VLC
Uppgrade VLC:
http://nightlies.videolan.org/build/source/?C=M;O=D
$ dvbscan -o zap /usr/share/dvb/dvb-t/cz-Praha >> channels.conf
replacing cz-Praha by your location. then simply run
$ vlc channels.conf
Of course, you can scan the whole frequency scale, to do this, install w_scan and run :
$ w_scan -X >> channels.conf
$ w_scan -fs -sS4E8 -cRO -X >> channels.conf