Reference
Cheatsheets
Built for retrieval: one line per command, grouped by task, copyable, and printable without the interface chrome. Explanations live on the tool pages.
Available sheets
Every sheet is derived from the same typed content model as the directory, so entries never drift apart.
Nmap
Scan types, port selection, output and timing switches, in the order you reach for them.
28 entries5 groupspairs with Nmap18 Jan 2026Wireshark display filters
Filter expressions to type from memory, grouped by what you are usually asking.
25 entries4 groupspairs with Wireshark16 Jan 2026Linux essentials
The commands that appear in almost every security workflow, with the flags that matter.
25 entries5 groups12 Jan 2026Bash
Scripting patterns that make security tooling output safe to handle.
15 entries4 groups8 Jan 2026Regex for log and payload triage
Patterns you can paste into grep -E, a filter box or a notebook, with the caveats that matter.
17 entries4 groups5 Jan 2026Network troubleshooting
An ordered diagnostic path with the command for each question, plus how to read the answer.
18 entries5 groups11 Jan 2026