My professional journey has taken me through multiple roles as a Software Developer, DevOps Engineer, Site Reliability Engineer and Team Lead primarily serving banks and financial institutions.
Expect to find in-depth explorations of complex technical subjects alongside analyses of financial market dynamics and trends.
Want to know more about me? Browse the about me section or connect with me on LinkedIn.
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Introduction In Kubernetes clusters, pods rely on DNS resolution to communicate with other services and external resources. By default, pods use a DNS system within the cluster that operates with private addresses and the domain cluster.local. The DNS server responsible for this resolution is CoreDNS. Many applications are configured by default for standard Kubernetes setups, which can cause DNS resolution issues when deployed in OpenShift environments. Understanding how CoreDNS works and how to properly configure applications for OpenShift is crucial for ensuring reliable service discovery and communication. ...
Python virtual environments behind the scenes If you’ve been working with Python for a while, you’ve probably heard about virtual environments. Maybe you’ve even used them without fully understanding what’s happening behind the scenes. In this comprehensive guide, we’ll explore everything you need to know about Python virtual environments—from the basic concepts to the underlying mechanisms that make them work. What is a Python Virtual Environment? A Python virtual environment is an isolated Python installation that allows you to install packages and dependencies for a specific project without affecting your system’s global Python installation or other projects. Think of it as a separate, self-contained workspace for each of your Python projects. ...
Exploring Kargo.io as a GitOps deployment platform - from its impressive ArgoCD integration to the challenges that keep it from being enterprise-ready. A practical guide for platform engineers considering their next deployment tool.
Learn about CIDR notation, IP addressing, and subnetting in modern computer networking. This comprehensive guide covers the basics, benefits, and practical examples of Classless Inter-Domain Routing.
Why I’m publishing my personal notes After more than 10 years in tech, I’ve learned a considerable amount of what I know from publicly available resources — books, notes, documentation, and community projects. This platform is my way of giving back. When I encounter interesting problems or solutions in my daily work, I’ll write about them here. I believe the best way to learn is to teach, so I’ll explain the problems, solutions, and their benefits. ...