Exploring industry DevOps practices and technical expertise.
This article introduces the Jenkins Deploy Dashboard plugin, explains how to visualize deployment status across environments, add new releases to the dashboard, create custom deployment views, and integrate deployment buttons into pipelines using both scripted and declarative Jenkins pipelines.
This article provides a thorough overview of DevOps fundamentals, differences from Agile, popular tools, lifecycle stages, CI/CD concepts, AWS roles, version control, SSH, Git commands, Jenkins architecture, Ansible, Puppet, Chef, Docker, Kubernetes, and related interview questions to help candidates prepare for DevOps engineering positions.
This article provides a concise overview of Jenkins, its architecture, key concepts, and best practices by presenting fifteen frequently asked interview questions along with detailed answers to help candidates prepare effectively for Jenkins-related job interviews.
This article explains how to create and customize Helm charts by setting replica count ceilings, reusing logic with sub‑templates, and generating properly indented ConfigMaps using toYaml and indent functions, providing practical examples and command‑line snippets for Kubernetes deployments.
This article explains what a Kubernetes ConfigMap is, when to use it, and provides step‑by‑step instructions with YAML examples for creating a ConfigMap, mounting it in an Nginx deployment, and making the server_name parameter dynamic using pod metadata.
Helm is a Kubernetes package manager that simplifies application deployment by using charts, templates, and versioned releases, offering features such as easy installation, upgrades, rollbacks, dependency management, and integration with CI/CD pipelines, making it a key tool for cloud‑native operations.
This article explains GitOps as an automated, Git‑centric approach to managing cloud‑native infrastructure using IaC, pull requests, and CI/CD pipelines, detailing how it works, its components, deployment strategies, and the operational advantages it brings to modern software delivery.
Robusta KRR is a local CLI tool that gathers pod metrics from Prometheus, recommends CPU and memory requests and limits, supports custom strategies, and can be installed via Homebrew or source, helping Kubernetes clusters cut up to 69% of cloud costs.
This article examines how managerial habits such as unnecessary meetings, early‑stage over‑staffing, and fragmented work schedules waste valuable human capital, and it argues that respecting employees' time is essential for efficient project and team management.
This guide explains what JAR files are, the typical formats they contain for Java applications, and provides step‑by‑step command‑line commands—including jar and unzip—to list, extract, and examine the contents of JAR archives without modifying the original files.
