'od' only needs to read 4 bytes of random data
'od' only needs to read 4 bytes of random data

'-N 4' option looks portable across all major flavors of *BSD, Linux, OSX
Adding this option prevents a strange case where 'od' can go to
100% CPU in restart scenarios

ingwinlu/relx,ethercrow/relx,tsloughter/relx,zugolosian/relx,umatomba/relx,erlware/relx,lrascao/relx,priestjim/relx