[Discuss-gnuradio] "sudo: addgroup: command not found"

[WeiXiaowei]

Hi,

When I follow the steps listed on "http://gnuradio.org/trac/wiki/UdevConfig"; to 
configure non-root access to the USRP. 

The first step is: Define a group named usrp.
 $ sudo addgroup usrp

but terminal returns "sudo: addgroup: command not found"

Does anyone meet the same problem, and any suggestion to fix it?

Thanks.

Alessandro


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