OpenSSH setting a password-free logon to a remote server

Host hosts | remote machine server

Target: Login to server from host, password-free input

Host machine:

SSH-KEYGEN-T RSA

Two files are generated in ~/.ssh/id_rsa.pub and Id_rsa

Server machine:

Id_rsa is the key, Id_rsa.pub is the public key, and the id_rsa.pub is placed in the ~/.ssh/folder of the server

Host machine:

" Cat >> ~/.ssh/authorized_keys " < ~/.ssh/id_rsa.pub

After the password is entered successfully.

You only need the SSH URL to log in directly.

OpenSSH setting a password-free logon to a remote server