linux ssh Certificate‐Based Authentication - ghdrako/doc_snipets GitHub Wiki

• https://goteleport.com/blog/how-to-configure-ssh-certificate-based-authentication/
• https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-linux-server
• https://smallstep.com/blog/use-ssh-certificates/

ssh-copy-id username@remote_host
ssh-copy-id -p 3022 [email protected]

or

Configure sshd to trust certyficates signed by user_ca.pub

/etc/ssh/sshd_config:

TrustedUserCAKeys /etc/ssh/user_ca.pub

systemctl restart sshd