1. Optimising security

Even if monitoring is 'only' observation, the matter of IT security is still very important, especially when connecting and setting up remote systems. In the article on security you will find an overview of topics with which you can optimise the security of your system.

2. Monitoring very large environments

When your monitoring reaches a scale where you are monitoring thousands or even more hosts, questions of architecture and optimisation become more urgent. One of the most important issues is distributed monitoring. Here you work with several Checkmk sites that are interconnected to form a large system and which can be distributed globally as required.

Illustration of the relationship between several sites and their components in distributed monitoring.

3. Availability and SLAs

Checkmk can calculate very precisely how high the availability of hosts or services was within certain time frames, how many outages there were, how long such outages continued, and much more.

List of services with their availability percentages.

Based on the availability data, the SLA software module included in the CEE Checkmk Enterprise Editions enables a much more detailed evaluation for aid in complying with service level agreements — and such agreements can even be actively monitored.

A service and its service level agreement for the last 15 days.

4. Hardware and software inventory

The hardware/software inventory is actually no longer a part of monitoring, but Checkmk can use the already existing agents to generate extensive information on the hardware and software in your monitored systems. This is very helpful for maintenance, licence management or the automatic filling of configuration management databases.

Tree representation of the hardware/software inventory data of a host.

5. Monitoring messages and events

So far we have only dealt with monitoring the current states of hosts and services. A completely different matter is the evaluation of spontaneous messages that appear for instance in log files or which are sent via the syslog or SNMP traps. Checkmk filters relevant events from the incoming messages, and has a completely integrated system called the Event Console for this purpose.

List of events in the Event Console.

6. Visualisation using maps and diagrams

With the integrated NagVis add-on in Checkmk, you can display states on customised maps or diagrams. This is excellent for creating appealing general overviews, such as on a monitor in a control room.

A geographic map created with NagVis with host/service state icons.

7. Business Intelligence (BI)

With the Business Intelligence software module integrated in Checkmk, you can derive the overall status of business-critical applications from the many individual status data and display these clearly.

Tree representation in Business Intelligence with the overall state of an application derived from individual states.

8. Creating PDF reports

The information available in Checkmk — views, availability tables, graphs, logos, and much more — can be compiled into reports and exported as printable PDF documents. PDF reports can only be created in the CEE Checkmk Enterprise Editions.

9. Automated updating of the agents

If you monitor many Linux and Windows servers, you can use the Agent Updater included in the CEE Checkmk Enterprise Editions to have a centralised method for keeping your monitoring agents and their configurations up to date.

10. Developing your own plug-ins

Even though Checkmk offers nearly 2000 check plug-ins, it can still sometimes be that a specific plug-in is missing. For an introduction to developing your own plug-ins, see the article on writing check plug-ins.

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