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

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14
votes
1answer
427 views

vim/gvim failing to put X11 clipboard in registers “+ or ”*?

Due to the lack of security with standard vino server, I switched to use x11vnc on my linux (with Xubuntu 14.04) box and SSVNC on the windows side. With vino, cut and paste from windows to Linux ...
12
votes
2answers
20k views

How can I connect to Gnome 3 with a Windows VNC client?

I used to be able to connect to my Gnome 3 desktop from a Windows machine with a VNC client. But after an upgrade (on the Linux side) a while ago, it quit working. When I attempt to connect, all I ...
11
votes
3answers
9k views

Differences between VNC and ssh -X

Why would you use VNC (or for that matter NX) instead of just using ssh -X (-Y). I read that VNC uses less bandwidth, but is there any other differences/advantages with respective tool?
7
votes
2answers
390 views

“supervisory” software for school rooms

In a schoolroom there are 15 machines + 1 the teacher's PC. All have ex.: Ubuntu 10.04 LTS. Are there any softwares that can be used on the teachers machine that can "audit" the students 15 PC? ...
6
votes
2answers
882 views

Configuring a vncserver so it's only accessible from my ssh tunnel

Since I use vnc through an ssh tunnel, is there any way I can block the open vnc port that the remote machine is listening on without it affecting my ability to use the ssh tunnel? Both machines are ...
6
votes
1answer
430 views

clipboard not working when connecting via rdesktop to xrdp-sesman

I have a Debian machine with xrdp-sesman setup following way Xvnc 127.0.0.1:5910 xrdp-sesman 127.0.0.1:3350 xrdp 0.0.0.0:3389 I am connecting to this machine with rdesktop ...
6
votes
1answer
14k views

Changing screen resolution/geometry of a vncserver without randr in Linux

I want to change the resolution / geometry of my VNC session dynamically without affecting the programs running inside it. I referred: Changing the resolution of a VNC session in linux. I don't have ...
5
votes
4answers
5k views

How to copy text to xterm

How to paste text in a xterm? Now I can copy text from xterm to an outside application, like Firefox, by highlighting the text there. But I can not copy text from firefox to xterm. I am just normal ...
5
votes
3answers
29k views

Enable remote desktop for Gnome from command line?

I am trying to set up some automation scripts to set up a Linux environment. I would like to enable remote desktop sharing without the user having to actually use the GUI to do so. My plan is to write ...
5
votes
3answers
213 views

I'm moving up from managed hosting to a VPS. What do I need to know?

I'll be starting to use a VPS for my web hosting this week, which is a big step-up for me since I've only used managed/shared services before. I've a bit of experience with Linux and I'm not afraid of ...
5
votes
1answer
407 views

SSH tunnel with VNC?

In theory: I have a low-power consuption machine: eee pc, ok. I need to run a virtualized windows xp on it. (Because of a windows-only program..) I need to reach it from a smartphone (Android). The ...
5
votes
2answers
7k views

xsetroot, xterm and twm are not found when starting XRDP/Xvnc (on Cent OS)

I am trying to install xrdp service on one my VPS server, and though all installed successfully I get following error after connecting via Windows MSTSC service. Following are the resources I have ...
5
votes
2answers
457 views

Is there a xterm equivalent that is optimized for use over VNC?

tl;dr Is there a terminal emulator that uses rectangular copies for scrolling? I'm doing a lot over work over the internet just now (hacking a program on my employer's cluster that can't be ...
5
votes
1answer
603 views

How can I control an existing remote shell?

On my remote machine, an xterm/shell has been created (by another process). I have full access to that shell through VNC. But really I would like to be using a text mode shell on my local machine. ...
5
votes
1answer
82 views

Fast drop-in replacement for ssh -x

I'm looking for something to provide faster X11 fowarding than ssh -X provides. I do not need a full GUI session or the ability to drop/resume user sessions. I use NX regularly, but as far as I can ...
4
votes
1answer
362 views

Remotely turn off display output?

I'm using x11vnc and SSH to tunnel VNC remotely to my local machine. One of the interesting side-effects of this is that as I use my work computer from home, my coworkers will see me moving around ...
4
votes
2answers
5k views

How to configure xorg.conf for widescreen VNC on headless Linux/Ubuntu?

