Lessons
SSH
Software / SSH · introductory. 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
What SSH is
Secure remote shell and file transport.
Lesson 2
ssh user@host
Open a remote session.
Lesson 3
Keys with ssh-keygen
Create a key pair.
Lesson 4
ssh-copy-id and authorized_keys
Authorize your public key on a server.
Lesson 5
config Host blocks
Name shortcuts and defaults.
Lesson 6
scp basics
Copy files over SSH.
Lesson 7
sftp basics
Interactive file transfer session.
Lesson 8
StrictHostKeyChecking concept
Trust on first use — carefully.
Lesson 9
Agent and ssh-add
Hold decrypted keys in memory.
Lesson 10
exit and multiplexing intro
Leave sessions; reuse connections.
Sample certificate
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Certificate
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