Nagios : Email Notification Setting

Nagios : Email Notification Setting 2015/06/18

	This is the Email Notification Settings section. It is enabled on some items by default but if you change it, configure like follows.
[1]	Install and start SMTP Server, refer to here.
[2]	Set notification recipients. And aldo Nagios sends notifications with mail command, so install it.

[root@dlp ~]#  yum -y install mailx [root@dlp ~]#  vi/etc/nagios/objects/contacts.cfg # line 35: set recipient email address email  root@localhost [root@dlp ~]#  systemctl restart nagios

[3]

It's possible to change notification setting on Nagios admin site. Login to it and click "Services", then services list is displayed. The icons which are displayed near a service name are just the one which notification is disabled. (HTTP and SSH corresponds to the example below) To enable notification on a service, click service name first.

[4]	Click "Enable notifications for this service".

[5]	Click "Commit" button.

[6]	It's OK to set the notification.

[7]	If notification is enabled and a service has some troubles, the notification like follows are sent to the recipients you set.

Subject: ** PROBLEM Service Alert: localhost/SSH is CRITICAL ** User-Agent: Heirloom mailx 12.4 7/29/08 Content-Type: text/plain; charset=us-ascii From: nagios@dlp.srv.world ***** Nagios ***** Notification Type: PROBLEM Service: SSH Host: localhost Address: 127.0.0.1 State: CRITICAL Date/Time: Wed Feb 25 03:29:48 JST 2015 Additional Info: Connection refused