A host can be considered a basic grouping unit in Zabbix configuration. As you might remember, hosts are used to group items, which in turn are basic data-acquiring structures. Each host can have any number of items assigned, spanning all item types—Zabbix agents, simple checks, Simple Network Management Protocol (SNMP), Intelligent Platform Management Interface (IPMI), and so on. An item can't exist on its own, so hosts are mandatory.
Zabbix does not allow a host to be left alone, that is, to not belong to any group. Let's look at what host groups we currently have defined—from the frontend, open Configuration | Host groups, as shown in the following screenshot:
The first thing that should catch your eye is that the ...
