Archives

Python 3.14 simplifies exception handling with PEP 758, letting you drop parentheses when catching multiple exceptions, cleaner, consistent, and backward-safe.

Explore how CPython evolved from adaptive bytecode in 3.11 to JIT execution in 3.14, boosting performance without rewriting the interpreter.

Python 3.14 adds a native Zstandard module under compression.zstd, unifying high-performance zstd support and existing stdlib compressors under one namespace.

Kubernetes v1.33 lets you configure container stop signals via PodSpec, no more rebuilding images just to change shutdown behavior.

Kubernetes v1.33 finally enforces image pull secrets even for cached images, closing a 10-year-old loophole in multi-tenant cluster security.

A new /statusz endpoint is coming to Kubernetes. Find out how it boosts debugging and observability without touching your metrics stack.

A critical kubelet bug exposes a DoS risk via the unauthenticated /checkpoint API. Learn how to detect, mitigate, and patch CVE-2025-0426.

Tested Python 3.13's optional GIL. Shared results showing real multithreading gains, install steps, and when it outperforms multiprocessing.

Learn how to simplify your Python loops using `zip()` for parallel iteration and `enumerate()` for index tracking. Includes practical, real-world examples.

Python 3.14 adds t"" template strings for structured interpolation, enabling safe rendering, inspection, and transformation before output.

Tested OpenAI Codex on a 6M-line codebase, surprisingly accurate, context-aware, and practical. Not an endorsement, just honest first impressions.

Why is naming so hard in programming? Because names reflect understanding. This post explores the deeper truth behind a classic quote, and why it still matters.

Explore Python 3.10’s match statement for cleaner, more readable conditional logic using pattern matching. A modern alternative to verbose if-elif chains.

10 real-world edge cases in Semantic Versioning that cause confusion, break builds, or violate the spec, essential for anyone managing software releases.

CalVer is a date-based versioning system that aligns software releases with real-world time, improving clarity, predictability, and support tracking.

Learn when to choose SemVer or CalVer based on project type, release cycle, and user needs. Clear pros, cons, and real-world guidance included.

Discover how Kubernetes v1.33 introduces a new /flagz endpoint in Kubelet for runtime introspection of component flags, debug like never before.

Learn how to use Python's := walrus operator to simplify conditions, avoid redundant calls, and write cleaner, more efficient code in Python 3.8+.

Kubernetes 1.33 speeds up recovery with a 1s initial delay and 60s max backoff for restarts, opt-in via feature gate for faster handling of failing containers.

Pods that grow with your workload? Discover how Kubernetes v1.33 lets you scale CPU and memory without a restart, and when it still might not be enough.

Catch bugs early by running integration tests with real services using Testcontainers, improving reliability, speed, and confidence in your code.

Did you know you can recover deleted Kubernetes resources from etcd snapshots without downtime or cluster rollback? Most don’t, it’s surprisingly simple.

Redis 8 is now open source under AGPLv3, but many have already moved to Valkey. Is it a comeback or too little, too late?

Helm upgrade failed after moving to Kubernetes v1.25? Here’s how I fixed it by cleaning up legacy PDB API references using helm-mapkubeapis.

Schedule pod downscaling in Kubernetes with kube-downscaler to cut costs during off-hours—my experience, setup, and where it fits best.

A 2025-ready Kubernetes production checklist you can’t afford to miss, real-world tools, CNCF-backed standards, and proven strategies now featured by CNCF.

Overwhelmed by Kubernetes? Don’t get left behind. Use these tips to simplify scaling, improve security, enhance monitoring, and streamline daily operations.

Kubernetes v1.33 adds per-HPA configurable tolerance, allowing fine-tuned scaling sensitivity for both scale-up and scale-down decisions.

JobSet is a Kubernetes-native API for managing distributed ML and HPC jobs with support for multi-role pods, topology-aware placement, and scaling.

Kubernetes v1.33 introduces powerful upgrades to Dynamic Resource Allocation (DRA), streamlining device scheduling for GPUs, FPGAs, and network hardware.

Kubernetes v1.33 promotes Image Volumes to beta, letting OCI artifacts mount directly into pods as read-only volumes, boosting portability and efficiency.

Learn to deploy WordPress on Kubernetes with Rancher and Helm, no CLI needed. Customize and monitor effortlessly. Watch the full guide now!

Learn how to install Longhorn on Kubernetes with Rancher effortlessly, without CLI. Enjoy persistent storage with ease.

Struggling with outdated Kubernetes diagrams? Discover KubeDiagrams – a tool to auto-generate architecture diagrams from live clusters or YAML manifests.

CVE-2025-1974 (IngressNightmare) is a critical RCE flaw in ingress-nginx affecting 40%+ of clusters. Learn how to detect and patch it.

Episode 5 of 'Zero to Hero: Rancher' shows how to manage Kubernetes workloads easily with Rancher UI. Simple scaling & troubleshooting tools await!

Discover how Kubernetes namespaces partition cluster resources for improved organization and security.

Learn how to diagnose and resolve stuck Kubernetes namespaces caused by lingering finalizers and orphaned resources.

Learn to import your Kubernetes cluster into Rancher for seamless management with this detailed, step-by-step guide.

Learn to deploy a Kubernetes cluster with Rancher on Digital Ocean in minutes. Simple steps, no fluff. Elevate your DevOps game today!

Discover RKE2, the secure, efficient Kubernetes distribution. Learn to install & configure it for a production-ready environment.

Discover how Rancher makes Kubernetes management easy with enhanced security and seamless integration across environments. Perfect for DevOps teams!