This is non-exhausted list of aspect related to anything and could be added into the footer of each article.
Overview
wireshark capture packet
Install
Configure
Configure explain
Application in real life
Applicable in big and complicated system
Quick deploy
How big is a real use case
Vulnerable Points
Back up and restore
Load balance and Proxy, Reverse proxy
High Availability and Fault tolerance
Load endurance
History of Security , Security and Hardening
Creat one by your own (programming) (python, etc..)
Check log and explain
Troubleshoot tutorials
Automation
Maintenance and Tuning
Other analysis and discussion
Monitoring