department that will soon host a web application used by faculty and students in the department. The NUC runs Ubuntu (14.10). I'm comfortable with the ...
0
votes
1answer
25 views

Use graphical DomU (X11 for Linux, regular UI for Windows) from Dom0 without any GUI on Dom0

I am creating a Xen (para)virtualization setup, with two DomU's: a Windows 10 client install, on HVM, and an Linux client install with X11, on PV. Dom0 is a non-graphical Debian install. So far I have ...
0
votes
1answer
33 views

Remote desktop connection to kvm virtual machine starts working after vnc-logon?

I am running a Windows XP on kvm inside my debian system. Everything runs smoothly and I can connect via VNC as well as via Remote Desktop. VNC connection is naturally supported right from boot up ...
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0answers
42 views

OS X (Yosemite) auto login on remote desktop

I have configured my VNC server on my iMac using the "Share Desktop" feature. I'm trying to access with Ubuntu default's client Remmina. I'm currently trying to access as a view-only client but it's ...
0
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1answer
349 views

“Unable to open display ” “” error on VNC Server

I'm trying to run a GUI for my CentOS 6 server. I've installed VNC, and I have followed this guide through to the end - http://wiki.centos.org/HowTos/VNC-Server Once the VNC server is started, I try ...
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votes
0answers
18 views

The necessity of vncpasswd

On every xrdp/vncserver tutorial it is indicated to use the command vncpasswd after creating a new user but I see that it is enough if I set the user into the tsusers group and set an entry for it in ...
1
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0answers
74 views

VNC file transfer via command line

I have a lot of PCs accessible via VNC over VPN. They all have TightVNC server installed. Using this is the only possible way for file transfer, due to restrictions of the VPN network. Right now, I ...
0
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0answers
22 views

Centos 5.8 - firewall blocking Virtualizor staff

I run private KVM/OpenVZ hosting and im currently having issues with it. So I opened a ticket with virtualizor and they say they cant access the VNC connections, but I can. I figured the only thing ...
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votes
1answer
35 views

Have distributed hosts auto-connect to central jump box for reverse ssh and vnc sessions [closed]

We're going to deploy info screens in various places. They have a browser running and pull the info via HTTP. To reconfigure them, it would be useful if they connected to a central host from where we ...
1
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0answers
49 views

vncconfig tool allows copy/paste in one direction only on vnccserver

I have a liux debian server running a VNC Server. vncconfig is also running on the server and the connection works great, also tunneled through SSH. But I have problems using copy/paste. When I ...
0
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1answer
51 views

Manage Hyper-V VMs remotely without RDP

After searching a lot I couldn't find this anywhere so I'm asking here, I'm sorry if this was asked before. Is there anyway to manage Hyper-V VMs remotely without having to connect to the Windows ...
0
votes
0answers
85 views

Python castro packages IOError: [Errno 2] No such file or directory: 'C:\\Users\\Ray\\.vnc\\passwd'

I try to use castro : https://pypi.python.org/pypi/castro/ to write a Python script to capture screenshots, I install RealVNC server, and try sample code on castro's website, here is my code: ...
-1
votes
1answer
82 views

Cannot Access remote CentOS machine using VNC

I am trying to connect to a remote CentOs machine through VNC to get a graphical display. I have followed the steps mentioned in https://www.howtoforge.com/vnc-server-installation-centos-6.5 to ...
0
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0answers
83 views

instance cannot be launched in openstack (vnc setting)

When an instance is being launched, I get a following error: No valid host was found. There are not enough hosts available. And in the scheduler.log 2015-03-27 12:22:07.537 14372 INFO ...
0
votes
1answer
74 views

Linux VNC doesnt accepting my password

I set up a tight VNC server. I used this tutorial: https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-on-ubuntu-14-04 The VPS is hosted on Digitalocean. The VNC server ...
0
votes
0answers
26 views

OpenOffice terminal with no task bars and menu

I need to connect to vnc server and see the OpenOffice writer application running without any window manager. I need OpenOffice to take up entire screen. The ideal solution would be to run the ...
0
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0answers
52 views

Relationship among vncserver, Xvnc, dbus, wm,

Can someone explain the relation between programs listed in title (and perhaps some I might've missed out like Xorg, Xserver, X)? Or point me to some guide/documentation/..? In recent past I've been ...
0
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1answer
108 views

Remote administration for Mac OS X?

