fatal error: pcap.h: No such file or directory

Fix:
=====

#sudo apt-get install libpcap0.8-dev

OR

#wget http://mirror.esc7.net/pub/Ubuntu/pool/main/libp/libpcap/libpcap0.8-dev_1.4.0-2_amd64.deb

#sudo gdebi libpcap0.8-dev_1.4.0-2_amd64.deb