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Editor's Notes

1. An item has all the data to define how a check is to be performed on the host. ( important ones: a name for the item, a check type: info about what data we want and how to get it, a check interval). The result is that a 'key' is stored for a certain host. (eg FTP-key being 0 or 1, off or on) In Zabbix, we speak of several 'Check types' the most important ones being 'simple checks' and 'external checks'.
2. Zabbix sender: command line util used to send perfdata to zabbix item: ftp on trigger: ftp down action: if ftpdown then mail system.cpu.load system.proc.mun Simple checks Agent SNMP Other Scripts Internal checks : used to monitor the inernals of zabbix Aggregated checks : direct datbase queries (calculate avg cpuload of a group)
3. Applications: group that can contain all items related to smth mysql