I've inherited a Jenkins cluster of six Macs, all of which sit in a server room and are accessible on the internal network only, but have a shared admin user and VNC password for Mac OS X (To clarify: ...
1
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0answers
127 views

OSX two-factor Authentication for ARD and VNC

I am looking at the possibility to add two-factor authentication , using linOTP and Radius, to all network logins ( Servers, Workstations, Switches, etc... ) So far I have been able to set this up for ...
1
vote
2answers
82 views

apache listening to 7080 after installing ubuntu desktop (gui) on 10.04 vps

Before ubuntu desktop was installed sites were normal and everything (virtuals hosts/ sites) was working normally but suddenly it stopped listening to 80 and went on 7080 and 7081 any idea why this ...
0
votes
2answers
942 views

Installing Windows 2012 KVM Guest on Ubuntu 14.10 - unable to VNC into guest

I have a Ubuntu 14.10 (x64) host, and I am using KVM to setup a Windows 2012 R2 guest VM on it. I am using the virt-install command to set things up. I have setup a bridge network in ...
1
vote
0answers
53 views

Java hosting and e-mail server on VPS [closed]

I can't find a good tutorial for this, I looked at https://www.howtoforge.com/ but there is only a weak tutorial on how to setup JDK and Tomcat in a Linux environment. For me this isn't a problem, a ...
0
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0answers
194 views

OpenStack Live-Migration VNC server error

Following these steps to do a live migration results in: 2014-12-08 00:42:38.772 17808 ERROR nova.virt.libvirt.driver [-] [instance: db9d53ac-4a75-4009-a67e-f45abf9d4d32] Live Migration failure: ...
1
vote
1answer
96 views

Linux VNC: Is it possible to bind a specific vnc listening port to a specific user?

There's a machine in my company which people connect to through VPN and work from there. That way, the whole network is blocked from their private machines but opened for that specific box. I want to ...
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votes
0answers
20 views

Multiple screens on OSX Server

I tried to follow the 3rd answer in the following post: Mac OS X multi-user thin client server (terminal server)? I am at the point where I have the system server running and an user specific server. ...
1
vote
0answers
128 views

Amazon EC2 VNC Nvidia GPU usage?

I have a GPU instance on Amazon Web Services I am using Ubuntu 14.04 LTS The console show that the drivers are loaded perfectly, see below output $nvidia-smi -q | head ==============NVSMI ...
1
vote
0answers
107 views

KVM: VNC connection blocked

I'm running a KVM host with three client vms. Two ubuntu servers and one windows server r2 2008. All three VMs have the VNC option enabled in their XML config file: <graphics type='vnc' ...
1
vote
0answers
678 views

VNC Not Seeing Gnome Desktop in Centos 7

I have a linux box running CentOS 7, which I installed in bash only mode (so it just boots straight into the command prompt), which I am using as a file server. I could do with having a GUI for ...
0
votes
1answer
95 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
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0answers
207 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
208 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
votes
0answers
75 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
211 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
104 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
150 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
55 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
148 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 ...
-1
votes
1answer
239 views

Connecting to KVM VM via VNC [closed]

I just installed KVM on centos 6.5 and after I created a VM I don't know how to access via VNC. I used this command to create the VM: virt-install --name=guest_name --arch=x86_64 --vcpus=2 ...
0
votes
1answer
361 views

Vnc Viewer does not connecting but Windows Remote Desktop works

I just purchased a VPS and configured a remote desktop, it works fine with Windows Remote Desktop. but it can't be connected with VNC viewer. I assumed maybe RDs using different ports so executed ...
-1
votes
2answers
1k 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 ...
0
votes
0answers
160 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
198 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 ...
1
vote
2answers
517 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
340 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 ...
0
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0answers
59 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 ...
-2
votes
1answer
2k 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
1answer
259 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
467 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
3k 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 ...