
Migrating zabbix from mysql to timescaledb - introduction
Depending on the size of your zabbix environment, you might want to migrate from mysql to timescaledb. This guide will show how this can be done.

Writing efficient zabbix templates - consolidate values
Getting useful insights with your monitoring solution means you need to gather enough information that can be used to draw the right conclusions. This article will show how to retrieve vast amounts of data without overloading your monitoring system.

Reducing ceph filesystem overhead on virtual systems
Running ceph clusters with cephfs may allocate more disk space than you expect - especially on virtualized environments. This guide might provide a solution for that.

Maintenance mode on elasticsearch clusters
Running elasticsearch means that you'll need to perform maintnance on the nodes from time to time. This guide will describe steps that should be done when performing maintenance operations on an elasticsearch cluster.

Relocate pagefile using powershell
This short guide explains how to set pagefile configuration using powershell.

Using AzureCli with command completion on windows
If you're working with azure you're propably also working with AzureCli. This article shows how to get usable command completion on your client.

docker daemon not starting after upgrade
Having upgraded docker you may come into a situation where the docker daemon itself doesn't start anymore because of an issue with firewalld.

Docker - Hardening with firewalld
Containers are no virtual machines - yet we might want to treat hosts running container workloads like hypervisors and apply limitations on container networking. This guide describes a way to limit container networking on docker based container hosts using firewalld.