How to schedule tcpdump to run for a specific period of time?

Question

Each time, when I manually run tcpdump, I have to use Ctrl+C to stop it. Now I want to schedule my tcpdump with cronjob and I onl

Answer 1

You could do it like this:

tcpdump -i eth0 'port 8080' -w  myfile & 
pid=$!
sleep 1.5h
kill $pid