Passwordless SSH login setup

This process will demonstrate how to setup a basic passwordless SSH keys.  The keys that are created allows you to log into your shell server securely without having to enter your password or you want you can create a passphrase for added security measure but remember if you cannot remember your passphrase then you must recreate them.

Step 1. ssh-keygen -t rsa -b 2048

This creates both private and public keys using rsa  with 2048 bit encrytion.

Step 2.  ssh-copy-id -i /home/user/.ssh/id_rsa.pub remote_host

Ssh-copy-id is a script to connect to the remote host, copy the id_rsa.pub into the users .ssh folder and give it the correct permissons.

 

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