Networking Basics Study Guide

You'll find some study resources for network basics and beyond here.

OSI Reference Model

Best OSI Reference Model explanation in the world from Kelly Handerhan:

https://cybertrainit.com/osi-reference-modelcybertrainit.com

IP Protocol

This is so basic and so boring (to me). I just can't get my head around it.

Important topics are: CIDR, gateways, subnetting

IpTables / Firewall

How to create iptables firewall using custom chainssleeplessbeastie's notes

Best Network Monitoring tools

Top Terminal Based Monitoring Tools for Linux | ComputingForGeeksComputingForGeeks

7 Best Linux network monitor tools for system administrators - OLinuxOLinux