#! /bin/sh -e exec 2>&1 IP=$(cat ip.txt) ip addr add $IP dev eth0 ip monitor | grep -q $IP # So I say to him, "Alex, what's a good high port number for a CTF category?" # And he says, "6" # And I say, "no, it has to be bigger than 1000" # And he says, "how about 9001, because that's bigger than 9000" # Okay. exec tcpsvd ${IP%/*} 9001 ./run-printf