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Zabbix Cookbook
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Running individual checks has been great so far, but they are just checks on one system. What if you would like to know the total CPU load of a group of servers? For example, when you are running a cluster of servers? For this we can make use of the aggregated checks in Zabbix.
To be able to finish this recipe successfully we need our Zabbix server with a few Linux hosts installed and properly configured.
First, we create a new host called linuxgroup, for the agent IP address we can just put 0.0.0.0 and add it in a fictive hostgroup or for example, Discovered hosts.
Next, we create a new group (Configuration | Host groups) "aggregated" and we add two or more Linux hosts in this group.
Now we create an active item "system.cpu.load[percpu,avg1]" in a new template that we can link to all our hosts available in our "aggregated" group.
The next step is to create a new template for example aggregated-linux and link this template to our fake host linuxgroup...
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