Tip: sudo to root. I am ignorant as dirt on this subject. Maybe this was obvious to everyone else. I read this at work and decided to log into one of our main

Tip: sudo to root. I am ignorant as dirt on this subject. Maybe this was obvious to everyone else. I read this at work and decided to log into one of our main web servers. I tried following the directions but I got the error: tcpdump could not find a suitable device However this: which tcpdump showed me that tcpdump was on the machine. I look back at the examples in the article and saw he was root. Luckily, where I work, all of the engineers are given root access on most of the machines. So I could sudo to root. And then the examples worked. Don't get tripped up like I did.