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    SSH

    SSH → Secure Shell

    • ~/.ssh/authorized_keys contains list of Public Keys. These keys are authorized to log into the system.
    • $ ssh-keygen generates a SSH key in ~/.ssh deirectory
      • Two keys are generated
        1. id_rsa which is the Private Key(Donot Share)
        2. id_ras.pub → Public Key (for sharing)

    For Copying Public Key to Server

    ssh-copy-id username@hostname
    • $ ssh-add adds your Private Key to the SSH Authentication Agent for sso
      • The -A flag enables forwarding of the SSH Authentication Agent