Setting up openssh-server (4.2p1-7ubuntu3) ...
Creating SSH2 RSA key; this may take some time ...
Creating SSH2 DSA key; this may take some time ...
 * Restarting OpenBSD Secure Shell server...                             [ ok ]

nani@zoneminder:~$  /etc/init.d/ssh start
 * Starting OpenBSD Secure Shell server... Could not load host key: /etc/ssh/ssh_host_rsa_key
Could not load host key: /etc/ssh/ssh_host_dsa_key
                                                                         [ ok ]