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Retrieved from "https://gatecse.in/wiki/SSH_without_Password"

The basis of this is that your ID must be in the list of authorized hosts in the server. So, for password-less login to work, generate your public key, and append it to the authorized_hosts file in the server.

  • To create a public key, from terminal do
ssh-keygen -t rsa
  • To copy to authorized_hosts file do
cat ~/.ssh/id_rsa.pub | ssh serveruser@server 'cat >> ~/.ssh/authorized_keys'

Test by 

ssh serveruser@server

If no password is asked, everything worked fine.

You can also do the following command to copy the key 

ssh-copy-id serveruser@server


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