[Bro] Passive DNS

[cherish]

hi,i'm learning "Using Bro for Building Passive DNS Data", and i encounter the error(Permission denied) in executing these two long command.


 BRO_PDNS_DB=mysql://pdns:pdns@localhost/pdns /nsm/bro/share/bro/site/bro-pdns/bro_pdns.py serve
 BRO_PDNS_DB=mysql://pdns:pdns@localhost/pdns /nsm/bro/share/bro/site/bro-pdns/bro_pdns.py process /nsm/bro/logs/current/dns.log


Thanks for your reading ,would you please give me some advice ?
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