Exploring industry DevOps practices and technical expertise.
This article explains why Java processes in Kubernetes pods often encounter OOMKilled despite correct JVM heap settings, analyzes the discrepancy between JVM‑reported memory and container metrics, and provides practical steps such as adjusting MaxRAMPercentage and pod memory limits to stabilize memory usage.
Grafana Labs engineer Bryan Boreham explained at KubeCon how a series of code changes, label optimizations, and Go runtime tuning reduced Prometheus memory consumption by roughly 50%, detailing the technical challenges, solutions, and measurable impact on modern monitoring deployments.
This article demonstrates how to set up a full database CI/CD pipeline on Azure DevOps using Bytebase, covering Docker deployment, ngrok configuration, GitOps integration, SQL review automation, approval processes, schema write‑back, and migration detection, with step‑by‑step instructions and code examples.
The article explains the recent SaaS policy change that limits free GitLab usage to 90 days, outlines the steps to export personal access tokens and import projects from JihuLab.com to GitLab.com, and confirms that the migrated repositories retain full history and issue data.
The article shares five practical DevOps insights—people‑centric culture, the importance of IAC and GitOps, mastering YAML/JSON, adopting the 12‑factor app methodology, and continuous learning—to help engineers improve cloud infrastructure, automation, and organizational effectiveness.
This article explains how to install and run the lightweight, certified Kubernetes distribution K3s on a workstation, using k3d as a wrapper, and demonstrates deploying operators, Prometheus, and Grafana with full command‑line examples and configuration files.
This article walks through building a comprehensive DevSecOps CI/CD pipeline in Jenkins that integrates source control, static analysis, vulnerability scanning, multi‑language builds, Docker image creation, Trivy security checks, Kubernetes deployment, and ZAP DAST testing to securely deliver applications across various runtimes.
This article introduces the Kubernetes Operator pattern, explains its purpose for automating complex tasks, and provides a step‑by‑step tutorial on creating, configuring, and deploying a custom Operator using the Operator Framework, KubeBuilder, and Go, including code examples and deployment instructions.
This article provides a detailed overview of the most widely used DevOps tools across categories such as version control, CI/CD, container orchestration, configuration management, infrastructure as code, monitoring, collaboration, artifact repositories, testing, security, deployment automation, serverless, and database management, helping practitioners choose the right solutions for their pipelines.
The article explains how Kargo, an open‑source, GitOps‑based platform built on Argo CD experience, addresses the complexities of multi‑stage CI/CD pipelines in Kubernetes by providing declarative stage definitions, promotion workflows, and advanced delivery features such as canary releases and A/B testing.
