How do you update result set by spliting it into evenly sized chunks using window function row_number()

Save your time by using command line tools kubectx and kubens in multi-cluster environment with more than one default namespace each.

App configuration is highly opinionated topic. It’s technology stack- and infrastructure-dependent. When it comes to configs there are a few parties with a possible conflict of interests. Software developers want an easy access to app’s configuration, versioning, readability, language support for the config format. Security guys want security …

How to add new services for Prometheus to scrape and what to do if no active targets found. Post covers Prometheus deployed in Kubernetes cluster using Helm stable/prometheus-operator chart.

A dashboard with 12 panels showing RPS, latency, errors for web app’s endpoints as well as host and app’s resource usage and some extra details.

An open-source plugin for Python Pelican blog platform. It extends blog posts with reading statistics: number of words and reading time in minutes.

Kubernetes introduces a bunch of abstractions. It’s easy to mess up with them in your manifest files. Yet Kubernetes provides great tools for troubleshooting. Here is how you can tackle problems with Ingress and Service resources.

You have created a Kubernetes workload, e.g. Deployment, that uses a PersistentVolume and a PersistentVolumeClaim. It’s provisioned by your cloud platform, say, DigitalOcean. You want to know what space is available to you, you want to browse files and directories on your Volume, and you want to copy …

Things to take care of when installing Helm’s stable/redis chart with master-slave topology enabled

Helm is a package manager for Kubernetes. It’s got an outstanding official documentation and tons of tutorials on the internet. Nonetheless Helm has some helpful commands and features that are easily overlooked when reading the documentation. I won’t even try to cover them all, as it’s quite …