Author: Rajesh Kumar

Here’s a comprehensive GitLab reference guide on how to link, reference, and organize various entities (like issues, jobs, users, environments, etc.) across GitLab descriptions, wikis, commit messages, MRs, and more….

If you’re using GitLab SaaS (GitLab Cloud), you have multiple runner options to execute your CI/CD jobs. Each runner source gives you different levels of control, performance, and cost efficiency….

GitLab 18.x Ultimate provides native support for all four DORA metrics via its REST API, giving engineering teams deep insights into the performance and reliability of their software delivery processes….

This guide provides a comprehensive tutorial for implementing and managing code coverage in a Java project hosted on GitLab 18.x Cloud. It includes: ✅ Prerequisites 🧱 Step 1: Setup Java…

in GitLab 18.x Cloud, you can absolutely integrate with ServiceNow to support: However, this requires the use of GitLab’s ServiceNow DevOps Integration App, available via the Atlassian Marketplace and ServiceNow…

GitLab 18.x Cloud has official integrations and updated guides for all three Atlassian use cases: Jira, Confluence, and Bitbucket migration. Here’s the revised, accurate, GitLab 18.x–compliant guide: ✅ 1. GitLab…

here’s the fully updated and GitLab 18.x Cloud–compliant answer to your original question: ✅ Enforcing Pipeline Standards with Limited Flexibility in GitLab 18.x Cloud (2025) GitLab 18.x provides modern, centralized…

The CODEOWNERS file in GitLab is a special file that lets you define who is responsible (owner) for specific files, directories, or patterns in your repository. It’s a powerful feature…

Security GitLab does not provide true file-level access control (like “only Alice can read secrets.yml”) — but it does provide tools to restrict access and prevent exposure of sensitive files…

This is relatively new Test Cases feature in GitLab 18.x (cloud) that brings native manual test case management into the GitLab ecosystem — part of their push towards end-to-end DevOps….

Lab 1 – Gitlab Pipeline – stages – What is stages in GitLab CI/CD? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….

Below is a comprehensive table listing the key stanzas (keywords) used in GitLab CI/CD pipeline configuration files (.gitlab-ci.yml). These keywords are categorized based on their scope and functionality. This information…

Here is a comprehensive tutorial for understanding and configuring Protected Branches in GitLab 18.0, based on the image you’ve provided and the latest official documentation. 🔐 GitLab Protected Branches –…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

In GitLab 18.0, the “Locked Files” feature under the Code section is specifically designed to help teams working with binary files or non-mergeable assets (e.g., images, CAD drawings, videos, large…

Here’s a detailed step-by-step tutorial for each option in the GitLab Plan Section (GitLab Cloud, v18.0) — tailored for project planning, agile workflows, documentation, and requirements management. Recommended Planning Flow…

Understanding the hierarchy, precedence, sequencing, and parallelism in GitLab CI/CD pipelines is crucial to mastering how your jobs run, how to optimize them, and how GitLab decides what to execute…

🔍 Example You Gave: 🔹 Explanation: Variable Purpose CI_REGISTRY_IMAGE Built-in CI variable — the full image path for your project’s Container Registry (e.g., registry.gitlab.com/mygroup/myproject) CI_COMMIT_REF_SLUG Built-in CI variable — a…

Basic stages, jobs, scripts ✅ Artifacts + coverage ✅ Parallel jobs ✅ Docker builds + Registry push ✅ Manual and scheduled deployments ✅ Feature-specific deployment environments ✅ Security: SAST, Secret…

Here’s a comprehensive, up-to-date tutorial on GitLab 18.0 entity structure as of May 2025, covering: This includes definitions, scopes, use cases, comparisons, and tutorial instructions for setup across both GitLab…

Management of educational assets is one of the major steps to having an organized learning environment. These assets could be schools and educational institutions, which usually have a great deal of resources,…

Step 1 – Setup PostgreSQL server Step 2 – Login to PostgreSQL server & create user/db & grant perm Step 3 – Download PostgreSQL driver cd /var/lib/rundeck/libextsudo wget https://jdbc.postgresql.org/download/postgresql-42.7.3.jarsudo chown…

Here’s a step-by-step guide to correctly create alerts via New Relic API, with proper handling of: This will help you avoid common errors like using the wrong entity type or…

Here’s a step-by-step guide to add and use a Windows node in Rundeck installed on a Linux server, using WinRM (Windows Remote Management), which is the most common way to…

🔧 Rundeck Configuration Options 1. General Settings Property Description Example loglevel.default Sets the default log level for jobs. Options: ERROR, WARN, INFO, VERBOSE, DEBUG. INFO rdeck.base Specifies the base directory…

Here’s a detailed tutorial for Authentication and Authorization in Rundeck Community Edition. This guide includes setup for both file-based authentication and role-based access control (RBAC) using ACL policy files. 🔐…

Here’s a comprehensive tutorial on all valid Terraform module “source” Git URL patterns, with clear examples (no Drivemode references), so you can master using modules from GitHub, GitLab, Bitbucket, and…

The fusion of artificial intelligence and physics is unlocking a new era of scientific exploration. What once required decades of experimentation and theoretical contemplation can now be accelerated through machine…

Here is a step-by-step tutorial on how to work with the New Relic API, including how to create an alert condition using the API. 🚀 New Relic API Guide –…