Shulou(Shulou.com)06/03 Report--

Nagios is an open source free network monitoring tool, which can effectively monitor the host status of Windows, Linux and Unix, network devices such as switches and routers, printers and so on. When the system or service status is abnormal, send an email or SMS alarm to notify the website operation and maintenance personnel as soon as possible, and send out a normal email or SMS notification after the status is restored.

NSClient:Windows 7 Monitoring plug-in

NRPE is an extension of the monitoring software nagios, which is used on the monitored server to provide some local information about the server to the nagios monitoring platform. For example, cpu load, memory usage, hard disk usage, and so on. NRPE can be called the for linux client of nagios.

1. Install the software:

Yum install-y gcc*

Yum install-y httpd mysql mysql-server mysql-devel php php-mysql glibc glibc-common * gd*

two。 Add a user:

3. Compile and install nagios:

The package used for this installation is nagios.iso

Tar-xvf nagios-3.3.1.tar.gz-C / root/

Then go to the nagios directory

. / configure-with-command-group=nagcmd-enable-event-broker

Make all

Make install

Make install-init

Make install-commandmode

Make install-config

Make install-webconf

4. Generate a password profile:

Enable the Apache service

5. Browsers view:

6. Install the plug-in Manager nagios-plugins:

Tar-xvf nagios-plugins-1.4.14.tar.gz-C / root/

Go to the directory to compile and install (nagios-plugins-1.4.14)

. / configure-with-nagios-user=nagios-with-nagios-group=nagios-with-mysql-enable-perl-modules

Make & & make install

Check the configuration file for errors:

/ usr/local/nagios/bin/nagios-v / usr/local/nagios/etc/nagios.cfg

Restart the nagios service

At this time, go to the browser to check:

Monitoring of Windows hosts:

7.Windows installation NSClient:

Server Settings Monitoring Windows:

Detect and restart nagios

/ usr/local/nagios/bin/nagios-v / usr/local/nagios/etc/nagios.cfg

Service nagios restart

The browser then looks at:

Linux client monitoring:

Monitoring of 8.Linux clients:

On top of the Linux customer:

Installation environment support:

Yum install-y gcc* openssl openssl-devel

Compile and install nagios-plugins

Tar-xvf nagios-plugins-1.4.14.tar.gz

You need to create a user

Useradd nagios

. / configure-with-nagios-user=nagios-with-nagios-group=nagios

Make all

Make install

Compile and install nrpe-2.8.1.tar.gz

. / configure-enable-ssl-with-ssl-lib=/usr/lib

Back to the server side:

Install nagios-plugins (installed)

Install nrpe

Tar-xvf nrpe-2.8.1.tar.gz-C / root/

. / configure-enable-ssl-with-ssl-lib=/usr/lib

Make all

Make install-plugin

Do not enable daemon and daemon-config

Define host {

Use linux-server

Host_name nagios

Address 192.168.115.174

}

Define service {

Use generic-service

Host_name nagios

Service_description check-load

Check_command check_nrpe!check_load

}

Define service {

Use generic-service

Host_name nagios

Service_description check-users

Check_command check_nrpe!check_users

}

/ usr/local/nagios/bin/nagios-v / usr/local/nagios/etc/nagios.cfg

Service nagios restart

Check the browser again:

9. Monitoring of services:

Linux client:

Install the software:

Yum install-y mysql mysql-server

Service mysqld start

Mysqladmin-uroot password '123456'

Server side:

Test the connection:

/ usr/local/nagios/libexec/check_mysql-H 192.168.115.174-u nagios-d nagios-p 123456

Define host {

Use linux-server

Host_name Mysql

Address 192.168.115.174

}

Define service {

Host_name Mysql

Check_period 24x7

Max_check_attempts 2

Normal_check_interval 1

Retry_check_interval 1

Contact_groups admins

Notification_interval 5

Notification_period 24x7

Notification_options w,u,c,r

Check_command check_mysql

}

Service nagios restart

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