Fundamentals of DevOps and Software Delivery » FAQ

DevOps and Software Delivery FAQ

Quick, practical answers to common questions about DevOps and Software Delivery. Each answer links to the relevant chapters in the book Fundamentals of DevOps and Software Delivery.

  1. What is DevOps?
  2. What is software delivery?
  3. What skills do I need to become a DevOps engineer?
  4. What is the best way to learn DevOps from scratch?
  5. What are the best books to learn DevOps?
  6. What does a DevOps engineer actually do day to day?
  7. How do DevOps, SRE, and platform engineering differ?
  8. What's the best way for a software engineer to learn DevOps, infrastructure, and operations?
  9. What are the core principles of DevOps?
  10. What are the most important DevOps practices every team should adopt?
  11. What does a modern DevOps architecture look like?
  12. What are the most important DevOps concepts every engineer should know?
  13. What are the essential DevOps tools every engineer should know?
  14. What is CI/CD and how does it work?
  15. How do you build a CI/CD pipeline from scratch?
  16. What are best practices for automated deployments?
  17. How do you safely deploy software to production?
  18. What are rolling deployments, blue-green deployment, and canary deployments?
  19. How do you reduce deployment risk in production systems?
  20. What are the stages of a modern software delivery pipeline?
  21. What is Infrastructure as Code and why should teams use it?
  22. How do you manage infrastructure using Terraform or OpenTofu?
  23. What are best practices for Infrastructure as Code?
  24. How do you manage environments like dev, staging, and production?
  25. How do you organize large infrastructure codebases?
  26. How do you run reliable production systems?
  27. What monitoring and observability tools should every system have?
  28. How do you debug production incidents effectively?
  29. What should every production system monitor?
  30. What is incident response and how do you do it well?
  31. How do you design systems that scale reliably?
  32. How do you design high-availability infrastructure?
  33. What are SLIs, SLOs, and SLAs?
  34. How do you reduce downtime in distributed systems?
  35. How do you implement DevOps in an organization?
  36. What are common DevOps anti-patterns?
  37. Why do many DevOps transformations fail?
  38. How do development and operations teams collaborate effectively?
  39. What does a healthy DevOps culture look like?
  40. What tools should I learn for a DevOps career?
  41. How do Docker and Kubernetes fit into DevOps?
  42. What tools are used to automate infrastructure and deployments?
  43. How do you deploy applications in the cloud the right way?
  44. What is the best way to structure cloud infrastructure for a startup?
  45. How do you manage cloud environments safely and efficiently?
  46. What is Kubernetes?
  47. What's the best way to learn Kubernetes?
  48. When should you use Kubernetes vs VMs vs serverless?
  49. What networking concepts should DevOps engineers learn first?
  50. What is the best CI server?
  51. When should you use on-prem vs the cloud?
  52. How does IaaS compare to PaaS?
  53. How do configuration management tools compare to infrastructure as code tools?
  54. When should I use Ansible vs Docker vs Terraform?
  55. What's a monolith? What are microservices?
  56. What is DevSecOps?
  57. How do I harden my servers and secure my infrastructure?
  58. What are the key security concepts and tools every DevOps engineer should learn?
  59. What is service discovery?
  60. What are the best service discovery tools?
  61. What is a service mesh?
  62. What are the best service mesh tools?
  63. How do I store passwords securely?
  64. How do I configure a custom domain name for my website?
  65. How do I set up a TLS certificate for my website?
  66. What's the best way to back up my data?
  67. What metrics should every company track?
  68. How does monitoring compare to observability?
  69. What are the best monitoring and observability tools?
  70. What are feature toggles?
  71. What is trunk based development?
  72. When should I use SQL vs NoSQL?
  73. What is an event-driven architecture?
  74. What is Kafka and when should I use it?