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Monitoring one IPCheck instance with another instance of IPCheck
The system status URL can be used to easily monitor an instance from a copy of IPCheck Server Monitor running on another system. See the sample content of such a status page below.
This way you can be notified of an IPCheck system fails. Simply create an Advanced HTTP sensor, enter the URL of your System Status page (e.g. http://ipcheckserver/status?pass=815686003E9D4BDB8D8520B34545627C) and put the word '_ERROR' (without the quotes) into the HTML may not include field.
As long as IPCheck runs fine the sensor will show an UP status, as soon as IPCheck discovered a problem internally.
You can even create several of these sensors monitoring the following strings:
- CPULOAD_ERROR
- WEBSERVER_ERROR
- HEARTBEAT_ERROR
- DISKSPACE_ERROR
- PROBE_ERROR
- ADMINDEP1_ERROR
- ADMINDEP2_ERROR
All these measurement points also have a warning state that you may also want to monitor for. You can put the word '_WARNING' (without the quotes) into the HTML may not include field and you will be notified whenever a warning shows up - or you can monitor the following specific strings:
- CPULOAD_WARNING
- WEBSERVER_WARNING
- HEARTBEAT_WARNING
- DISKSPACE_WARNING
- PROBE_WARNING
- ADMINDEP1_WARNING
- ADMINDEP2_WARNING
Finally you can also monitor the other way round by scanning for '_OK' in the HTML of the page - or you can monitor the following specific strings:
- CPULOAD_OK
- WEBSERVER_OK
- HEARTBEAT_OK
- DISKSPACE_OK
- PROBE_OK
- ADMINDEP1_OK
- ADMINDEP2_OK
Sample Status Page
| System Status | |||
| Name | Value | Status Code | Comment |
| Current CPU Load: | 3% | CPULOAD_OK | Warning: above 70% for 30 seconds or more. Error: above 70% for 300 seconds or more. |
| Number of Webserver Threads: | 0 | WEBSERVER_OK | Depends on webserver traffic. Should be below 100. Warning: More than 500. Error: More than 4000. |
| Last Monitoring Heartbeat: | 0 second(s) ago | HEARTBEAT_OK | Seconds since the monitoring process was last active. Should be below 2. Warning: More than 10. Error: More than 60. |
| Free Disk Space: | 28968 MB | DISKSPACE_OK | Free disk space of the drive holding the monitoring database. Warning: Below 100 MB. Error: Below 10 MB. |
| Status of Probe "Local_Probe": | UP | Local_Probe_PROBE_OK | |
| Status of Probe "www2.test.com": | DOWN | www2.test.com_PROBE_ERROR | |
| Status of Probe "www3.test.com": | UP | www3.test.com_PROBE_OK | |
| Status of Probe "www4.test.com": | DOWN | www4.test.com_PROBE_ERROR | |
| Admin Dependency 1: | UP | ADMINDEP1_OK | |
| Admin Dependency 2: | UP | ADMINDEP2_OK | |
| System Information | |||
| Number of Active Sensors: | 155 | ||
| Number of Active Users: | 4 | ||
| Number of Sensor Threads: | 5 | ||
| Monitoring Requests/h: | 6722 | ||
| Version Info: | 5.3.0.507 ISP Edition (100 Users) | ||
| Server Time: | 07.03.2006 15:02:18 (GMT+0100) | ||