nagios-plugins -- Host/service/network monitoring program plugins for Nagios
http://nagiosplug.sourceforge.net/
This package contains the basic plugins necessary for use with the
Nagios package. This package should install cleanly on almost any
RPM-based system.
But you may need additional packages. Depending on what plugins you use,
the following packages may be required:
bind-utils, mysql, net-snmp-utils, ntp, openldap, openssh-clients,
openssl, postgresql-libs qstat, radiusclient, samba-client, sendmail