Nagios+nsclient+nrpe Environment Construction

Nagios is an open-source, free network monitoring tool that effectively monitors Windows, Linux and UNIX host status, network devices such as switch routers, printers, and more. Send mail or SMS alarm when the system or service status is abnormal the first time to notify the site operators, after the status of the resumption of normal mail or SMS notification.

Nsclient:windows 7 Monitoring plug-in

Nrpe is an extension of the monitoring software Nagios, which is used on monitored servers 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 Nagios for Linux client.

1. Install the SOFTWARE:

Yum Install-y gcc*

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

2. Add Users:

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3. Compile and install Nagios:

The package used for this installation is Nagios.iso

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TAR-XVF nagios-3.3.1.tar.gz-c/root/

And then into 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 the password configuration file:

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Open Apache Service

5. Browser View:

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6. Install the plugin Manager nagios-plugins:

TAR-XVF nagios-plugins-1.4.14.tar.gz-c/root/

Go to Directory compilation installation (nagios-plugins-1.4.14)

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

Make && make install

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Check the configuration file for errors:

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

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Restarting the Nagios service

Now go to the browser check:

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Monitoring of Windows hosts:

7.Windows installation nsclient:

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Server Settings monitoring windows:

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Detect and restart Nagios

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

Service Nagios Restart

Browser View again:

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Linux Client monitoring:

Monitoring of 8.Linux clients:

On top of Linux customers:

Installation Environment Support:

Yum install-y gcc* OpenSSL openssl-devel

Compiling and installing Nagios-plugins

TAR-XVF nagios-plugins-1.4.14.tar.gz

Need to create user

Useradd Nagios

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

Make all

Make install

Compiling and installing nrpe-2.8.1.tar.gz

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

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Back to server side:

Install Nagios-plugins (installed)

Installing 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

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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

}

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

Service Nagios Restart

Check your browser again:

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9. Monitoring of services:

Linux client:

Install the Software:

Yum install-y MySQL Mysql-server

Service mysqld Start

Mysqladmin-uroot password ' 123456 '

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Server-side:

To test the connection:

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

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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

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Service Nagios Restart

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Nagios+nsclient+nrpe Environment Construction