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Hi I just updated my ubuntu karmic Koala to Lucid Lynx and found sth strange on my file /etc/passwd.


Can someone tell me what it is?

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up vote 7 down vote accepted

As the package description says, "Realtime Kit enables realtime scheduling for the PulseAudio daemon". This is an entry for the user running the RealtimeKit daemon.

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It's not actually a required package (only a recommended one):

$ aptitude why rtkit
i   pulseaudio Recommends rtkit

So you can remove it (though you may find you need if your pulseaudio app doesn't sound so good afterwards - but you can just reinstall it):

sudo apt-get remove rtkit
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