Install nagios monitoring in yum under centos6.5

Install nagios monitoring in yum under centos6.5

I. Nagios Server Installation

1. yum install-y httpd php mysql-devel

2. Install the nagios program on the server

Wgethttp: // response

Http://down1.chinaunix.net/distfiles/nagios-plugins-1.4.14.tar.gz

/Usr/sbin/useraddnagios

Tar zxvfnagios-3.2.1.tar.gz

Cdnagios-3.2.1

./Configure -- prefix =/usr/local/nagios -- with-command-group = nagios

Make all

Make install; makeinstall-init; make install-config; make install-commandmode; make install-webconf

Makeinstall // to install the main program, CGI and HTML files

Makeinstall-init // install the startup script in/etc/rc. d/init. d.

Makeinstall-config // to install the sample configuration file. The installation path is/usr/local/nagios/etc.

Makeinstall-commandmode // to configure Directory Permissions

Makeinstall-webconf // configure integration between nagios and apache

3. Install the Nagios-plugins plug-in for monitoring

Tar zxvfnagios-plugins-1.4.14.tar.gz

Cdnagios-plugins-1.4.14

./Configure -- prefix =/usr/local/nagios -- with-nagios-user = nagios -- with-nagios-group = nagios

Make & make install

4. The server installs nrpe and communicates with the client.

Tar-xzf nrpe-2.14.tar.gz

Cd nrpe-2.14

./Configure -- enable-ssl -- with-ssl-lib

Make all

Make install-plugin & make install-daemon-config

Chown-R nagios. nagios/usr/local/nagios

5. nagios access control settings

Htpasswd-c/usr/local/nagios/etc/htpasswd. users nagiosadmin

Enter the password twice. This password will be used when you log on to the page.

6. Restart nagios and httpd services

Before restart

/Usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios. cfg check whether it is correct

Restart nagios,/etc/init. d/nagios restart;/etc/init. d/httpd restart;

7. Access user name for Nagios test: nagiosadmin

Http: // localhost/nagios/For example:

Click "Hosts" on the left to view the monitoring of the default localhost on the right. "UP" indicates that the host is currently running normally:

Click Services on the left to view the status of each service monitored by localhost on the right. Green OK indicates that the service is normal:

Cancel the speaker,

Click the "Enable configurations forthis service" icon.

Click commit

Error: cocould not opencommand file '/usr/local/nagios/var/rw/nagiosnand' for update! Error message: no permission,

Authorize this file chmod 777/usr/local/nagios/var/rw/nagiosNaNd

Error:

Http warning: HTTP/1.1 403 Forbidden-5159 bytes in 0.002 second response time (WARNING: HTTP/1.1 is not authorized to access this website-0.002 seconds response time 5159 bytes)

Create and authorize the newly created webpage index.html

Chmod o + w/var/www/html/index.html

Ii. Install the Nagios monitoring Client

1. Install nagios-plugins

Useradd-s/sbin/nologin nagios

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

Cd nagios-plugins-1.4.14

./Configure -- prefix =/usr/local/nagios

& Make install

2. Install nrpe on the client

Tar -xzfnrpe-2.14.tar.gz & cd nrpe-2.14 &&

./Configure -- enable-ssl -- with-ssl-lib &&

Make all

Makeinstall-plugin & make install-daemon & makeinstall-daemon-config

Chown-R nagios: nagios/usr/local/nagios/

Run the following command to start the nrpe client:

/Usr/local/nagios/bin/nrpe-c/usr/local/nagios/etc/nrpe. cfg-d

3. Client nrpe settings

Vi/usr/local/nagios/etc/nrpe. cfg

Add the nagios Server IP address to the allowed_hosts = 127.0.0.1 Field

Allowed_hosts = 127.0.0.1, 192.168.1.151 or allowed_hosts = 127.0.0.1, 192.168.1.0/24