Rajesh Kumar

🔍 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…

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

Here’s a comprehensive, up-to-date tutorial on GitLab 18.0 entity structure as of May 2026, covering: This includes definitions, scopes, use cases, comparisons, and tutorial instructions for setup…

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…

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…

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…

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…

🔧 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…

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…

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,…

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…

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…

Here is a comprehensive tutorial for New Relic Log Search covering all the items you’ve listed, with real-world examples specifically tailored for Linux and Apache logs. The…

Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…

The Rundeck Project SCM Export and SCM Import features are designed to version control your job definitions and project configuration, by integrating Rundeck projects with a source…

Here’s a complete guide to running Ansible Playbooks using Rundeck, covering all supported methods, including what you’ve done, plus troubleshooting options and best practices. ✅ Goal Run…

🛡️ What is Fortify? Fortify is a Static Application Security Testing (SAST) tool developed by Micro Focus (now part of OpenText). It helps developers and security teams…

System Requirements for Rundeck Supported Operating Systems: Amazon EC2 Supported Database. Supported Log store Others Important Network access How to Install Rundeck OSS in Ubtunu? Step 1-…

Excellent question. When we say AWS ALB “downgrades HTTP/2 → HTTP/1.1”, it means that although the client connects to ALB over HTTP/2, ALB then connects to your…

That’s a great question. The reason it’s hard to visually spot the difference in a gRPC request is because it’s a binary protocol over HTTP/2, unlike human-readable…

Here’s a complete and standalone guide to gRPC, suitable for beginners and intermediate engineers who want to use gRPC in real-world applications, especially in a cloud-native or…

This guide covers the most common communication protocols used in modern cloud-native architectures, compares their capabilities, and discusses when to use each. It also analyzes support and…

Rundeck Student Assignments (Windows Local Node) 📝 Setup Prerequisites: 🎓 Assignment List Assignment 1: Hello World in PowerShell Objective: Run a basic PowerShell script as a Rundeck…

Rundeck Student Assignments (Local Node Only) — Assignment 1: Hello World Job Objective: Learn to create and execute your first Rundeck job. Assignment 2: Disk Usage Check…

✅ What is Rundeck? Rundeck is an open-source tool used for Runbook Automation, designed to help DevOps teams, SREs, and IT operations teams automate routine tasks, reduce…

Here’s a clear explanation of the Rundeck Basic Workflow, perfect for beginners or teams implementing Rundeck for the first time. 🔄 Rundeck Basic Workflow: Step-by-Step This describes…

Here’s a curated list of the 21 most popular and widely adopted DevSecOps tools in 2026, along with short descriptions and a summary comparison table at the…

Here is a very comprehensive, feature-by-feature comparison between Argo CD and Flux, including: 📊 Feature-by-Feature Comparison: Argo CD vs Flux Feature Argo CD Flux GitOps Core Functionality…