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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2
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1answer
1k views

Cannot connect to Xen domU via VNC if X isn't installed on domU

I'm trying to build a Xen domU that can be connected through the Xen's VNC server. Below is the template (actually it's generated by OpenNebula): name = 'one-153' #O CPU_CREDITS = 256 memory = '128' ...
0
votes
0answers
14 views

“Oh no! Something has gone wrong.” What am I doing wrong with the default CentOS VNC configuration?

I'm trying to configure a little PC settop for work that will mostly be used as a remote backup server (basically just something that exists for the extremely remote possibility that our data center ...
0
votes
0answers
13 views

Dual Monitor Remote Console (Windows Server, Linux Client) [on hold]

I'm looking for a way to share a dual-monitor Windows XP (application is due for replacement, but not compatible with anything newer) machine with a dual-monitor Linux machine. Specifically, I have ...
0
votes
0answers
17 views

Cannot connect to XRDP as non-root user in OpenSUSE 13.1

I am setting up a VMWare machine with OpenSUSE 13.1, one of necessary things is RDP. The issue is that after installing and configuring xrdp, tigervnc, xfce etc I can connect via RDP only as root. Any ...
1
vote
1answer
1k 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 ...
4
votes
2answers
2k 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 ...
0
votes
1answer
1k 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, ...
5
votes
8answers
17k views

VNC viewer not connecting to MAC from PC

I have a VNC server running on a Mac. When I try to use a VNC viewer, it says "no matching security types". Is there any other software which can connect to a Mac like RDP? If iI use screen sharing ...
-1
votes
1answer
35 views

slow vnc connection to a vmware workstation virtual machine

I've got 2 computers : -host in which is installed workstation 12 and a VM called "guest" (linux) - a laptop, in the same room as the host I get a fine wired connection between the 2 computers (host+...
0
votes
0answers
19 views

DELLs iDRAC integrated VNC Server not working with encryption enabled

since I allready posted on two GitHub Communitys about this issue, I will try to keep this as short as possible. The GitHub Postings are added for reference at the end of the post. Im trying to ...
0
votes
0answers
11 views

Set up remote login to remotely-rendered X-Window with OpenGL / GLX support

How to set up remote login (if possible it would be nice if login worked both from Linux and from MS Windows) to a remotely-rendered X-Window system (so from what I understand VirtualGL wouldn't work)?...
2
votes
3answers
3k 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
votes
1answer
4k 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 ...
-1
votes
1answer
20 views

Running LVM using VNC Viewer on CentOS 6

Need to run Logical Volume Manager on my CentOS 6 vm (Created by VMWare) using VNC Viewer but when I double click on it, nothing happens. What I did is to go to System > Administrator > Logical ...
0
votes
0answers
7 views

Is it possible to start a process when a user connects to an xrdp session and end it when they disconnect?

I would like to start a process that would run in the background when a user connects via xrdp to a session, and when that session ends/ when the user disconnects? I am running an Ubuntu AWS instance ...
2
votes
2answers
2k views

Set VNC password

I need some help here. Is there a way to set the VNC password without a user interaction? When I run vncpasswd it prompts for a password and then verification of it. I would like to change the ...
1
vote
0answers
43 views

How to configure RealVNC to use dual displays full screen

The setup is the following: VMWare ESXi5.0 Virtualisation server running a virtual machine Win7. This virtual machine is configured to have 2x Generic Non-PNP displays both at 1920x1200 resolution. ...
3
votes
4answers
14k views

VNC on Windows Server 2008 R2

Has anyone gotten VNC on Windows Server 2008 R2 to work?
0
votes
0answers
66 views

Blank screen when connecting to vino-server (debian jessy) with realvnc client

Trying to connect to a Debian machine running gnome. It actually worked OK (until I've changed hostname and rebooted) Now all I get is a blank - black screen after connecting I've removed xstartup /...
14
votes
7answers
29k views

What alternatives to VNC are there for Linux? [closed]

Are there (preferably free) alternatives to VNC on Linux? Is there different remote desktop technologies for Linux or is it all based around VNC? EDIT: Thanks symcbean for your comment, good point. ...
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 /etc/network/...
0
votes
1answer
121 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 screen,...
2
votes
1answer
258 views

KVM / QEMU: connect to VM without GUI [closed]

Short Version (Solution is below): I have a Windows PC. I have a Debian server (without desktop environment). I have a Ubuntu VM running on Debian server via KVM/QEMU. Question: How can I connect to ...
0
votes
0answers
109 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 ...
1
vote
1answer
3k 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 ...
0
votes
0answers
33 views

Logging out of Screen Share bumps you into a local session

I noticed some scary behavior while testing Screen Sharing on macs. I have root logged in locally on an imac. I use Screen Sharing from a different mac, choosing to "Log In" such that it doesn't ...
0
votes
0answers
20 views

Set VNC Server as Display Environment Linux

I am using Amazon Web Services as my server for my website. I am trying to run a graphical application on my server. In my attempts to do this I set up a vnc server. I am able to see the desktop once ...
0
votes
1answer
611 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 ...
0
votes
0answers
22 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 ...
1
vote
0answers
42 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 user@server....
0
votes
1answer
16 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 ...
0
votes
0answers
87 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 ...
124
votes
3answers
74k views

Moving an already-running process to Screen

My office job routinely sees me connected to a Linux box via VNC. Sometimes I start a remote job on the console, and realize later that it runs much longer than expected. (Should have started that ...
0
votes
2answers
3k views

x11vnc, how to enable shift-key?

The shift key won't work through VNC to my Ubuntu server except for the characters ÅÄÖ. I'm using UTF-8 and sv_SE as locale. I find no options or settings that I can set nor do I find any information ...
3
votes
3answers
8k views

Remotely set VNC service password

After a Windows update I cannot connect to a Windows Server 2008 machine via RDP. As an alternative, I remotely installed UltraVNC using PsExec. The WinVNC service starts successfully but when I try ...
0
votes
0answers
46 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
81 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 # /etc/init.d/...
1
vote
5answers
8k views

crashed VNC sessions detect and killing

I have following issue: Many users create VNC session and after that they forget about them. After some time these sessions crash and start to consume about 100% power. Then somebody has to manually ...
2
votes
0answers
88 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
102 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
47 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 ...
2
votes
3answers
8k views

How to find which screen (and thus port) the VNC UI for a kvm guest has? Or how to assign it

Is there a straightforward way to find the VNC screen (i.e. port number minus 5900) onto which a KVM guest is bound? My guests are all configured to run with VNC enabled, but the order in which they ...
4
votes
2answers
1k views

Linux RDP/VNC/SSH Client [closed]

I use loads of machines daily. Each uses different connection methods, either remote desktop, VNC or SSH. My desktop is Linux, it would be nice if I had a tabbed interface for them all so I don't ...
0
votes
1answer
252 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
197 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
139 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
0answers
39 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
260 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
76 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 ...