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ssh-add Command - Add Private Keys to the SSH Authentication Agent

The ssh-add command adds private key identities to the ssh-agent authentication agent, allowing you to use SSH keys without entering your passphrase every time.

Syntax

ssh-add [options] [file ...]

Examples

ssh-add ~/.ssh/id_rsa

Add the default private key to the agent.

ssh-add -l

List fingerprints of all identities currently represented by the agent.

ssh-add -D

Delete all identities from the agent.

Notes

ssh-add is typically used with ssh-agent to manage multiple SSH keys.
Use ssh-keygen to generate new SSH key pairs.
Keys added with ssh-add are available for the duration of the session or until removed.

Related Linux Commands:

ssh-agent - SSH key authentication agent
ssh-keygen - Generate SSH keys