automate ssh login using RSA

autologin.sh

# Put your id_rsa.pub and autologin file at the same folder. Run `chmode +x autologin.sh` then `./autologin` to automate
# your login.
#!/bin/bash

mkdir -p ~/.ssh && \
  chmod 700 ~/.ssh && \
  touch ~/.ssh/authorized_keys2 && \
  chmod 600 ~/.ssh/authorized_keys2 && \
  cat ./id_rsa.pub >> ~/.ssh/authorized_keys2

id_rsa.pub

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCiVg7xjAH8GikwLsFB+v9PjkP2ByTBQZVsxfuxbVivHjrvcvKHIhtOVE0NJ5ESOuwSggSPYYSMbIls9jaP4vXjUolggbmM0BnFJ182sb+2GuJ7TewtQG8BHitK+BgNaKHFAkZ/aolBHwl53RGOSvQpg8fOGjZoLVGnvTqUJjdqzWxwoL13DYXz8seo0YWvkTAFUf2P9sAOXAJOmUe+ADOv5r3ly7sd7if1tBQGfmYIPO9jDxauX3GE4mpEFTx+yYgt3CPXSQh8sYjbnTvOWaNRWJ/CxoXRyXo3D5i2qBqsNKeFMoknBiEZP/QFLC9lXni3p8L7CoRBZxeizTHGpKaB sinakashipazha@Deunans-MacBook.local