Open Source Scanning Software: Evaluate Legacy Tools and Build a Modern SCA Workflow
The original post listed several tool names but no implementation guidance. This revised guide explains what open source scanning means in DevSecOps, how to interpret those legacy names, and how to implement a practical CI scanning workflow.
Lyca Mobile USSD Shortcuts: Check Balance and Data Balance Quickly
Use these Lyca Mobile USSD shortcuts to check your prepaid balance and remaining data in seconds. This updated reference includes quick steps, a workflow diagram, and troubleshooting guidance.
Essential Mac Keyboard Shortcuts: Screenshot, Show Desktop, and Quick Power Actions
A clean, practical reference for three high-value Mac shortcuts from the original post. Learn what each one does, when to use it, and where users commonly get tripped up.
Authorized SQL Injection Testing: Blind, Error-Based, and Tautology Checks
A practical guide to testing web applications for SQL injection in authorized environments. Learn core test methods, a repeatable workflow, tool options, and remediation-focused best practices.
Jira on Linux: Installation and Configuration with Safer Service and Firewall Setup
Learn how to install Jira on Linux using Atlassian’s installer, manage it as a service, and expose port 8080 safely. This revision keeps the original references but updates the process for clearer, production-minded operations.
Single Sign-On Implementations: Practical Comparison and Evaluation Guide
This guide expands a short 2015 link list of SSO tools into a practical DevOps reference. You will learn how SSO flows work, how to compare implementations, and how to validate integrations with real commands.
How to Install Nagios XI from Tarball and Set Up Client Monitoring Paths
This revised guide walks through a practical Nagios XI server installation using the tarball/fullinstall method from the original post, then shows how to validate access and plan client monitoring. It also adds a clear workflow diagram, command examples, and a comparison of common client check methods.
SSH Passwordless Login with ssh-keygen and ssh-copy-id (Step-by-Step)
Learn how to configure SSH key-based authentication so you can log in without typing the remote account password each time. This updated guide covers setup, verification, ssh-agent usage, and safe hardening options.
Web Development Toolkit for DevOps Teams: Visualization, UI, Realtime, and Monitoring Tools
This revised toolkit organizes the original tool list into practical categories for modern engineering teams. It includes a comparison table, a tool-selection workflow, and setup commands for commonly used components.
DevOps Training FAQ (scmGalaxy): Delivery Modes, Labs, Fees, and Policies
This revised FAQ organizes the original scmGalaxy training answers into clear sections so you can quickly evaluate class format, lab setup, pricing, and policies. It also includes a pre-enrollment workflow and practical system-readiness checks.
Cloud Git Hosting Platforms: How to Compare SaaS and Self-Hosted Options
This revised guide expands a short 2015 tool list into a practical decision framework for DevOps teams. It covers the platforms named in the original post, when to choose cloud vs self-hosted Git, and the core commands every team uses.
Jenkins Email-ext: Add Full or Regex-Filtered Build Logs to Email Body
Learn how to include Jenkins build logs directly in notification emails using email-ext tokens. This revised guide covers full-log and regex-filtered approaches for freestyle jobs and Pipeline templates.
Foodcritic for Chef Cookbooks: Practical Linting and Jenkins CI for Legacy Pipelines
Foodcritic helps you statically lint Chef cookbooks for style, correctness, and common anti-patterns before convergence fails in production. This guide shows how to run it locally, wire it into Jenkins, and enforce fail policies that teams will actually use.
Jenkins Backup and Restore Runbook: ThinBackup, Filesystem Archives, and Recovery Steps
A practical Jenkins backup and restore guide for DevOps teams, covering what to back up, strategy trade-offs, and step-by-step command examples. Includes a workflow diagram and a recovery checklist you can operationalize.
Chef Command-Line Reference: Essential chef-solo, chef-client, and Knife Workflows
A task-oriented reference for frequently used Chef and Knife commands, from cookbook scaffolding to node bootstrap and run-list management. Includes workflow guidance and copy-ready command examples.
