Virtual Network Computing (VNC) is a graphical desktop sharing system that can be used to control a computer remotely.

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Monitor mirroring

I need to mirror a remote monitor from a server running CentOS 6.5. With VNC I'm able to connect to the :0 display (that it's the one it is shown on the remote server monitor) but when I change user ...
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20 views

Xen DomU PV - how do I get graphics?

Both Dom0 and DomU are Arch linux. Because Xorg :0 -configure results in video card not found as I'm in a DomU, I created a xorg config file. /etc/X11/xorg.conf.d/10-monitor.conf Section "Monitor" ...
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32 views

Different ways to use my cloud virtual machine lead to different interface languages

I use qcloud(a cloud service in China) to run a CentOS 7. In the qlcoud webpage panel, I can use the vnc way to check out my machine. In my own Mac, I can use the ssh to log into my machine. ...
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11 views

Run VNC at startup as root - HOME variable not being set

I have the following code in /etc/init/vnc.conf (used by Ubuntu 14.04's Upstart): description "VNC on start" author "user129013" start on runlevel [2345] exec /root/vnc The job is running ...
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40 views

How to automatically start TightVNC server as root on Ubuntu startup?

How can this be achieved? I want to boot the headless Ubuntu 14.04 box and have it start TightVNC as root.
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14 views

Start terminal when VNC starts and execute a command within the new display

How can I start a Terminal within the new Display, and execute a command in that Terminal soon after VNC's startup automatically?
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75 views

Is MacOS (OSX) a multi-user-operating-system?

We had to set up a MacOS (OSX) for iPhone app-development, but it was really awful to realize that mouse speed and input language, or applications that run as services (teamviewer) can be changed by ...
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39 views

How can I use the host's keyboard for a 'remote' SSH session from a tablet computer?

The perhaps slightly odd requirement is this: I have a computer/laptop running Ubuntu I have an iPad from which I can SSH into said laptop sitting right next to it I'd like to use the iPad as an ...
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27 views

No menu for VNC view

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 ...
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15 views

Virtualbox guest not shutting down while using VNC

I installed Virtualbox 5 on an Arch Linux server. Everything's working fine except shutting down a guest (GUI, SSH, console) while being watched via remote desktop. I reinstalled the extension pack ...
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25 views

Unable to get remote Unix machine GUI using VNC viewer

I have similar issue as mentioned Why VNC not showing actual Remote Desktop. As mentioned in solution, I need to make some changes in ~/.vnc/xstartup. But, unfortunately, I didn't find this file. ...
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42 views

Grey screen when using tightvnc and trying to run xfce4

I have an Amazon ec2 instance. I am attempting to run a dedicated arma 3 server on it. Part of this it to set up a repository on the server. The program I want to use requires a GUI. This is the ...
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1answer
45 views

“channel 3: open failed: administratively prohibited: open failed” when creating a VNC session on a SSH tunnel

On creating a VNC connection via tunneled SSH connection, I get an error: channel 3: open failed: administratively prohibited: open failed I have found that this happens only when I'm not logged ...
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1answer
24 views

Raspberry Pi VNC to shell

I have a Raspberry Pi (with Raspbian Jessie) since yesterday and already installed some usefull tools - e.g. TightVNC. I configured it and it works fine, but now I want to stop my raspberry from ...
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51 views

How come I can login to another person's session over vnc just by changing the port number?

I have a user account on a server administered by someone else. I don't have root access. The server is CentOS 7. I couldn't connect over vnc on the usual port I use, so I ssh'd into the server and ...
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32 views

Using VNC without unlocking the lock screen locally

Currently I use VNC to connect to a virtual desktop on my Fedora workstation, which for the most part works fine. But ideally I'd like to connect to my active session on the workstation and access ...
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26 views

How to customize window manager for VNC?

