-is the same as that of \fBextend-key\fP, below. A key revoker
-fingerprint can be specified with the `-r' or `--revoker' option. `g'
-may be used in place of `gen-key'.
-
-.TP
-.B diagnostics
-Review the state of the server with respect to the MonkeySphere in
-general and report on suggested changes. Among other checks, this
-includes making sure there is a valid host key, that the key is
-published, that the sshd configuration points to the right place, and
-that there are at least some valid identity certifiers. `d' may be
-used in place of `diagnostics'.