KEDA 2.21 vs 2.20: CVE Fix & Breaking Scaler Changes
KEDA 2.21 patches a TriggerAuthentication CVE and removes deprecated Temporal and Azure Pipelines scaler settings. The safe upgrade path from 2.20, which just went EOL.
Helm 4.3 vs Helm 3.22: Migrating Before Helm 3 EOL
Helm 4.3 shipped Sept 2026 and Helm 3.22 is the last v3 minor. Compare flags, server-side apply, post-renderer plugins and plan migration before Feb 2027.
CODESYS 4 vs CODESYS 3: What the 1.0 Web IDE Changes
CODESYS 4 1.0 ships a browser-based, Git-friendly PLC IDE on the same compiler and runtime. What changes vs CODESYS 3, what is missing, who should switch.
Terraform 1.16 vs OpenTofu 1.13: Where the IaC Forks Now Diverge
Terraform 1.16 adds store blocks, import-in-modules and destroy=false; OpenTofu 1.13 RC adds linting and drops WinRM. Feature-by-feature upgrade guide.
Postgres 19 REPACK vs pg_repack vs VACUUM FULL: Online Table Maintenance Compared
Postgres 19 brings REPACK into core. How it compares to pg_repack and VACUUM FULL on locking, disk headroom, and failure recovery - plus what got cut from 19.
Podman vs Docker (2026): Rootless, Daemonless & Compose Tested
Podman vs Docker in 2026: rootless and daemonless architecture, pods, systemd/Quadlet, compose compatibility, security and CI. A practical decision guide.
Kubernetes Secrets Management with External Secrets Operator (2026)
Kubernetes secrets management done right: External Secrets Operator vs the Secrets Store CSI Driver, Vault and cloud secret managers, rotation, sync patterns and failure modes.
Kafka KRaft in Production: Migrating Off ZooKeeper — A Hands-On Guide (2026)
A hands-on Kafka KRaft tutorial: the metadata quorum, migrating a ZooKeeper cluster to KRaft, controller sizing, rollback, and operating KRaft in production in 2026.
Grafana Alloy: An OpenTelemetry Collector Tutorial
A 2026 Grafana Alloy tutorial: build an OpenTelemetry collector pipeline for metrics, logs, and traces, with working config, components, and deployment tips.
OpenBao Secrets Management: A Production Tutorial (2026)
A 2026 production tutorial for OpenBao secrets management: sealing, auth methods, dynamic secrets, Kubernetes injection, and high-availability deployment.