fail to start server

[jerry kwajaffa]

Gd day,
please i need your help,
i install freeradius 2.1.12 on centOS 6.2, when ever i try to strart that server o debug, i.e radius -X
it gives the following   Failed binding to /var/run/radiusd/radiusd.sock: No such file or directory

am i to create the file on that path ? pls i need help
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