nagios的配置总结

所有都是yum安装：

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# vim /etc/nagios/nagios.cfg

添加主机配置文件到主配置文件

cfg_file=/etc/nagios/objects/localhost.cfg

cfg_file=/etc/nagios/objects/172.16.1.1.cfg

2. # vim /etc/nagios/objects/commands.cfg

添加 check_nrpe 命令到 commands.cfg

define command{

command_name check_nrpe

command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$

}

3. 主机配置模版：

# cat 172.16.10.134.cfg

define host{

use linux-server

host_name 172.16.1.1

alias 172.16.1.1

address 172.16.1.1

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_ping

check_command check_ping!100.0,20%!200.0,50%

max_check_attempts 5

normal_check_interval 1

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_ssh

check_command check_ssh

max_check_attempts 5

normal_check_interval 1

notification_interval 60

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_http

check_command check_http

max_check_attempts 5

normal_check_interval 1

notification_interval 60

}

define service{

use generic-service

host_name 172.16.1.1

service_description Root Partition

check_command check_local_disk!20%!10%!/

}

define service{

use generic-service

host_name 172.16.1.1

service_description Current Users

check_command check_local_users!20!50

}

define service{

use generic-service

host_name 172.16.1.1

service_description Total Processes

check_command check_local_procs!450!500!RSZDT

}

define service{

use generic-service

host_name 172.16.1.1

service_description Current Load

check_command check_local_load!5.0,4.0,3.0!10.0,6.0,4.0

}

define service{

use generic-service

host_name 172.16.1.1

service_description Swap Usage

check_command check_local_swap!20!10

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_load

check_command check_nrpe!check_load

max_check_attempts 5

normal_check_interval 1

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_disk_opt

check_command check_nrpe!check_opt

max_check_attempts 5

normal_check_interval 1

}

define service{

use generic-service

host_name 172.16.1.1

service_description port 145

check_command check_tcp!145

}

define service{

use generic-service

host_name 172.16.1.1

service_description port 110

check_command check_tcp!110

}

define service{

use generic-service

host_name 172.16.1.1

service_description port 106

check_command check_tcp!106

}

define service{

use generic-service

host_name 172.16.1.1

service_description port 107

check_command check_tcp!107

}

define service{

use generic-service

host_name 172.16.1.1

service_description check_mem

check_command check_nrpe!check_mem

max_check_attempts 5

normal_check_interval 1

}

[root@local objects]#

客户端：

[root@local plugins]# vim /etc/nagios/nrpe.cfg

command[check_users]=/usr/lib64/nagios/plugins/check_users -w 5 -c 10

command[check_load]=/usr/lib64/nagios/plugins/check_load -w 15,10,5 -c 30,25,20

command[check_hda1]=/usr/lib64/nagios/plugins/check_disk -w 20% -c 10% -p /dev/hda1

command[check_opt]=/usr/lib64/nagios/plugins/check_disk -w 20% -c 10% -p /dev/mapper/all--data-data01

command[check_zombie_procs]=/usr/lib64/nagios/plugins/check_procs -w 5 -c 10 -s Z

command[check_total_procs]=/usr/lib64/nagios/plugins/check_procs -w 150 -c 200

command[check_mem]=/usr/lib64/nagios/plugins/check_mem.sh -w 150 -c 100

# cat /usr/lib64/nagios/plugins/check_mem.sh

#!/bin/bash

TOTAL=`free -m | head -2 |tail -1 |gawk '{print $2}'`

# Free memory

FREE=`free -m | head -2 |tail -1 |gawk '{print $4}'`

# to calculate free percent

# use the expression free * 100 / total

FREETMP=`expr $FREE \* 100`

PERCENT=`expr $FREETMP / $TOTAL`

echo "$FREE MB ($PERCENT%) Free Memory"

exit 0

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