I am new to VNC setup and right now out of ideas what to do. My configuration -- VNC server on openSUSE 13.2 plus VNC viewer on Windows. It works. However it works with twm, and I would like to have ...
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34 views

Port forwarding error

I am trying to use VNC on my KVM guest, following this guide: http://blog.scottlowe.org/2013/08/21/accessing-vnc-consoles-of-kvm-guests-via-ssh/ This is the ssh command I am using from my host: ...
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333 views

Unable to start vncserver in RHEL 7

Following the instructions from Redhat documentation (TigerVNC), I've installed VNCserver in RHEL 7. When I try to start the vncserver service, it returns an error #systemctl start ...
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14 views

Where are minimized windows in naked Xvnc4? How to restore minimized windows?

I am running VNC server as described here: No windows frames on VNC screen I am running only few applications, so I have empty desktop and terminal in the beginning. If I run some application, like ...
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1answer
67 views

No windows frames on VNC screen

I am trying to configure good virtual desktop on my headless headless Ubuntu 14.04 server. Unfortunately, I see the following picture when open remote screen: I.e. windows have no frames and ...
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1answer
636 views

VNC connection to a Linux VM just shows a gray screen… but isn't gnome running?

I have a few years of experience with using Linux on the command line, but this is my first time trying to set it up with a GUI. I'm on CentOS 7 (64 bit) and I've run the following commands: yum ...
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43 views

Creating a virtual X11 output with Nvidia driver

I'm attempting to follow this guide to extend the desktop on computer A to computer B by creating a virtual output on computer A and using vnc to display the virtual output on computer B. The ...
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1answer
95 views

TigerVNC is running, but not listening on any port?

I'm on CentOS 7 with TigerVNC installed. I have started it up (I think), but I can't connect to it. Here's what leads me to think it's running: $ vncserver -list TigerVNC server sessions: X ...
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42 views

OpenSuse minimal server doesn't boot after restart

I am trying to configure a remote server running OpenSuse 13.2 x64 minimal and I believe I have messed something up since the server will not boot anymore after issuing shutdown -r now. Since I only ...
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31 views

What does :0 mean in vnc configuration?

When I configured VNC server there were strings VNCSERVERS="1:oracle" VNCSERVERARGS[1]="-geometry 800x600" When I connected via VNC and run w command, I saw that current display is :1. ...
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28 views

Kill LXDE when disconnecting from VNC

I've managed to set up LXDE to start only when I connect over VNC. But I'm putting together a small web server that has low CPU and RAM. LXDE is really cool because it requires only a little of that ...
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25 views

X11 Server Cap Lock and scrolling problems on CentOS 6

I am having problems with the cap locks key, when using vncviewer to remote on to a CentOS box running X11 v0.9.13-8. I cannot upgrade the x11 as i'm stuck on CentOS 6. The problem is that the Cap ...
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37 views

x11vnc and -unixpw_cmd option

X11vnc server stores the passwords nearly in plaintext (there is an option to get the password back from the password file). Therefore i want to implement a password check using sha256 or another ...
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1answer
152 views

Why is my R graphics device not refreshing and gets drawn so slowly through VNC?

The plotting speed of the graphics device is extremely slow when I use a VNC connection. The rest of the connection works perfectly fine so I cannot blame the network, it is specifically R devices ...
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1answer
274 views

can't launch android emulator while logged in over vnc?

i have a headless box running bbqlinux that i'm trying to use as an android-studio development box. when i go to launch an .avd in the emulator, i receive this error: Cannot launch AVD in emulator ...
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46 views

Can two USB RNDIS gadgets with the same IP connect to one computer's VNC servers?

I have two android gadgets set to USB tether mode, connecting to one computer. I'd like to have one gadget connect to VNC on port 5900 and the other on port 5902. When they're both connected, the ...
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1answer
96 views

Time is not synchronized in Linux VM

I am using one Linux VM through VNC viewer from my Windows machine. What I am seeing is that time between two is not synchronized. It seems that the VM is about 5 minutes delayed from Windows (windows ...
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44 views

How to use port 5900 for vino when also using vncserver on startup?

