Rajesh Kumar

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 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…

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…

Here are some 100% free, full-page, mobile-friendly WordPress themes ideal for technical blogging — clean code, responsive design, fast performance, and great typography for long-form content. ✅…

Increasing the upload file size limit in WordPress allows you to upload larger images (or other media) without errors. Many hosting providers set a default upload limit…

Here’s a comprehensive list of top real-time collaborative, web-based text editors, including both open-source/self-hostable and cloud/SaaS platforms. Each tool includes its key features, and a feature-by-feature comparison…

GitHub Organization Policies are rules and settings enforced at the organization level to control how repositories, members, and integrations behave. These policies help you: 📘 Section 1:…