Finding quality system trays for Linux can be challenging due to limited documentation and scattered resources. However, there are several great system tray options available for Linux users. This blog post highlights some of the best and most useful system …
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Karpenter Monitoring with Prometheus and Grafana
4 min read
With the release of Karpenter v1 we have stable Prometheus metrics, but the Grafana dashboards are not that great and there are no open source alerts. Therefore, I decided to create a monitoring-mixin that provides a set of Prometheus rules …
Configuring Kube-prometheus-stack Dashboards and Alerts for K3s Compatibility
6 min read
The kube-prometheus-stack Helm chart, which deploys the kubernetes-mixin, is designed for standard Kubernetes setups, often pre-configured for specific cloud environments. However, these configurations are not directly compatible with k3s, a lightweight Kubernetes distribution. Since k3s lacks many of …
Effortless Markdown Styling with Tailwind, Pygments, and Key Plugins
5 min read
I’ve been running this blog for about five years, and during that time, it’s undergone several transformations. Initially, it was built with plain Markdown, HTML, and CSS. Over time, I experimented with various frameworks before finally settling on Tailwind CSS. …
Kubernetes Cost Tracking Simplified with OpenCost, Prometheus, and Grafana
4 min read
OpenCost is an open-source tool designed to help you monitor and understand the cost of your cloud infrastructure. As a project under the Cloud Native Computing Foundation (CNCF), OpenCost offers a transparent and powerful solution for cloud cost management. It …
Automating OS Go Binary Installation and Management with Ansible
3 min read
I use Ansible to manage my entire OS setup, with a playbook that installs all necessary software, sets up my dotfiles, and configures my system. This playbook can be run on a fresh installation of my OS and have my …
Comprehensive Kubernetes Autoscaling Monitoring with Prometheus and Grafana
7 min read
The kubernetes-mixin is a popular resource for providing excellent dashboards and alerts for monitoring Kubernetes clusters. However, it lacks comprehensive support for autoscaling components such as Pod Disruption Budgets (PDB), Horizontal and Vertical Pod Autoscalers (HPA, VPA), Karpenter, and the …
Mocking ASGI Scope in WSGI Requests when Testing Django Async Views
3 min read
Django channels are great for asynchronous views, but they can be a headache to test. This is due to the incompatibility with database transactions and all the side effects that the incompatibility produces. For example, the common pattern of rolling …
Configuring VPA to Use Historical Metrics for Recommendations and Expose Them in Kube-state-metrics
5 min read
The Vertical Pod Autoscaler (VPA) can manage both your pods' resource requests but also recommend what the limits and requests for a pod should be. Recently, the kube-state-metrics project removed built-in support for VPA recommendation metrics, which made the VPA …
Custom Python Logging For Scrapy
3 min read
Scrapy is a great web scraping framework, but it lacks a good logging setup. In this short blog post, I'll show you how to use Structlog with Scrapy.
