Nagios is a powerful monitoring platform widely used by admins. Currently they defines version 2.5 as latest stable. Only version 1.x are available in Dapper and they made big changes in 2.x but all required dependencies are included in Dapper (I didn't check everyone just relevants, ej: libc6, libperl). So maybe it could be included in backports.
I also second !!! -- Nagios 2.4 https://launchpad.net/bugs/52974 -- ubuntu-backports mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-backports