Is it possible to have vncserver start a configured display only as :1 and leave :0 available for vino? On Centos/RHEL 6.5, I have set up vncserver to create display :1 on startup by putting the ...
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86 views

Can not change vnc resolution using xrandr

Host System: RHEL 6.6 with realvnc-vnc-server-5.1.0.15125-1.x86_64 Client: TightVNC 2.7.10 for Windows (which I am connected to via a SunRay station but I don't think that matters) I can connect to ...
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1answer
64 views

How to let Qemu autoselect a listening port for Spice?

I'm switching some VMs from VNC display type to SPICE. VNC display type offers a very handy to= parameter allowing QEMU to automatically use the first free port from a defined range: -display ...
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37 views

Some keys on VNC Viewer on windows 8.1 remoting my debian server doesn't work well

I have a server running Debian 8 Jessie with a windows manager E17 running on it and I have a vnc viewer remoting my server using windons 8.1 but when I tried to write on the terminal of my server via ...
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1answer
391 views

enabling vnc after using virt-install

I've created a virtual machine using virt-install with graphics --none. I want to enable vnc. I've tried virsh -c qemu:///system qemu-monitor-command vm171-SC-1 --hmp change vnc :3 but it doesn't ...
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1answer
57 views

tightvncserver same version different behaviour

I'm not sure if this belongs on StackOverflow or here, but since the programs work on one version of Ubuntu, I try here. We have a small python application that starts a virtual X display on the ...
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12 views

VNC rendering is all fragmented

I have my VNC server so configured, that it requires me to establish an ssh tunnel and connect to it on localhost:1 with my vncviewer. Now the connectivity seems to work fine but the rendering of the ...
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619 views

How to run vncserver as a user (not root)?

I'd like to remote access a desktop of a specfic user and not a root desktop; however when I run the vncserver it always produces a rooted desktop. This could be related to the installation of ...
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108 views

Required new 'X' desktop for VNC?

I'm on Raspberry pi 2, running Raspian, and using Ubuntu 14.04. I am using the tightvncserver. I don't think I should have to start a new 'X' desktop each time I want to VNC into the pi, but whenever ...
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1answer
78 views

Problem accessing server with VNC

I'm at a loss, I have followed the guide on https://www.linode.com/docs/applications/remote-desktop/using-vnc-to-operate-a-desktop-on-ubuntu-12-04 to configure my headless server to allow access via ...
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1answer
27 views

Sometimes-but-not-always tiny font via VNC?

I'm using tightvncserver on a Debian 7.8 to access the machine from Windows. The Windows machine has a 4K resolution, so I've manually set the -geometry to be quite large. The first couple times I ...
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1answer
536 views

Creating X11VNC Server Initscript not successful on boot (manually started works)

I have installed X11VNC and starting it on a running System (with X and XFCE running) in a terminal does work. I have written a startup script (used the skeleton in /etc/init.d/skeleton) for that. ...
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1answer
3k views

Running VNC viewer from windows 8.1 to Debian Jessie, doesn't work

I'm trying to implement a vncviewer on my windows 8.1 to remote my server running Debian Jessie with DE Gnome 3.14.1 but it doesn't work. I've verified my xstartup file and it looks like this: ...
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1answer
45 views

Booting into VNCViewer on a Raspberry Pi.

Here's my problem. I'm new to Linux scripting and RasPi and I am beating my head against the wall on an issue. I want to use this raspi for displaying a vm using VNC. I got VNC installed. Created a ...
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1answer
100 views

CDE and AIX nothing work

On other unix systems,simply set "dtsession" on .xstartup file of vnc start the cde session. On aix i have this problem when i start the session,appear only an error message The DT messaging system ...
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62 views

KRDC to Debian machine gives blue screen on reboot

I have two Debian machines, using XRDP on one and KRDC on the other to create an RDP connection between the two. This process works fine, until I reboot the server. Then, most often, after the server ...
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1answer
205 views

Host linux distro without GUI?

I saw this video on Youtube: Run Kali Linux on Android The phone uses the app: Linux deploy, which uses the phone to host the distro, but there's is no GUI. The only way to connect to Kali, is by ...