The Book of Secret Knowledge is a popular GitHub repository that serves as a comprehensive collection of technical resources, including cheatsheets, manuals, lists, tools, and hacks[1].

Key aspects of this repository include:

  • DevOps and system administration resources, including 284 test questions for Linux system administrators[2]
  • DNS tools and diagnostics collections[3]
  • Command line tools and one-liners[4]
  • Cloud-native materials and training resources

The repository has gained significant community traction, accumulating over 100,000 stars and 12,000 forks on GitHub[5]. It’s particularly valued by DevOps engineers and system administrators as a free, open-source learning resource that provides alternatives to paid courses[5:1].


  1. GitHub - trimstray/the-book-of-secret-knowledge ↩︎

  2. Medium - 7 GitHub Repositories That Help You Become A Better DevOps Engineer ↩︎

  3. Hacker News - The Book of Secret Knowledge ↩︎

  4. Zorin Forum - Linux commandline cheat sheet ↩︎

  5. LinkedIn - Abhishek Veeramalla’s Post ↩︎ ↩︎