On UNIX(tm): $ cd ~/.ssh $ ssh-keygen -t rsa $ cp id_rsa.pub authorized_keys On Windows(tm): - scp user@unixsystem:~/.ssh/id_rsa ./ - puttygen conversion - import key - <id_rsa> - save private key - <ux-key.ppk> - file - exit - putty configuration - connection - ssh - auth - pki. file for auth (ux-key.ppk). - <save putty default config> test putty connection...
For other unix systems you distribute the authorized_keys but make sure your homedir has correct permissions (chmod 750).