DevOps Training in Hyderabad: How to Evaluate Programs (with Legacy scmGalaxy Links)
This revised guide turns a legacy promotional post into a practical framework for choosing a DevOps training program in Hyderabad or online. It includes verification checklists, delivery model comparisons, and hands-on lab examples to assess course quality.
Install Jenkins with Docker: Persistent Setup, Port Mapping, and Logs
Learn how to run Jenkins in Docker with correct port mapping, persistent storage, and operational commands. This updated guide keeps the original workflow but adds modern, production-minded practices.
Linux Commands and Shell Scripting Reference for Linux Admins and DevOps Engineers
A structured Linux command and shell scripting reference for operations and DevOps work, rebuilt from the original link collection. It includes a practical learning workflow, command comparison tables, ready-to-use examples, and curated source links.
How to Access a Running Docker Container Shell: docker exec vs docker attach
Need a shell inside a running container that is already in detached mode? This updated guide shows the correct workflow, compares docker exec and docker attach, and explains when SSH does and does not make sense.
Install Atlassian Jira with Docker: Quick Start, Persistent Volumes, and Deployment Checks
This guide shows how to run Jira in Docker using the original one-line command, then improve it with persistent storage and repeatable deployment steps. It also includes a workflow diagram, command examples, and practical validation checks.
Install Sonatype Nexus with Docker: RM2/RM3 Commands, Validation Steps, and Important Caveats
A structured, production-minded rewrite of the original 2016 Docker setup for Sonatype Nexus Repository Manager 2 and 3. Includes command examples, a workflow diagram, and clear warnings about outdated tags/endpoints.
jstack Utility Deep Dive: JVM Thread Dumps, Deadlocks, and Mixed Stacks
This guide explains how to use jstack to diagnose JVM hangs and deadlocks, including forced dumps, core-file analysis, and mixed Java/native stack traces. It also clarifies where jcmd fits in modern JDK 8+ troubleshooting guidance.
Linux pmap Command Guide: Inspect Process Memory Maps with Practical Examples
Learn how to use the Linux pmap command to inspect per-process memory mappings, compare output modes, and troubleshoot high memory usage quickly. This updated guide includes workflow steps, command examples, and interpretation tips.
iostat Command Guide for Linux: 20 Practical Examples for CPU and Disk I/O Troubleshooting
Learn how to use iostat to monitor CPU and storage performance on Linux systems. This revised guide covers installation, 20 practical commands, metric interpretation, and a troubleshooting workflow.
xargs in Linux: Practical Commands, Safe Patterns, and Pipeline Workflows
This guide explains how to use xargs effectively in Linux/Unix shells, from basic stdin handling to safe file operations and parallel execution. You’ll learn practical command patterns, portability caveats, and safer alternatives.
Linux mount and umount Commands: Practical Examples, /etc/fstab, and Safe Unmounting
Learn how to mount and unmount filesystems reliably on Linux, from one-off commands to persistent /etc/fstab entries. This guide covers common filesystem types, command comparisons, and safe troubleshooting steps.
Puppet Training Agenda: A Practical Roadmap from Basics to Real-World Automation
This revised guide converts the original Puppet course outline into a clear learning path for DevOps and platform teams. It covers architecture, run cycle, hands-on manifests, ecosystem tools, and common implementation pitfalls.
Chef Training Roadmap for DevOps Engineers: Course Tracks, Lab Workflow, and Practical Commands
This guide turns a promotional Chef training post into a practical roadmap for engineers. Compare course levels, understand the learning workflow, and use hands-on commands you can run in a lab.
DevOps Training Guide: Objectives, Syllabus, Fees, and Enrollment Details
This revised guide organizes the original DevOps training post into a clear reference for learners and teams. It covers course goals, audience, curriculum, delivery options, fees, schedule, and enrollment links.
Build and Release Engineer Training: Objectives, Curriculum, Tools, and Enrollment Details
A structured overview of the original Build and Release Engineer training post, including target audience, learning objectives, tool coverage, schedule, fees, and enrollment links. This revised version keeps the original details while organizing them into a practical reference format.
