Open a terminal and use the following command for rtlsdr:
dump1090-sdrplus --net --net-http-port 8000
For hackrf use:
dump1090-sdrplus --dev-hackrf --net --net-http-port 8000
Bladerf support is offered by dump1090-fa
Optionally,
--interactive
could be used to make the output in the terminal more readable.
The http port is changed from the default as that will be needed by Virtual Radar.
Next, open Virtual Radar from the applications menu or type the following in a terminal:
mono ~/src/VirtualRadar/VirtualRadar.exe
After opening you should see your receiver connected under 'Feed Status'. If not, use Tools>Options>Receivers>Receiver>Wizard.
Once connected click the link at the bottom of the 'Web server status' box or open firefox and navigate to http://127.0.0.1:8080/VirtualRadar/desktop.html
An internet connection is required for the map to display correctly.
Use the zoom buttons and grab the map to show your current location. Aircraft that are picked up in dump1090 should now be displayed on the map.