check_cpu_info

Testing script locally (after downloading script make sure script is in executable mode)

user@localhost$ chmod +x check_cpu_info
user@localhost$ ./check_cpu_info
[CPU_INFO: 2.90% ] User: 0.00% - System: 2.90% - Idle: 97.10% - IOwait: 0.00% | - Nice: 0.00% - Hardware_interrupts: 0.00% - Software_interrupts: 0.00% - Steal: 0.00%

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Getting remote CPU information for remote client using nrpe. Note that information like nice, hi, si and steal are disable on display.

1. On Server:
1.1. define service
root@server#vim /usr/local/nagios/etc/servers/clients.cfg
define service {
use generic-service
host_name
service_description CPU INFO
check_command check_nrpe_cpu
notifications_enabled 0
}

1.2. define command
root@server#vim /usr/local/nagios/etc/objects/commands.cfg
define command {
command_name check_nrpe_cpu
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c check_cpu
register 1
}
#/etc/init.d/nagios restart

NOTE: Make sure you have /usr/local/nagios/libexec/check_nrpe file. Sometimes it is located under /usr/lib/nagios/plugins/check_nrpe. In that case copy the file to previous location.

2. On Client: (move check_cpu_info plugin inside /usr/lib/nagios/plugins/)
root@client#vim /etc/nagios/nrpe.cfg
command[check_cpu]=/usr/lib/nagios/plugins/check_cpu_info -w 80 -c 90
#/etc/init.d/nagios-nrpe-server restart