if you're in trouble already, no book will help you... :D
wireshark, ifconfig, route, ping, netstat, etc are your REAL friends on Linux! :)
wireshark, ifconfig, route, ping, netstat, etc are your REAL friends on Linux! :)
The environment would have to be interactive though. Not a written problem set but some network of containers that exhibits the problem. That's how one gets the experience.
Think: leetcode for networking. I would pay for that.