Zabbix 2.
02 Monitoring System Overview
Zabbix Tutorial Slides - https://monitor.rice.edu/tutorial/
Zabbix Webinar Videos - https://monitor.rice.edu/webinars/
Introduction
Zabbix is distributed network monitoring software that functions by polling and trapping data. Using this data Zabbix can create specific reports and statistics, which can be accessed from a web based front end. Zabbix data is dependent on the backend database values for a specific item. Zabbix data gathering works at intervals and are not on-demand.
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Fore more information see: https://www.zabbix.com/documentation/2.02/manual
Architecture Overview
Zabbix Server - Central process and repository where all configuration, statistical, and operational data are stored. Performs polling and trapping of data, calculates triggers, send notifications to users.
Zabbix Agent - Deployed on monitoring servers/devices to actively monitor local resources and applications and report the gathered data to the Zabbix server. Zabbix Agent can perform passive and active checks.
Passive Check is data being requested by the Server to the Agent.
Active Check is data being sent from the Agent to the Server.
Host groups
Host groups are containers of hosts and templates.
Host groups are what permissions are based on for user groups.
Recommended to use Hostgroup Host group names that includes the group of the owner.
Examples:
Group Name: Middleware Development & Integration - MDI
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MDI - Cyrus Mail Servers
MDI - Netscaler Servers
Hosts and Templates
Hosts and Templates are almost the same on the backend.
They both hold Application names, Items, Triggers, Graphs, Screens, and Discovery Rules.
Templates
Templates contain Application names, Items, Triggers, Graphs, Screens, and Discovery Rules that are used to apply to one or more hosts.
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Recommended to use template names that include the group name of the owner.
Hosts
Object to be monitored (servers, switches, routers, etc)
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Recommend to only use visible name if required do to macro ease of use.
Items (Retrieve values)
Items gather data from a host.
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- Zabbix Agents (active or passive)
- SNMP (v1, v2, v3)
- IPMI (limited)
- Simple Checks (icmp, port checks)
- Web Scenarios(cURL based [text])
- External Scripts (Server Side)
- Zabbix Trapper (zabbix_sender)
Triggers (Trigger by Item value)
Use logic to interpret item values
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Recommended to use a trigger description that describes the problem.
Trigger Events (Created by Trigger activity)
Trigger state change and duration
Are logged for future reference or audit
Can be acknowledged
Actions (Executed to do work after an Event occurs)
Work on the basis of conditions
Send out (repeated) notifications
Run scripts on hosts
Data Visualization
Things to Remember
Host name is the unique host name used by the agents and the server. (The configuration must match exactly.)
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