Lessons
SSH · Easy
Software / SSH · easy. Ten practical lessons. Open book. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim
Lesson 1 · On the house
ProxyJump
Hop through a bastion.
Lesson 2
LocalForward -L
Bring a remote port to localhost.
Lesson 3
RemoteForward -R
Expose a local port to the remote side.
Lesson 4
ControlMaster
Mux connections for speed.
Lesson 5
known_hosts
Pinned server identities.
Lesson 6
IdentitiesOnly
Offer only the keys you intend.
Lesson 7
Port and User in config
Stop typing the same flags.
Lesson 8
scp -r
Recursive copy pitfalls.
Lesson 9
rsync over SSH
Efficient sync through the SSH pipe.
Lesson 10
Troubleshooting with -v
See the handshake.
Sample certificate
Certificate of completion
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Certificate
Finish all ten lessons, then sign in
Pass every lesson on this device (quizzes and checks). Then sign in or create an account to type your name and download the JPG.