A large collection of cheatsheets, manuals, hacks, one-liners, command-line and web tools, blogs and other reference material, gathered by its author for everyday work. It is aimed mainly at system and network administrators, DevOps engineers, penetration testers and security researchers.
The content is organized into chapters and works as a reference to browse and search rather than a course. It also includes contribution notes, an RSS feed for updates and a to-do section.
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