Intermediate on Tom Meurs https://tommeurs.nl/tags/intermediate/ Recent content in Intermediate on Tom Meurs Tom Meurs https://tommeurs.nl/images/papermod-cover.png https://tommeurs.nl/images/papermod-cover.png Hugo en Tom Meurs Sat, 04 Apr 2026 19:47:00 +0100 Distributed Tracing with Tempo and OpenTelemetry https://tommeurs.nl/posts/tempo-distributed-tracing/ Sat, 04 Apr 2026 19:47:00 +0100 https://tommeurs.nl/posts/tempo-distributed-tracing/ Implement distributed tracing in Kubernetes with Grafana Tempo and OpenTelemetry. Follow requests across services and debug latency issues. Loki for Kubernetes Logging: The Prometheus-Like Approach https://tommeurs.nl/posts/loki-kubernetes-logging/ Tue, 31 Mar 2026 21:15:00 +0100 https://tommeurs.nl/posts/loki-kubernetes-logging/ Deploy Grafana Loki for Kubernetes log aggregation. Learn the label-based approach, LogQL queries, and why Loki is cheaper than Elasticsearch. NixOS as a Hypervisor: KVM and QEMU Can Do Everything https://tommeurs.nl/posts/nixos-hypervisor-kvm-qemu/ Thu, 19 Mar 2026 21:52:00 +0100 https://tommeurs.nl/posts/nixos-hypervisor-kvm-qemu/ How to use NixOS as a full-featured hypervisor with KVM and QEMU. Live migration, memory ballooning, GPU passthrough - no VMware required. Arch vs NixOS as a Workstation: Professional and Personal Use https://tommeurs.nl/posts/arch-vs-nixos-workstation/ Tue, 03 Mar 2026 21:28:00 +0100 https://tommeurs.nl/posts/arch-vs-nixos-workstation/ Comparing Arch Linux and NixOS as workstation operating systems for professional DevOps work and personal use. Real experiences, not theoretical. CTF and Forensics Skills That Make You a Better DevOps Engineer https://tommeurs.nl/posts/ctf-skills-for-devops/ Fri, 27 Feb 2026 19:52:00 +0100 https://tommeurs.nl/posts/ctf-skills-for-devops/ How Hack The Box, CTF challenges, and forensics skills translate directly to daily DevOps, platform engineering, and Linux admin work. With practical command examples. When not to use Kubernetes https://tommeurs.nl/posts/when-not-to-use-kubernetes/ Sat, 17 Jan 2026 10:00:00 +0100 https://tommeurs.nl/posts/when-not-to-use-kubernetes/ Kubernetes isn't always the right choice. Learn when you're better off with alternatives like Docker Compose, Nomad, or plain VMs. YubiKey + Pass + GPG + SSH: One Key to Rule Them All https://tommeurs.nl/posts/yubikey-pass-gpg-ssh/ Tue, 13 Jan 2026 17:00:00 +0100 https://tommeurs.nl/posts/yubikey-pass-gpg-ssh/ How to use YubiKey with pass (password-store), GPG and SSH for seamless authentication. Setup guide and workflow for maximum convenience with hardware security. Unbreakable - my fascination. https://tommeurs.nl/posts/unbreakable/ Tue, 23 Dec 2025 20:00:00 +0100 https://tommeurs.nl/posts/unbreakable/ Why I'm obsessed with systems that keep working, even when they're broken. Prometheus and Thanos: Metrics at Scale https://tommeurs.nl/posts/prometheus-thanos-metrics/ Sun, 31 Aug 2025 10:00:00 +0200 https://tommeurs.nl/posts/prometheus-thanos-metrics/ Scale Prometheus with Thanos for long-term storage, global queries, and high availability. Practical guide for production deployments. Kubernetes RBAC: Least Privilege in Practice https://tommeurs.nl/posts/kubernetes-rbac-least-privilege/ Tue, 19 Aug 2025 10:00:00 +0200 https://tommeurs.nl/posts/kubernetes-rbac-least-privilege/ Implement least privilege access control in Kubernetes with RBAC. Limit blast radius through proper role design and binding strategies. Vault for Beginners: Secrets Management in Kubernetes https://tommeurs.nl/posts/vault-beginners-kubernetes/ Wed, 02 Jul 2025 10:00:00 +0200 https://tommeurs.nl/posts/vault-beginners-kubernetes/ Learn how to set up HashiCorp Vault for Kubernetes secrets management. Self-hosted secrets without cloud dependency. Container Image Scanning with Trivy in Your CI Pipeline https://tommeurs.nl/posts/trivy-container-scanning/ Sun, 08 Jun 2025 10:00:00 +0200 https://tommeurs.nl/posts/trivy-container-scanning/ Learn how to integrate Trivy container scanning into GitLab CI. Find vulnerabilities before they reach production. Automating Semantic Versioning with GitLab CI https://tommeurs.nl/posts/semantic-versioning-gitlab/ Tue, 27 May 2025 19:44:00 +0200 https://tommeurs.nl/posts/semantic-versioning-gitlab/ Automate semantic versioning in GitLab CI using conventional commits. Generate changelogs and release tags automatically. GitLab CI for Kubernetes: From Commit to Deployment https://tommeurs.nl/posts/gitlab-ci-kubernetes/ Thu, 15 May 2025 20:33:00 +0200 https://tommeurs.nl/posts/gitlab-ci-kubernetes/ Complete guide to GitLab CI/CD for Kubernetes deployments. Build containers, scan for vulnerabilities, and deploy to clusters with GitOps. ArgoCD vs Flux: When to Choose What https://tommeurs.nl/posts/argocd-vs-flux/ Fri, 28 Mar 2025 21:33:00 +0200 https://tommeurs.nl/posts/argocd-vs-flux/ ArgoCD vs Flux comparison for GitOps. Learn the key differences, strengths, and when to choose each tool for your Kubernetes GitOps workflow. ArgoCD for Beginners: Your First GitOps Deployment https://tommeurs.nl/posts/argocd-beginners/ Sun, 16 Mar 2025 19:15:00 +0100 https://tommeurs.nl/posts/argocd-beginners/ Get started with ArgoCD and GitOps. Learn how to deploy your first application using Git as the source of truth for Kubernetes. Kubernetes Network Policies: A Visual Guide to Pod Security https://tommeurs.nl/posts/kubernetes-network-policies-visual/ Sat, 08 Feb 2025 19:34:00 +0100 https://tommeurs.nl/posts/kubernetes-network-policies-visual/ Learn Kubernetes Network Policies through visual examples. Understand ingress, egress, selectors, and how to isolate your pods effectively.