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Another file system for Linux: bcachefs (3) – Mirroring/Replicas

This is the third post in this little series about bcachefs. The first post was all about the basics while the second post introduced bcachefs over multiple devices.

Apache Kafka and ksqlDB

After two introduction blogs on Apache Kafka (ie. Apache Kafka Concepts by Example and Apache Kafka Consumer Group), it is time to discover the wide ecosystem around it. In this blog post,(…)

Investigative look into cloud-native hyper-converged infrastructure with Harvester

In this first blog, we will have a look on what is Harvester, cloud native hyper-converged infrastructure, it's concepts and the installation.

Another file system for Linux: bcachefs (2) – multi device file systems

In the last post, we’ve looked at the very basics when it comes to bcachefs, a new file system which was added to the Linux kernel starting from version 6.7. While we’ve already seen how easy(…)

Another file system for Linux: bcachefs (1) – basics

When Linux 6.7 (already end of life) was released some time ago another file system made it into the kernel: bcachefs. This is another copy on write file(…)

Build SQL Server audit reports with Powershell

Introduction When you are tasked with conducting an audit at a client’s site or on the environment you manage, you might find it necessary to automate the audit process in order to save time. However, it can be challenging to(…)

Rancher RKE2: Rancher roles for cluster autoscaler

The cluster autoscaler brings horizontal scaling into your cluster by deploying it into the cluster to autoscale. This is described in the following blog article https://www.dbi-services.com/blog/rancher-autoscaler-enable-rke2-node-autoscaling/. It didn’t emphasize much about the user and role configuration. With Rancher, the(…)

SQL-Server: What are VLF’s and why should I care about them?

Introduction: What are VLF’s? In SQL-Server, the transaction log is divided into several logical units called virtual log files (VLF). The amount of virtual log files and their size are managed automatically by the database engine. The database engine adds(…)

Elasticsearch, Ingest Pipeline and Machine Learning

Elasticsearch has few interesting features around Machine Learning. While I was looking for data to import into Elasticsearch, I found interesting data sets from Airbnb especially reviews. I noticed that it does not contain any rate,(…)

Renew expired certificate for your SAML SSO application in Azure

Using Single Sign-on to manage accesses to cloud applications is really convenient. However SAML is using a certificate between the Identity Provider (IdP) and the Service Provider (SP) application and this certificate may expire. Once this certificate is expired, it’s(…)