> For the complete documentation index, see [llms.txt](https://notes.joeir.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.joeir.net/system-administration.md).

# System Administration

- [Networking cheatsheet](https://notes.joeir.net/system-administration/networking-cheatsheet.md)
- [Infra security check tools](https://notes.joeir.net/system-administration/infra-security-check-tools.md)
- [Using Ubuntu as a workstation](https://notes.joeir.net/system-administration/using-ubuntu-as-a-workstation.md)