March 2015
Intermediate to advanced
260 pages
5h 30m
English
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Calculated checks
Calculated items are items calculated based on data of one or more already existing items in the Zabbix database. All calculations are handled by the Zabbix server and will never be calculated on the agent or the proxy.
Getting ready
If you want to do this exercise, then you need a Zabbix server that is properly setup and linked to the standard Linux template. Of course, you can alter the items that we have used and use your own if you like.
How to do it…
- The first step is to go to the Zabbix server and create a new item on the host or in a template.
- Give the item a name, something such as
% free on root. - Select the Type,
Calculated. - Fill in the Key with a unique name, example
free.root. - In the field Formula, we add:
100*last("vfs.fs.size[/,free]",0)/last("vfs.fs.size[/,total ...
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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.