Nagios monitoring 4 configuration monitoring web Service, port, mysql, and other status instances

Nagios monitoring 4 configuration monitoring web Service, port, mysql, and other status instances

1. monitoring web Services

(1) edit services. cfg to define the service

Define service {

Use generic-service

Host_name 5-nagios-server

Service_description weburl

Check_command check_weburl! -H 5.nagios.com-u/data/

}

(2) edit/etc/hosts and configure local domain name resolution

172.20.10.5 5.nagios.com

172.20.10.6 6.nagios.com

(3) EDIT commands. cfg and define the command

Define command {

Command_name check_weburl

Command_line $ USER1 $/check_http $ ARG1 $-w 10-c 30

/Etc/init. d/nagios checkconfig

/Etc/init. d/nagios reload

2. Active mode monitoring port

(1) vi services. cfg

Define service {

Use generic-service

Host_name 5-nagios-server

Service_description port_80

Check_command check_port! -H 5.nagios.com-p 80

(2) vi commands. cfg

Define command {

Command_name check_port

Command_line $ USER1 $/check_tcp $ ARG1 $-w 10-c 30

}

3. Monitoring port service in passive mode

(1). vi services. cfg

Define service {

Use generic-service

Host_name 6-nagios-client

Service_description port_80_beidong

Check_command check_nrpe! Check_port_80

}

(2) EDIT nrpe. cfg on the client

Command [check_port_80] =/usr/local/nagios/libexec/check_tcp-H 172.20.10.6-p 80

Nagios Return Value

STATE_ OK = 0

STATE_WARNING = 1

STATE_CRITICAL = 2

STATE_UNKNOWN = 3

STATE_DEPENDENT = 4

4. Verify that the/etc/passwd content has been modified.

Md5sum/etc/passwd>/etc/oldboy. md5

[Root @ client01 etc] # cat/usr/local/nagios/libexec/check_passwd

#! /Bin/bash

Char = 'md5sum-c/etc/oldboy. md5 2>/dev/null | grep "OK" | wc-l'

If [$ char-eq 1]; then

Echo "passwd is OK! "

Exit 0

Else

Echo "passwd is changed! "

Exit 2

Fi

Edit nrpe. cfg

Command [check_passwd] =/usr/local/nagios/libexec/check_passwd

Edit services. cfg on the server

Define service {

Use generic-service

Host_name 6-nagios-client

Service_description check_passwd

Check_command check_nrpe! Check_passwd

}

/Etc/init. d/nagios checkconfig

/Etc/init. d/nagios reload