Problem with RA streaming with mplayer

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http://unix.stackexchange.com – I am trying to play a .ra streaming with mplayer from this url: rtsp://mm6.rai.it/radiofonia/radio3/napoli/battiti/2012/battiti2012_10_04.ra I use to execute the command mplayer rtsp://url.ra, but now this seems doesn't work MPlayer2 UNKNOWN (C) 2000-2011 MPlayer Team mplayer: could not connect to socket mplayer: No such file or directory Failed to open LIRC support. You will not be able to use your remote control. Playing rtsp://mm6.rai.it/radiofonia/radio3/napoli/battiti/2012/battiti2012_10_04.ra. Resolving mm6.rai.it for AF_INET6... Couldn't resolve name for AF_INET6: mm6.rai.it Resol (HowTos)