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Revision as of 23:20, 28 February 2020 by Zotz (Talk | contribs) (Initial notes: - added info on x11vnc)

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All Roads Lead to Rivendell

VNC access from inside and outside the studios.

Or ... how to gain access to your Rivendell system from anywhere in the Universe.

Initial notes

<This set of initial notes from drew Roberts. Should get fleshed out and made more portable.>

We set up the VNC and other tunnels via SSH with a BASH script like this:


 echo "SSH to port forwarded rdserver with tunnels"
 echo "vnc71, 6201:6201, 8090:80, 8100:8000"
 echo "6201 is the orban?)"
 ssh -p 2022 -L 6201: -L 5971:localhost:5901 -L 8090:localhost:80 -L 8100: -X rd@some.routable.ip.address

At the some.routable.ip.address we have the firewall/router that the Rivendell server sits behind on a static IP address or on a reserved IP address in the router so that we can set up the port forward on the router.

In this example, that would be something like:

The port forwards would be something like this:

2022 external -> internal (VNC control of Rivendell server)
8100 external -> internal (Icecast server for relay pull)

The tunnels are like this:

  • VNC client connects to 5971 and gets to 5900 on localhost
  • web browser connects to localhost:8090 and goes to port 80 on localhost which is an Apache web server
  • web browser connects to localhost:8100 and goes to port 8000 on the Icecast server
  • VLC or another audio player capable of streaming from an Icecast server can connect to http://localhost:8100/stream.m3u to listen to the stream over the tunnel.
  • VLC or another audio player capable of streaming from an Icecast server can connect to http://some.routable.ip.address:8100/stream.m3u to listen to the stream over the open internet
  • Optimod software can connect to localhost on port 6201 to connect to the Optimod port 6201 at

We run x11vnc for the vnc client to connect to over the ssh tunnel described above. What we do is have the user rd set to log in automatically, Then we start x11vnc as enabled by the following:

$ cat /home/rd/.config/autostart/x11vnc.desktop [Desktop Entry] Encoding=UTF-8 Name=x11vnc Comment=X11 VNC server Exec=/usr/bin/gnome-terminal -x /usr/bin/x11vnc -rfbauth /home/rd/.vnc/passwd -display :0 -shared -forever -solid red Terminal=false Type=Application Categories=Application

Basically, the desktop entry in .configure/autostart is run on login. This uses gnome terminal to kick off x11vnc with the parameters shown and uses the password stored in /home/rd/.vnc/passwd as shown

x11vnc was installed as follows:

yum install x11vnc.x86_64