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→Investigation 2: Nagios Notifications
* Set the notification interval for the host and service you created in investigation 1 to five minutes. This is unreasonably short for most installations, but in this lab we want to get multiple notifications in a very short time line so that we can be sure they are working.
* If either of these services go into a hard-fail state, nagios should now send you an email. Note that you will have to configure the email server on your host to accept email for your domain.
* Manipulate you machine to cause these checks to fail (e.g. set your firewall to block the ping ssh traffic), and make sure you receive the email before continuing.
* Fix your machine so the checks are passing again.
* Add a hostescalation and a serviceescalation so that if you don't fix the issue before you are notified three times, the notification will instead be sent to the senior admin.