Online DevOps Training: Advantages, Tradeoffs, and a Practical Delivery Workflow
Online DevOps training can reduce scheduling and infrastructure friction, but outcomes depend on how labs, feedback, and assessments are designed. This revised guide compares online vs classroom delivery and provides a practical workflow teams can adopt.
DevOps Concepts and Process Training: Objectives, Workflow, Tools, and Prerequisites
A practical, engineer-focused guide to DevOps foundation training. Learn core objectives, delivery workflow, toolchain options, prerequisites, and starter CI/CD lab commands.
Build and Release Management in the SDLC: SCM Concepts, Workflow, and Practical Examples
This guide explains how build and release management fits into the software development lifecycle and how SCM keeps delivery reproducible. It covers core concepts, a practical workflow, and example Git and CI pipeline patterns.
IBM Rational Build Forge Training Guide: Curriculum, Workflow, and Hands-On Labs
This revised guide turns a brief course outline into a practical IBM Rational Build Forge training reference. It covers the core objects, execution workflow, admin topics, and realistic lab commands teams can use in corporate training.
Host Your Own NuGet Feed: Local Source vs NuGet.Server vs NuGetGallery
Learn how to host a private NuGet feed using three practical approaches: a local folder source, NuGet.Server, and NuGetGallery. This revised guide includes setup steps, command examples, and a workflow diagram to help you choose the right model.
Install and Configure Gerrit on CentOS and Ubuntu (MySQL + Apache Reverse Proxy)
A practical, step-by-step guide to installing Gerrit for code review on CentOS/RHEL and Ubuntu/Debian. Includes package command comparisons, setup workflow, Apache proxy configuration, and verification checks.
Publish NuGet Packages to NuGet.org: CLI Steps, Workflow, and CI Example
Learn how to publish a NuGet package to NuGet.org using either nuget.exe or the dotnet CLI. This revised guide includes a workflow diagram, command comparison, and a CI-friendly example.
How to Create NuGet Packages with nuget.exe (Assembly, .nuspec, and .csproj Methods)
Learn three practical ways to build NuGet packages using nuget.exe: from an existing assembly, from a convention-based folder layout, or directly from a Visual Studio project. This guide includes commands, folder conventions, token behavior, and common pitfalls.
Jenkins at Scale: Practical References and Admin Cheatsheet
This revised guide upgrades a short 2015 Jenkins link post into an operations-ready reference for teams running Jenkins at scale. It preserves the original links and adds a workflow diagram, comparison table, and practical API/CLI examples.
Gerrit Performance Tuning Cheat Sheet: Workflow, Bottlenecks, and Practical Commands
A practical Gerrit performance guide for DevOps and platform engineers. Learn a repeatable tuning workflow, where bottlenecks usually appear, and which commands to run first.
AWS CLI Credentials Setup: Configure, Verify, and Secure Access
Learn how to configure AWS credentials with the AWS CLI, verify your identity, and understand where credentials are stored. This updated guide also compares profiles, environment variables, and role-based access.
Provision an AWS EC2 Instance with Chef (Legacy ChefDK Workflow)
A practical, step-by-step walkthrough for provisioning an AWS EC2 VM using the classic ChefDK and chef-provisioning approach. Includes workflow, commands, recipe examples, and validation checks for legacy environments.
How to Install ChefDK on RHEL, Ubuntu, macOS, and Windows (Legacy-Friendly Guide)
Learn a practical, cross-platform process to install ChefDK and verify it correctly on RHEL/CentOS, Ubuntu, macOS, and Windows. This guide also helps you decide when ChefDK is still appropriate versus Chef Workstation.
Virtualization in DevOps: Using Vagrant, Docker, and Cloud Platforms Together
This guide explains how VM-based workflows, containers, and cloud platforms complement each other in DevOps. It includes a practical workflow, trade-off table, and command examples for day-to-day use.
How to Evaluate 5 Common IT Management Platforms: ServiceNow, BMC Remedy, Jira, Salesforce, and SharePoint
This guide turns a simple tool list into a practical evaluation framework for IT leaders and platform owners. Compare where each platform fits, follow a selection workflow, and use a pilot scoring template.