How to capture HTTP traffic with the command line using tshark, wireshark, socat and tcpdump

capture.sh

sudo emerge wireshark
sudo tshark tcp dst port 80
sudo tshark 'tcp dst port 80' -R'http.request.method == "GET"'

sudo tcpdump -i lo -s 1024 -l -A port 82

socat -vs UNIX-LISTEN:/tmp/a.sock,reuseaddr UNIX-CONNECT:/var/run/engineyard/unicorn_cirrus.sock
tcpdump -s0 dst host api.mixpanel.com