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How to authenticate passwordless via SSH

Change to the user that should be able to authenticate passwordless
# su - monitor

If there is no RSA keypair, generate a new one
# ssg-keygen -t rsa

User ssh-copy-id to copy your public SSH key to the destination
# ssh-copy-id -i ~/.ssh/id_rsa.pub root@10.129.53.27

Connect via SSH to the remote host without password
# ssh 10.129.53.27

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