SSH & Remote Access Certification

Keys, config, tunnels and hardening — the skill every server job assumes you already have.

  • 10 topic quizzes, 10 questions each
  • Any 2 free, then 10 credits
  • Earn a certificate as you clear topics

Topics

Start with whichever topic you need — there is no fixed order. Any 2 quizzes in this track are free; after that each is 10 credits and stays yours to re-attempt as often as you like.

Quizzes for this track are being written now. The topics below are what it will cover.

  1. 01How SSH works — keys, handshakes, host verification
  2. 02Generating and managing key pairs
  3. 03authorized_keys and known_hosts
  4. 04The SSH client config file
  5. 05ssh-agent and agent forwarding
  6. 06Local, remote and dynamic port forwarding
  7. 07scp, rsync and file transfer
  8. 08Hardening sshd — disabling passwords and root
  9. 09Jump hosts and bastion patterns
  10. 10Diagnosing a failed connection
Who it's forStudents about to be handed production access for the first time.
What you need firstNothing. Each quiz stands on its own, so pick any topic and start there.

How the certificate works

Score well on a quiz and you earn a shareable certificate for it, with your score and rank. Clear topics in any order and collect them — every one is a link you can put in front of someone.

Every question is dual-AI verified, and any 2 quizzes in this track cost nothing.