Exploring industry DevOps practices and technical expertise.
This article presents twelve practical Bash scripts that automate common DevOps tasks such as system updates, disk monitoring, backups, log rotation, SSH key setup, MySQL dumping, Docker cleanup, Kubernetes pod checks, SSL certificate monitoring, Git pulling, user management, and service health verification.
This article details how to build a comprehensive DevSecOps CI/CD pipeline using Jenkins that integrates source control, SonarCloud, Snyk, Docker, Trivy, Kubernetes, and ZAP to automate building, testing, scanning, and deploying multi‑language applications securely and efficiently.
This guide explains the standard Jenkins setup steps, describes the common plugin installation error that can occur during step three, and provides four practical solutions—including network checks, retrying, restarting Jenkins, and running Jenkins with Java-enabled mode using a command line example.
This article explains how to create a Jenkins Multibranch Pipeline, configure its branch sources, manage environment variables, support pull requests with plugins, and use organization folders to automatically discover and run pipelines across multiple branches.
In a rapidly changing IT landscape, DevOps engineers must continuously upgrade their technical expertise, cultivate essential soft skills such as communication and problem‑solving, and develop strong emotional resilience and health habits to thrive amid uncertainty and career challenges.
This article details a comprehensive DevSecOps pipeline that uses Jenkins for CI/CD, Dependency‑Track and DefectDojo for SBOM management, SonarQube and Trivy for static and container scanning, Docker for image builds, and ArgoCD with Kubernetes for automated deployments, illustrating each stage with full code examples.
This article explains how to use ChatGPT to generate Mermaid diagram code for flowcharts, sequence diagrams, Gantt charts, and entity‑relationship diagrams, and then import the code into the online drawing tool draw.io to create visual workflow charts, highlighting the benefits over manual drawing.
This guide presents a comprehensive collection of the most important and frequently used kubectl commands, explaining how to retrieve version information, manage clusters, list resources, manipulate contexts, create, update, patch, scale, expose, delete, and debug Kubernetes objects, as well as format output and control verbosity, enabling DevOps engineers to efficiently operate Kubernetes clusters.
This step‑by‑step tutorial explains how to configure a full CI/CD pipeline using Jenkins, Maven, Docker, SonarQube, Helm, and ArgoCD on an AWS EC2 instance with Kubernetes, covering version‑control setup, instance provisioning, credential management, pipeline scripting, and automated deployment.
This article introduces GitHub Actions as a CI/CD tool, explains how to synchronize Docker images to domestic registries, and provides step‑by‑step workflow examples and personal practice for automating image sync with YAML configuration and secret management.
