Use Ssh-copy-id to log on to a remote server without a password

　　Local Machine generates public and private keys

Ssh-keygen -t RSA

All the way to the carriage return and finally the two files are generated in the ~/.ssh directory, Id_rsa and id_rsa.pub.

Establishing a trust mechanism with a remote server

ssh-copy-ID -i/root/. SSH/id_rsa.pub-p remote server SSH port [email protected] Remote server IP

Enter the password after successful connection. Subsequent reconnection will not require a password.

Follow-through on the local machine

SSH -P remote server port [email protected] Remote server IP

You do not need to enter a password to log on to the remote server properly.

Use Ssh-copy-id to log on to a remote server without a password