Benefit of Keychain over ssh-agent

Keychain is actually a front-end to ssh-agent

Old Way

New Way

Keychain will re-use your original ssh-agent.

Not create a new instance per shell.

Some of the images are not my own 🙂

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Keychain Concepts

Here I explain the concepts that make up ssh key authentication and keychain:

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Demonstration

Here, I show you how to implement keychain: