How to Set Up a Monitoring Inversion365

Monitoring inversion is a technique used in computer networks to monitor the performance of a network device or service by observing the absence of activity instead of the presence of activity. This can be useful in situations where the absence of activity is an indication of a problem, such as a network outage or a failed service.

To set up a monitoring inversion, you will need to create a monitoring rule that checks for the absence of activity. This rule can be created using a variety of monitoring tools, such as Nagios, Zabbix, or Icinga.

Once you have created the monitoring rule, you will need to configure the monitoring system to send an alert if the rule is triggered. This alert can be sent via email, SMS, or another notification method.

Here are the steps on how to set up a monitoring inversion using Nagios:1. Log in to the Nagios web interface.
2. Click on the "Configuration" tab.
3. Click on "Add" to create a new monitoring rule.
4. Enter a name for the rule and select the "Passive Check" option.
5. In the "Command" field, enter the following command:
```
check_http -H -f 1
```
6. In the "Interval" field, enter the frequency with which the rule should be checked.
7. In the "Contacts" field, enter the email addresses or phone numbers of the people who should be notified if the rule is triggered.
8. Click on the "Save" button to create the rule.
Once you have created the monitoring rule, you will need to restart the Nagios service for the changes to take effect.
Note: The command specified in step 5 will check the HTTP status code of the website . If the website is down or unavailable, the command will return a non-zero exit code, which will trigger the monitoring rule.
## Conclusion
Monitoring inversion is a useful technique that can be used to monitor the performance of a network device or service. By observing the absence of activity, you can quickly identify problems and take corrective action.

2024-12-26

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