I have a Ubuntu 12.10 Box configured to run headless. I've managed to boot X headless by a lot of trial and error but I still have a glitch: When booting using the monitor, it all works ok, widescreen ...
4
votes
2answers
4k views

Install a GUI (KDE) on a centos 5.3

I'm trying to install KDE on a vps of centos 5.3. These are the steps: yum install kdepim yum install vnc vnc-server x11-xorg vncserver vncserver -kill :1 vim ~/.vnc/xstartup #(replaced the last ...
4
votes
3answers
5k views

'd' Key on VNC Viewer Minimises All Windows

I'm running vnc4server on an Ubuntu 10.10 box, and connecting to it from an Ubuntu 8.04 machine using TightVNC Viewer 1.3.9. I'm unable to type anything with the character d within the VNC session, as ...
4
votes
0answers
71 views

Make one VNC server appear as two displays in RHEL

I have a VNC server running in virtual mode in RHEL and I am viewing it on a PC which has two screens. I can make the server use both of my screens by setting the resolution large enough: xrandr -s ...
4
votes
0answers
175 views

VNC-Server as a virtual X11 monitor

From a currently running X11 session, I would like to provide run a VNC server such that it appears to my system as a second, “virtual” monitor – i.e. so that I can position it using xrandr and the ...
4
votes
2answers
3k views

launch x11vnc on bootup

I am using archlinux version 3.10.27-1-ARCH on my remote PC and I would like it to launch x11vnc server on successful bootup. Though i can start the x11vnc server manually, I am having trouble ...
3
votes
2answers
2k views

What is the relation between DISPLAY :1.0 and port 5901

When I start a new X server using vncserver I can connect it using port 5901. From, say, a terminal, I can also do a: export DISPLAY=:1.0 xterm (it's just an example) And I get an xterm on the ...
3
votes
2answers
616 views

Accessing a remote OSX system from OSX, Linux, Windows

Is it possible to connect to a remote OSX machine using OSX, Linux or Windows in a way similar to Windows' remote desktop?
3
votes
3answers
6k views

VNC send Ctrl+Alt+F1-F6 to server

I've been trying to figure this out now for a while, I'm connecting to virtual machines through VNC, and by default you get a graphical or ncurses interface, and CTRL+ALT+F3 takes you to a console ...
3
votes
2answers
2k views

x11vnc : how to have the login screen?

I use x11vnc since long, to connect from my office to my home. My goal is to access to my computer exactly as if I were in front of it. So when I return to home I can continue was I started remotly, ...
3
votes
1answer
210 views

vnc server setup in RHEL machines

Lab setup I recently setup a lab with 10 RHEL machines for big data computation using Map/Reduce frameworks. The lab was setup in a closed network in such a way that all the machines had static IP ...
3
votes
4answers
720 views

LAN only VNC help

GOAL: I have 2 computers in a LAN environment (I will refer to them as [computer A] and [computer B]) and I want to log into [computer B] via [computer A]. I have a VNC client on [computer A] Remote ...
3
votes
1answer
462 views

Establishing client VNC connection over SSH in one step (e.g., with the -via option)

How do I reduce these two commands to one? I am connecting from my client to an x11vnc server and the two commands below already work. I just wish to do it in one step: first command: ssh -fNL ...
3
votes
2answers
2k views

How can I allow a different user to connect to my session using X11vnc?

I'm trying to use x11vnc to allow users to remote control certain computers. This works fine in general, but there is one aspect I have trouble implementing. I want to restrict access to a specific ...
3
votes
1answer
47 views

Transfer X from monitor to remote machine

I want to remote login to another laptop to continue working on session left over. VNC is slow because it's bandwith hog. I know (or I think I know) that it's not latency, it's bandwith because the ...
3
votes
2answers
2k views

VNC Server: Disable local screen when remote VNC client connects

There is a Linux desktop/server co-located at location-b. I am stationed at location-a and use a VNC client to connect to location-b. To prevent others from watching my desktop actions, how can I ...
3
votes
1answer
2k views

virt-manager copy paste functionality to the vm

Anyone know how to get Virtual Manager to install copy-paste functionality to the Virtual Machine? Can't find anything on Google.
3
votes
1answer
2k views

