February 2018
Beginner
290 pages
7h 28m
English
Content preview from Hybrid Cloud for Architects
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Enhanced monitoring
With the TCP and UDP monitoring, we went one step further than the ICMP monitoring; however, if the application is hung, the TCP port might be open, but the application is not picking up data from the memory buffer.
In order to verify that the application itself may be working, we use enhanced monitoring, where the application is asked to do perform a certain task and then the response is checked to see whether everything matches, and then it is considered up or down.
As an example, let's assume we are monitoring the web server, and we create a page called testmonitor.html with the content Webserver is UP. The enhanced monitor will perform an HTTP GET in order to get the page, and can validate the content.
The enhanced ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.