Operating Systems

check_cpu_info

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Description:

This plugin is successfully tested on Ubuntu server-client environment. This script, written in bash is intended for getting total CPU use in percentage along with four important CPU usage information like User, System,Idle and IOwait. By default it will give us warning and critical at 95% and 98% total CPU usages respectively. You can specify the warning and critical point later while creating command.

Current Version

1.0

Last Release Date

July 6, 2016

Compatible With

  • Nagios 4.x

Owner

Sabin Rai

License

GPL

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Project Files
FileDescription
check_cpu_info

: Nagios Plugin

Project Notes
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% ---------===========--------- 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
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