Turn a one-off experiment into a repeatable system
Goal
You should be able to demonstrate the result described in the lesson and explain why each step was necessary.
You should be able to demonstrate the result described in the lesson and explain why each step was necessary.
Step-by-step
01
Record hardware and OS
Include model, storage, memory, hostname, and operating system version.
02
Record network settings
Document reservations, DNS records, port forwards, and firewall intent.
03
Record install steps
Keep commands and package names, but never store plaintext secrets in the document.
04
Record application data locations
Know where databases, uploads, configuration, and logs live.
05
Write a restore order
Document what must come first after a total device failure.
Verify before moving on
You should be able to demonstrate the result described in the lesson and explain why each step was necessary.
You should be able to demonstrate the result described in the lesson and explain why each step was necessary.
Troubleshooting
If a command or screen differs from the lesson, stop and verify the version you are using before forcing a change.
What you learned
You now understand the purpose of this part of the system and have a concrete result you can verify before continuing to the next lesson.