Frequently asked questions for SSH

In this section we collect all frequently asked questions about SSH. Do you have a question or one that really should be listed here? Share your feedback. Thanks for your contribution!

How to disable the SSH host key check?

Learn how to disable the SSH check of host authenticity and key fingerprint with ssh option StrictHostKeyChecking.

How to disable the usage of the SSH agent

Learn how to disable the usage of the SSH agent when authenticating.

How to remove the passphrase from a SSH key

Remove the password or passphrase from a SSH key using the ssh-keygen command.

How to see the available SSH keys in the OpenSSH authentication agent

Show the available SSH keys that are loaded in the SSH authentication agent.

How to start the SSH agent?

When the SSH agent is not running, how can you start it? In this article we will have a look at the options.

How to terminate a SSH connection that does not respond to CTRL+C

Learn about SSH escape sequences and how they can help with terminating a SSH connection that does not respond to CTRL+C.

What is SSH agent forwarding?

Learn more about the SSH agent forwarding feature and what problems it tries to resolve.

What is the purpose of the SSH agent?

What is the purpose of the SSH agent and when to use it?