Grey background in vncviewer remote desktop

I keep getting a grey background in my VNC viewer on my VPS, like so: My .vnc/xstartup is as follows: #!/bin/sh unset SESSION_MANAGER exec /etc/X11/xinit/xinitrc gnome-session ...
3
votes
1answer
146 views

Identifying local and remote sessions

I would like to write a startup script that would perform it's task if it was run on the local machine, but not if it was called from a remote xrdp session. If Local { do something } If remote { do ...
3
votes
2answers
1k views

Debian VNC (Remote Desktop) only allowing first connection, then turns off

Basically if I reboot the machine, I can vnc into it (using ultra vnc) but I can only do it once. It seems that the vnc daemon stops working after the first remote desktop session is closed. I have to ...
3
votes
0answers
135 views

Why VNC performance seems to have dropped over the years?

I've been using VNC since around 2000 (even earlier), back then I used a 19k cellular modem to connect to my desktop. Lately I've been connecting to my Ubuntu desktop from my Android phone. It seems ...
3
votes
0answers
2k views

How can I forward sound over VNC?

I use TightVNC and Remmina Remote Desktop to connect my Raspberry Pi to my Ubuntu laptop over VNC. It works great for the most part, except for the fact that there is no sound. I have googled all ...
3
votes
1answer
1k views

VNC on elementary os

I installed elementary OS on my laptop and tried to install VNC server. First I installed vnc4server, opened and logged from phone. On screen I saw: failed to load session gnome How do I need to ...
3
votes
0answers
259 views

How frequently are updates sent to a VNC client?

I am trying to understand how the VNC mechanism works. The RFB protocol 3.8 specifications say : The update protocol is demand-driven by the client. That is, an update is only sent from the ...
3
votes
0answers
1k views

Using gdm to manage xdmcp authentication over VNC

I've followed a few guides in order to enable XDMCP over VNC, however the end result is an ugly, if functional, default X login screen. It is not utilizing gdm for the authentication process, and I ...
2
votes
2answers
4k views

How to tell who is connected via vnc to my machine?

How do I check how many vnc connections or different users are currently connected to my machine? Only through wireshark? And how do I kill any other users connected through vnc?
2
votes
4answers
6k views

Task Switcher inside VNC

I run a VNC client (tightvnc) along with other applications on a Windows machine. Inside my VNC session, I typically have several xterms and gvim windows open. How can I switch between the ...
2
votes
3answers
229 views

Why is an application via 'ssh -X' slower than vncviewer via 'ssh -X'

Very simple question with strange effect: If I run a programm via x-forward it performs very bad when it comes to animations. E.g.: ssh -X <USER>@<SERVER> "application" But if I start ...
2
votes
1answer
2k views

How can I disable the X-server on Fedora 17?

I want to use a Fedora 17 "Beefy Miracle" system as a network-shared desktop for cooperative work. For this I'm using TigerVNC which brings its own X-Server and starts a completely separate desktop ...
2
votes
2answers
78 views

Is there a way to start a VNC-server for an already running X-session?

For Windows there are VNC-"servers" that can be started by the user manually som time after log-in. Is there anything similar for Linux? A program that can be started manually in an already running ...
2
votes
2answers
6k views

telnet to localhost and loopback device IP works, but not LAN ip (Xen + Ubuntu)

I have set up Xen + Ubuntu per the instructions at https://help.ubuntu.com/community/XenProposed. I am now ready to install a HVM guest OS (Ubuntu Desktop 12.04). After I start my HVM guest OS xen ...
2
votes
2answers
10k views

Problems setting up TigerVNC and firewall

I have a box running a fresh install of Fedora 15. I've installed TigerVNC server on it and client on my Windows machine. I've added -A INPUT -m state --state NET -m tcp -p tcp --dport 5900 -j ACCEPT ...
2
votes
1answer
333 views

How can I program vncserver to automatically setup my shells for me?

I use VNC to connect to a hosted machine. Whenever I start a VNC server at some port and connect to it, I first need to setup my shells for me - 5 of them in a particular configuration that I like and ...
2
votes
1answer
114 views

XForwarding Applications from OSX

Using XForwarding, you can access GUI applications over ssh between two Xorg-powered machines (and sometimes even from a windows machine). Is there a way to access OSX applications (like Finder) from ...