Performance issue with hyper-threading Members Public

On some of our setups we had an issue with VM to VM latencies (no the same host) ranging between 1000-2000ms. This article will describe the issue and how we solved it.

Daniel Nachtrub
Daniel Nachtrub
Windows

Migrating zabbix from mysql to timescaledb - introduction Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Monitoring

Writing efficient zabbix templates - consolidate values Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Monitoring

Reducing ceph filesystem overhead on virtual systems Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Linux

Maintenance mode on elasticsearch clusters Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Powershell

Relocate pagefile using powershell Members Public

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

Daniel Nachtrub
Daniel Nachtrub
Windows

Using AzureCli with command completion on windows Members Public

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.

Daniel Nachtrub
Daniel Nachtrub
Azure

docker daemon not starting after upgrade Members Public

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

Daniel Nachtrub
Daniel Nachtrub
Container