Installation Notes for Gentoo Linux

Say you have installed a Gentoo box and want to turn it into a receiver. The main Portage tree does not feature the necessary ebuilds, but you can find them in the Bitcetera overlay. First of all, you have to install Layman to get access to the Gentoo overlay repository.

Now add the Bitcetera overlay and install the ebuild:

layman -a bitcetera
echo "media-radio/rtlsdr-ogn" >> /etc/portage/package.keywords
echo "net-misc/procserv" >> /etc/portage/package.keywords
emerge -av media-radio/rtlsdr-ogn
vi /etc/rtlsdr-ogn.conf   # configure your receiver
/etc/init.d/rtlsdr-ogn start

You can check the operation with:

telnet localhost 50000   # RF activity
telnet localhost 50001   # decoder activity

Once everything works as planned, make sure the receiver is started at boot time:

rc-update rtlsdr-ogn default

By the way, the Bitcetera overlay contains the "media-radio/rtlsdr-airband" ebuild as well, an AM demodulator to relay radio voice communication to an Icecast server. It is possible to use two RTL DVB-T dongles at the same time, one for OGN and another one for Airband.

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