ssh-keygen -y

ssh-keygen -y reads a private key in OpenSSH format file and print an OpenSSH public key to stdout.

• Generate public key from private key:

ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub
(no output)

Related

• Generate public key from private key

See also

• ssh-keygen [ -R, -t, -C | -p | -i | -y | -f | ~/.ssh/id_rsa | --help ] ~/.ssh/known_hosts, ssh-copy-id, Mlkem, ~/.ssh/authorized_keys