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This is a linux command line reference for common operations.

A glossary of various terms and acronyms related to the Linux kernel. If you know something, please create yourself an account (UserPreferences) and add a term in alphabetical order. Don't be afraid to improve other people's explanations, the... more

Linux-Unix cheat sheets - The ultimate collection:

  • Linux Command Line Cheat Sheets
  • Solaris Cheat Sheets
  • IBM (AIX) Cheat Sheets
  • Debian/Ubuntu Cheat Sheets
  • Package Management Cheat Sheets
  • ... more

This site is where you can find the official documentation developed and maintained by the Ubuntu Documentation Project.

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The ieRoadmap is an interactive tool designed to enable energy sector stakeholders to map their energy delivery system cybersecurity efforts to specific milestones identified in the Roadmap to Achieve Energy Delivery Systems Cybersecurity. The... more

Over the years, we have developed, honed, and refined a number of templates to help you more easily secure your routers and servers. These documents are presented below. They are provided for your use and education - we cannot guarantee they'll... more

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