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 ...

learn more… | top users | synonyms

0
votes
0answers
15 views

Server doesn't boot after installing X Window System

I've been trying to install XFCE to use with VNC on a Centos 7 server but every time I install X Window System the server doesn't boot. Always with the dracut error: /dev/md1 does not exists Boot ...
0
votes
0answers
13 views

Can't connect to VNC server via OpenVPN

I've got the problem with connecting via VNC to remote computer. Connection goes through OpenVPN and I'm routing 5900 port to localhost.. ssh -p(port) -L5900:vpn adress of machine:5900 ...
0
votes
1answer
9 views

Safely wake up black VNC screen cloud servers

What is the safest way to wake up a cloud server (Windows & Linux) via VNC using the keyboard. Looking into a taking a screen grab of a large number of servers (Windows & Linux) using the ...
-1
votes
0answers
4 views

OpenNebula 4,14.2 Federation error VNC Master/Slave

We have federated two OpenNebula as master/slave, but we have detected a strange issue: Using the Master Sunstone, we can change to the Slave Sunstone. It works well, but if we try to lunch the VNC ...
-1
votes
0answers
73 views

How to install a remote desktop environment (VNC or RDP) on my gateway server (Bastion) amazon linux

I am trying to connect to my tableau server which is running under windows server 2012R2 and behind NAT (Bastion) amazon linux EC2. in order to connect correctly i need to install a remote desktop ...
0
votes
0answers
19 views

Running a VNC client without X

Think about a classroom equiped with a linux-KVM server and some tiny PCs (Raspbery Pis, Odroid, and such). I would like to control a desktop VM on the linux-KVM server from a tiny client with ...
0
votes
0answers
6 views

No menu for VNC view [migrated]

Problem: I have a VPS on linode that installed ubuntu 14.04. In the Real VNC viewer on my local machine, I see a screen like this. The problem is, although I can navigate the file system in this ...
0
votes
0answers
36 views

CentOS7 KVM - Mouse is “off” on the console with virt-manager

I am managing a KVM host with virt-manager from a Windows 8.1 PC. I have XMING\PuTTY installed on the PC w\ X11 Forwarding. I SSH to the KVM host and run virt-manager. I noticed that the mouse is ...
0
votes
0answers
56 views

XRDP fails to join sessions in certain scenarios

I'm trying to configure xrdp on CentOS 7 to join to already existing sessions. This functionality is partially present at the moment and here's what I mean by partially: when I xrdp from windows ...
0
votes
0answers
35 views

Lost vncserver connection after EC2 instance reboot

I was able to get the vnc remote desktop working in AWS EC2 with an Red Hat Linux instance (it is basically Centos 7). The following were the steps: ssh into the instance sudo yum update sudo yum ...
0
votes
0answers
54 views

Limiting TightVNC Server's number of concurrent sessions

I have a Raspberry Pi, and I'm using TightVNC Server to access remotely. My /etc/init.d/tightvnc file (which is just the service that launches at boot) looks like this: #!/bin/sh # ...
2
votes
0answers
55 views

noVNC console on Openstack Dashboard is rendering garbled UI on RHEL7

I am running nova-compute on RHEL7. Openstack dashboard's noVNC console is rendering garbled UI for any instance having a UI console. Can somebody please help out? This is working just fine on RHEL65 ...
2
votes
1answer
95 views

Allowing remote server access while preventing file transfers [closed]

I am setting up a Linux server that needs to: (1) Allow remote access. (2) Prevent files from being downloaded. Specifically, the server holds data that users will be analyzing, building models with, ...
0
votes
0answers
36 views

Connection Refused RealVNC and Same with Remote Desktop Program Windows Server 2012

So i set up a virtual machine on QEMU on my linux machine hoping to get some windows server running but when i tried to set up RDP i couldn't connect through my client. So i thought i'd try RealVNC ...
19
votes
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
131 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
144 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 ...
0
votes
0answers
94 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
votes
1answer
2k 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 ...
0
votes
0answers
31 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
vote
0answers
190 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
votes
0answers
54 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 ...
-1
votes
1answer
72 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
vote
0answers
97 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
votes
1answer
76 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
140 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
101 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
votes
0answers
125 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
139 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
38 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
votes
0answers
112 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
votes
1answer
182 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
vote
0answers
161 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
247 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
2k 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
58 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
votes
0answers
268 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
151 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 ...
1
vote
0answers
172 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
146 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
900 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
164 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
271 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
93 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
313 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
133 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
203 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
63 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
206 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
367 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 ...