Setting up pnp4nagios on Fedora is pretty straightforward. 1. Install pnp4 nagios yum install pnp4nagios 2. Setup /etc/nagios/nagios.cfg process_performance_data=1 host_perfdata_command=process-host-perfdata service_perfdata_command=process-service-perfdata 3. Setup /etc/nagios/objects/commands.cfg to send performance data to pnp4nagios. define command{ command_name process-host-perfdata command_line /usr/bin/perl /usr/libexec/pnp4nagios/process_perfdata.pl -d HOSTPERFDATA } define command{ command_name process-service-perfdata command_line /usr/bin/perl /usr/libexec/pnp4nagios/process_perfdata.pl } 4. Setup: /etc/nagios/objects/yourserver.cfg define host { name host-pnp action_url /nagios/pnp4nagios/index.php?host=$HOSTNAME$&srv=_HOST_ register 0 } define service { name srv-pnp action_url /nagios/pnp4nagios/index.php?host=$HOSTNAME$&srv=$SERVICEDESC$ register 0 } # a servi...