Implementing Nagios Service on Centos

You can do this through yum:

#yum install httpd httpd-devel php openssl-devel

#yum install gcc glibc Glibc-common

#yum install gd gd-devel


Start installing Nagios
Create account

Create nagios users and create nagcmd user groups to execute from Web interface commands and add nagios and apache users to this user group.

1. #groupadd nagcmd /*Create group nagcmd*/
   

   #usermod –G nagcmd apache /*Add user apache to group nagcmd*/
   

   #useradd -G nagcmd nagios /* create a new user nagios and added to the group nagcmd * /
   

   #passwd nagios /* modify nagios password * /
   
   
   

   Download Nagios and plug
   

   create a download store directory:
   

2. #mkdir ~ /downloads
   
   

3. #cd ~ /downloads
   
   

   from Download http://www.nagios.org/download/to download Nagios (Chinese version of the first-time installation is recommended for students who are not good at English) and plug-ins.
   

4. #wget http://sourceforge.net/projects/nagios-cn/files/sourcecode/zh_CN%203.2.3/nagios-cn-3.2.3.tar.bz2/download ## Chinese version #wget http://iweb.dl.sourceforge.net/project/nagiosplug/nagiosplug/1.4.16/nagios-plugins-1.4.16.tar.gz
   
   
   Compile and install Nagios
   

5. #tar -jxvf nagios-cn-3.2.3.tar.bz2 #cd nagios-cn-3.2.3
   
   
   

   run Nagios configuration script, and Change nagcmd to the group you created earlier.
   

6. #./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-group=nagcmd
   
   
   

   compiler Source:
   

7. #make all
   
   

   install binaries, init script, sample configuration file and directory permissions set up an external command.
   

8. #make install #make install-init #make install-config #make install-commandmode
   
   
   

   Do now perform nagios, here are some you need to configure .
   Custom Configuration
   

   The style configuration file has been installed in the /usr/local/nagios/etc directory, modify the contact as the administrator in the next step and change the email address.
   

9. #vi /usr/local/nagios/etc/objects/contacts.cfg
   
   
   configure web interface
   

   install Nagios Web in the Apache configuration file the conf.d directory:
   

10. #make install-webconf
    
    
    

    login Nagios Web interface to create nagiosadmin account. Remember the password you set below, and then log in.
    

11. #htpasswd -c /usr/local/nagios/etc/htpasswd.users barlow ## here I use my English name is barlow default administrator
    
    
    

    Restart Apache to make the new configuration take effect.
    

12. #service httpd restart