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How to manage SSH keys and sudo access safely

Build Keyspire, secure remote access and privilege management with SSH, sudo, authorized_keys.

  • Difficulty Intermediate
  • Parts 10
  • Stack SSH, sudo, authorized_keys

What you are learning

Keyspire is secure remote access and privilege management. The teaching focus is SSH (SSH, sudo, authorized_keys).

Work in order. Early parts set vocabulary and environment; later parts assume the earlier checkpoints.

How to use these lessons

Read the goal, open the matching GitHub folder, complete the lab or exercises, then return for the explanation. If a command fails, check you are in the numbered folder first.

Open the Keyspire GitHub repo →

Parts in order

Each chapter below is one checkpoint in this lab.