====== Configure Key-based Authentication For SSH ======

**General Information**

SSH public/private key authentication for password-less logins. 

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===== On Server1 =====

Generate public/private key pair (press 'enter' when prompted to enter a passphrase to keep empty)
<code bash>
ssh-keygen
</code>
  * By default, uses type "rsa"
  * Private key in /home/<user>/.ssh/id_rsa
  * Public key in /home/<user>/.ssh/id_rsa.pub

\\
Copy from server1 to destination server2
<code bash>
ssh-copy-id user@192.168.1.151
</code>

\\
Execute Command on remote system (or simply ssh login normally)
<code bash>
ssh user@192.168.1.151 "ls -la"
</code>

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