Questions tagged [vnc]

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

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25
votes
3answers
37k 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?
23
votes
3answers
58k 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 ...
17
votes
2answers
24k 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.
17
votes
3answers
55k 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 ...
16
votes
3answers
9k 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 ...
15
votes
5answers
92k views

How can I copy/paste data to and from the Windows clipboard to an OpenSuse clipboard using VNC?

I am connecting to a remote OpenSuse computer using VNC from Windows. On other Linuces that I've used over VNC, I can copy text between the remote machine and the local Windows machine using the ...
15
votes
1answer
1k 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
1answer
961 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 ...
9
votes
4answers
20k 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 ...
9
votes
2answers
31k 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 ...
9
votes
4answers
53k 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 ...
9
votes
5answers
8k views

How to exit fullscreen mode in vinagre?

How to exit fullscreen mode in vinagre VNC client? I have not found any key combination to do this.
8
votes
3answers
21k 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 ...
8
votes
1answer
32k views

Understanding “vncserver -list” with respect to Xvnc processes

I have a pretty standard setup on a Centos 6.5 VM. I've configured VNC sessions to start at boot per CentOS's wiki VNCSERVERS="1:root 2:moe 3:curly" VNCSERVERARGS[1]="-geometry 640x480" ...
7
votes
2answers
11k 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 ...
7
votes
5answers
10k 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 ...
7
votes
1answer
6k views

How to connect to x11vnc server on Linux from OS X (macOS)?

When I'm trying to connect to x11vnc server started on Ubuntu 16.10 x11vnc The "Screen Sharing" app on on OS X 10.11.6 just hangs. How can I fix this?
7
votes
2answers
6k views

VNC-Server as a virtual X11 monitor to expand screen

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 drag/...
7
votes
2answers
13k 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 ...
7
votes
2answers
710 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? ...
7
votes
3answers
15k views

How to switch desktop environment in Debian

I've recently set up a new computer using Debian 9.1 . During the initial configuration, I installed the desktop environments Gnome and LXDE. Presently the system is set up to use Gnome as the (...
7
votes
2answers
20k views

VNC Server without X Window System

Will a VNC server work without X Server installed? I know vnc works with X Server, but what about without it?
7
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 ...
6
votes
4answers
58k 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 ...
6
votes
2answers
21k views

can't start x11vnc without attached monitor

I'd like to setup x11vnc (or any other vnc server) to start at boot-time. The display manager is kdm, the distribution is Ubuntu 12.04.2 LTS. When I try to start x11vnc, I'm getting this errors: $ ...
6
votes
2answers
2k 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
15k views

How to share Windows clipboard with Linux using TightVNC?

I'm connecting to my Debian squeeze server through the Windows TightVNC viewer and tightvncserver on Linux. I have put the following line in my ~/.vnc/xstartup file: autocutsel -fork However, this ...
6
votes
1answer
266 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 ...
6
votes
1answer
509 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 ...
6
votes
3answers
16k 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 ...
6
votes
0answers
213 views

Fast drop-in replacement for “ssh -X” [duplicate]

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 ...
5
votes
5answers
66k views

Why VNC not showing actual Remote Desktop

Ok i installed vnc server on RHEL 5.9 and also installed Tightvnc viewer on windows 7 and from RHEL i started vncserver and assigned the password using vncpasswd. Then from tightvnc viewer i gave the ...
5
votes
3answers
229 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
12k views

Authenticating with x11vnc: what's the difference between -auth and -rfbauth?

I'm on xubuntu 11.10 trying to setup x11vnc server. I followed instructions here and I can connect to VNC server - but it never asks me for password! Is there a difference between these 2 options: -...
5
votes
3answers
1k views

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

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 a remote vnc server and connect to it ...
5
votes
2answers
8k views

keyboard mapping wrong only in specific applications under TightVNC

I searched pretty thoroughly and I could only find posts in which people have keyboard mappings that are wrong system-wide, however I have a bizarre situation in which most applications work OK, but ...
5
votes
2answers
5k views

Qemu 2.0 Windows guest - mouse stops working (vnc) when using usb-passthrough

I have installed Qemu 2.0 on an Ubuntu Server 14.04 LTS computer. I use Qemu to run multiple virtual machines. One of them is using Windows 8.1 Pro (x64) and is used for back-ups. The guest runs fine ...
5
votes
2answers
13k 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
773 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 installed ...
5
votes
1answer
2k 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. ...
4
votes
2answers
4k 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
4k views

What numeric key codes do I need to send for the magic sysrq functionality in a VNC session?

I have access to the system console of a KVM guest through VNC. What key codes do I need to send for the magic sysrq sequence (Ctrl+Alt+"REISUB") in Linux? Edit: In Linux under qemu, running showkey ...
4
votes
3answers
41k views

Installed TigerVNC, can't connect?

I've just installed TigerVNC on my Fedora 15 machine from the package manager then in terminal (as root): chkconfig vncserver on service vncserver start None gave me errors, so I went back to the ...
4
votes
1answer
4k views

VNC-Server as a virtual X11 monitor to expand screen problem

I tried to follow this To create a virtual screen on my display so I can show it on a remote monitor with a vnc client but when I try to add my mode xrandr --addmode VIRTUAL1 xrandr will tell me I ...
4
votes
2answers
10k 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 ...
4
votes
1answer
19k views

How can I have new ~/.vnc/xtartup files be configured for normal desktop by default?

When a user first runs vncserver, the following ~/.vnc/xstartup file gets created: #!/bin/sh # Uncomment the following two lines for normal desktop: # unset SESSION_MANAGER # exec /etc/X11/xinit/...
4
votes
3answers
6k 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
1answer
8k views

A messagebox keeping popping up in my centos VNC server asking to change proxy settings?

I have included a screenshot of what it looks like. It keeps appearing and in the morning you to close it 50 times. Could you please help me identify where the problem lies? NOTE: It's CentOs 6 ...
4
votes
1answer
93 views

Can I lock the screen of a remote computer and still keep it visible to the others on its side, but keep it unlocked to me on my side?

I would like to accessing a remote computer via xpra or vnc or some other desktop sharing way, and on the site of the remote machine , I would like to lock the screen (and optionally make it ...
4
votes
3answers
11k 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: #!/...