# ssh-keygen ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: NB: Please dont put password (Only Enter) Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: 41:71:f3:9b:14:tc:6f:de:fa:m1:05:c5:0d:65:b6:b7 root@svr7.server.co.id The key's randomart image is: +--[ RSA 2048]----+ | o.oo. .+*| | . ..o.. ++| | . .o ...| | . .oo .o| | x oo. w.| | .... | | .o | | . . | | .. | +-----------------+ Copy id_rsa to server destination # ssh-copy-id -i ~/.ssh/id_rsa.pub 192.9.18.25 Synchronize Script # rsync -avz --delete /mnt/test/ root@192.9.18.25:/mnt/test/