SSH Keys & Safe Remote Access
Use SSH keys on hosts you own — never brute-force strangers.
1. Password vs Key Auth
Why keys beat reused passwords for servers you own.
15 min
+24 XP
2. ssh-keygen Safely
Create a key pair under your home directory.
15 min
+24 XP
3. ssh Config Basics
Host aliases for YOUR machines only.
15 min
+24 XP
4. Lab: Generate a Lab Key
Create a practice key (do not upload secrets).
25 min
+24 XP
5. Quiz — SSH
SSH hygiene check.
10 min
+24 XP