DevOps for the Desperate is a hands-on, no-nonsense guide for those who land in a DevOps environment and need to get up and running quickly. ;;This book introduces fundamental concepts software developers need to know to flourish in a modern DevOps environment including infrastructure as code, configuration management, security, containerization and orchestration, monitoring and alerting, and troubleshooting. Readers will follow along with hands-on examples to learn how to tackle common DevOps tasks.; ;The book begins with an exploration of DevOps concepts using Vagrant and Ansible to build systems with repeatable and predictable states, including configuring a host with user-based security. Next up is a crash course on containerization, orchestration, and delivery using Docker, Kubernetes, and a CI/CDpipeline. The book concludes with a primer in monitoring and alerting with tips for troubleshootingcommon host and application issues.; ;You'll learn how to-; . Use Ansible to manage users and groups, and enforce complex passwords; .

Create a security policy for administrative permissions, and automate a host-based firewall; . Get started with Docker to containerize applications, use Kubernetes for orchestration, and deploycode using a CI/CD pipeline; . Build a monitoring stack, investigate common metric patterns, and trigger alerts; . Troubleshoot and analyze common issues and errors found on hosts.