Zabbix – Null Byte

Monitoring Temperature, Humidity, Pressure and so on with Zabbix + Ruuvitag

By Antti Hurme 02/07/2023 No Comments 4 Min Read

I’ve been using Ruuvitags to measure different places around my house some time, and storing the data to my Zabbix installation. The GitHub repository below contains all the necessary files, as well as rudimentary install instructions. You need to have a device that can run Python 3.7.x, has a compatible Bluetooth device and has the required Zabbix binaries. In addition you need to follow the ruuvitag-sensor repository guide for the…

[Z3005] Zabbix PostgreSQL database upgrade failed

Zabbix

By Antti Hurme 07/03/2023 No Comments 1 Min Read

When upgrading your Zabbix Database, you might encounter the following error “[Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR: permission denied for schema public”. The zabbix user you’ve created doesn’t normally need access to the database schema to work, so this would only be relevant when upgrading the zabbix version, for example between 6.2.x to 6.4.0. To fix the error, you need to give the zabbix database user access to modify the public…

Ignoring Windows Services in Zabbix Windows Template Low-Level Service Discovery

Microsoft Zabbix

By Antti Hurme 27/12/2017 2 Comments 0 Min Read

The new Zabbix Windows templates include a Low-Level Discovery for Windows Services. The service.discovery LLD creates items based on discovered Windows Services and accompanies triggers to services with Automatic startup. To ignore a set of services, from all Windows clients, you need to modify the discovery regex. To modify the default regex, open Administration > General > Regular Expressions. Modify the Windows Service names for discovery reged that has a…

Zabbix Windows Security event id 5156

Microsoft Zabbix

By Antti Hurme 31/10/2016 No Comments 0 Min Read

Noticed in one case the Zabbix agent was spamming the Windows Security eventlog with events “filtering platform connection” of status success and event id 5156. This was especially true when disk space was low and the agent seemed to query the disk space a lot more frequently. This caused the log file to fill up even faster which helped the disk space to fill up. To get around this, I…