.NET Build and Release Training: Curriculum, Toolchain, Workflow, and Enrollment
A structured, engineer-friendly rewrite of the original .NET Build and Release course page. Review objectives, tool coverage, CI/CD workflow, prerequisites, fees, and key links in one place.
Jenkins Email-ext: Include Build Logs in Email Body (Full Log or Regex-Filtered)
Learn how to configure Jenkins Email Extension tokens to send either the full build log or targeted regex matches directly in the email body. This guide covers practical token examples, workflow, and pitfalls to avoid noisy or oversized alerts.
Fix Jenkins java.lang.OutOfMemoryError: PermGen Space (Controller, Agents, and Build Tools)
Jenkins PermGen errors are usually caused by JVM memory limits set in the wrong place. This guide shows where to configure memory flags for controllers, agents, and build tools, plus how to handle Java 8+ where PermGen was replaced.
Jenkins Troubleshooting Guide: Fast Triage, Log Analysis, and Common Failure Fixes
A practical Jenkins troubleshooting guide for DevOps teams: find the right logs first, separate controller vs. agent vs. job failures, and resolve common outage patterns quickly.
Chef Interview Q&A (Part 2): Resources, Run-Lists, Bootstrap, and Test Kitchen
A practical rewrite of classic Chef interview questions, focused on how Chef resources converge, how run-lists drive node configuration, and how to test cookbooks safely. Includes command examples, workflow diagrams, and comparison tables.
Chef Interview Questions, Explained: Resources, Run-Lists, Bootstrapping, and Test Kitchen
This updated guide converts classic Chef interview Q&A into a practical reference for real infrastructure work. It covers core concepts, execution order, bootstrap flow, key knife commands, and Test Kitchen testing patterns.
NAnt Training Guide for Build and Release Engineers: Syllabus, Labs, and Workflow
A revised NAnt training page focused on practical skills for SCM, build, and release engineers. It includes the original syllabus topics, delivery options, a CI workflow diagram, and hands-on NAnt examples.
Bootstrap a Windows Node with Chef over WinRM (Knife Windows Guide)
Learn how to bootstrap a Microsoft Windows node using Chef with the `knife bootstrap windows winrm` workflow. This revised guide adds prerequisites, command variants, validation steps, and operational pitfalls.
OpenStack vs CloudStack: A Practical Guide to Choosing an Open-Source IaaS Platform
This guide compares OpenStack and Apache CloudStack for teams building private IaaS clouds. It covers architecture differences, evaluation workflow, and practical operator commands.
OpenStack vs CloudStack: Practical Guide to Open-Source IaaS Cloud Platforms
OpenStack and CloudStack are two established open-source options for building infrastructure clouds. This guide compares their models, shows a typical provisioning workflow, and provides practical command examples.
Server Configuration Monitoring and Diagnostics: A Practical Drift-Detection Workflow
Learn how to monitor server configuration drift and run fast diagnostics when something changes unexpectedly. This guide gives a practical workflow, approach comparison, and command examples you can adapt to your environment.
DevOps Tools Collection: A Practical Guide to CI, SCM, Monitoring, and Platform Choices
This revised guide turns the original link collection into a structured DevOps resource map. Use it to navigate tool categories, compare adoption models, and bootstrap a practical toolchain.
Puppet vs Chef vs Ansible vs CFEngine vs Salt: A Practical Configuration Management Guide
Compare five long-standing configuration management tools across architecture, operating model, and day-to-day usage. This revised guide helps DevOps teams choose the best fit for their infrastructure automation workflow.
Automating Chef Cookbook README Files with Knife and Community Plugins
Reusable Chef cookbooks often outgrow their documentation. This guide shows how to bootstrap README files with Knife, compare plugin-based generation options, and keep docs in sync as cookbooks evolve.
Chef Cookbook Metadata Explained: metadata.rb vs metadata.json
Understand how Chef uses cookbook metadata, when metadata.json is generated, and why metadata.rb should be your source of truth. Includes workflow, command examples, and precedence rules when both files exist.