![]() (8) Runing as service you always clone the console, if started as application you clone the current session (console/RDP). (7) The password is generated for each session, access code is fixed. (6) Using the encryption plugin you can use a longer password or a predefined key. Both sites make an outgoing connection to the repeater and the repeater cross the data. (5) A seperate application "repeater" is needed. (4) The site behind the nat router need to initiate the connection. (2) One site is connected to the internet the other is behind a nat router. PcHelpWare or uvnc2me can be bundled without restriction. ![]() If you want to use UltraVNC or UltraVNC SC in combination with a commercial software you need to create a seperate installer or let your installer download UltraVNC. (1) GPL doesn't allow bunding of GPL and non GPL software. A VNC server must be run on the computer sharing the desktop, a VNC client must be run on the computer that will access the shared desktop. VNC, the Remote Frame Buffer protocol (RFB) allows a desktop to be viewed and controlled remotely over the Internet. It means that you can work on a remote computer, as if you were sitting in front of it, right from your current location. The program allows you to use your mouse and keyboard to control the other PC remotely. ![]() Ssh -NfL 5901:eendracht:5901 forwards local port 5901 to port 5901 on the remote computer.UltraVNC is a powerful, easy to use and free - remote pc access softwares - that can display the screen of another computer (via internet or network) on your own screen. Once that is done, you want to point your VNC client to the local port, and let SSH takes care of the rest.Įxample for commandline ssh on Mac OS X or Linux, in the example where your vnc runs on a computer called eendracht, and you have to connect through the ssh gateway (and your vnc is on :1 so the port is 5901): The other important thing to know is, what a tunnel actually does: it creates an encrypted connection between a local port on your computer, to a port on the remote computer. The most important part to know is, that SSH forwards TCP ports, and for VNC sessions, the TCP port in use is 5900 + the VNC session number, so it will be 5901 for the :1 session. In cases where you cannot directly use the ssh tunnel from vncviewer (e.g., you're not on Linux), you will have to set up the tunnel yourself. VNC over SSH tunnels for other VNC viewers So, this sets up an ssh connection through and then starts viewing the VNC session at eendracht:1. Just in case you cannot connect directly to the machine where you run your VNC session, you can connect through the machine : (no hostname necessary before the :1, once ssh has connected to the host, everything else is local) The command to start the viewer will then be: Now, since all our Linux computers are reachable through ssh, it is usually best to use the same computer for ssh that is running your vnc session. Now we could try to describe how to set up such a tunnel, but the mechanism is know to vncviewer, so usually it is as easy as adding -via and a hostname to handle the ssh setup. The solution is then to combine VNC with a SSH tunnel. You cannot directly connect to a vncserver from outside the institute, since VNC itself is only minimally encrypted, and not secure enough to be exposed to the net. So in general, a more lightweight xstartup would be preferable! See VNC desktop issues for details. (*) these desktops are often too heavy for a vnc session, since by default, they have 3D graphical desktop effects enabled, that need to be emulated in software, slowing down your session (and the host computer) without added benefits. Run one of these commands to get the version of your liking: Templates for the various desktops are available for installation. Note: if you want to run KDE Plasma in your vnc session, this is the setup:įor Gnome, replace the last line with gnome-session. vnc will be created the first time you run a vnc session, or when you install one of our template configurations mentioned below, but if you want to create your own setup before starting a session, make sure to create the directory first) The startup script for VNC is ~/.vnc/xstartup. You don't have to configure much, but you can control what applications to run in yout VNC session.
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