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Nagios 4 : Install
2016/09/15 |
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Install Nagios 4 which is an enterprise open source monitoring system.
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| [3] | Install Nagios. Also Install basic plugins to monitor nagios server itself. |
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# install from EPEL [root@dlp ~]# yum --enablerepo=epel -y install nagios nagios-plugins-{ping,disk,users,procs,load,swap,ssh,http}
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| [4] | Configure Nagios. |
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[root@dlp ~]#
vi /etc/httpd/conf.d/nagios.conf # line 24-26, change settings to set access permissionlike follows ( set for line 54-56, too ) # Require all granted# Require local
Require ip 127.0.0.1 10.0.0.0/24
# add nagios admin user [root@dlp ~]# htpasswd /etc/nagios/passwd nagiosadmin New password: # set any password Re-type new password: Adding password for user nagiosadmin systemctl start nagios [root@dlp ~]# systemctl enable nagios [root@dlp ~]# systemctl restart httpd |
| [5] | If Firewalld is running, allow HTTP service. |
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[root@dlp ~]# firewall-cmd --add-service={http,https} --permanent success [root@dlp ~]# firewall-cmd --reload success |
| [6] | Access to the "http://(Nagios server's hostname or IP address)/nagios/" from a client which is in the network allowed by Nagios server and authenticate with the Nagios admin user "nagiosadmin" to login. |
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| [7] | After successing authentication, the Nagios admin site is displayed. |
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| [8] | It's possible to view system status to click "Tactical Overview" and so on. |
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