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I would like to run the command Urlsnarf -n -i p33p1 >> file when the p33p1 network interface gets its IP address.

Initially I tried to run the command at bootup by adding the a crontab entry @reboot command. For some reason, Urlsnarf failed to start and I assume it is because the NIC is not ready yet.

I am using Fedora Beefy Miracle.

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If you are using isc-dhcp-client, provisions are made for "hook scripts" which will run at various stages of the DHCP process, including when an address is acquired. /etc/dhcp/dhclient-enter-hooks.d or similar.

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No, i am not using isc-dhcp-server. This is a plain fedora installation for a pc connected to a NetGear router. – Rajkumar R Aug 20 '12 at 13:47
Haha, big goof on my part. I meant isc-dhcp-client - edited. Anyway, whatever DHCP client software you are using, look to see if it has this feature. – ultrasawblade Aug 20 '12 at 14:02
No dhclient-enter-hooks.d file under /etc/dhcp. I have no special dhcp client intalled, just the default one. – Rajkumar R Aug 20 '12 at 14:22
forums.freebsd.org/showthread.php?t=8513 - I have it on my system but I may have an older version of dhclient ... – ultrasawblade Aug 20 '12 at 15:33

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