Tools

Command-line tools worth knowing well, with worked examples.

Notes in this section

• Process Management Tools — Linux process management utilities — lsof, fuser, pkill, pgrep, killall, pgrep, ps usage patterns, signal reference
• Regular Expressions (Regex) Cheat Sheet — Comprehensive regular expressions reference for software and DevOps engineers — character classes, quantifiers, lookarounds, and…
• Regex — PCRE is a widely used regular expression engine inspired by the syntax of Perl.
• sha256sum — The sha256sum command is used to compute and verify SHA-256 cryptographic hash values for files.

Across the wiki

• kubectl — command-line tooling (Kubernetes)
• AWS CLI — command-line tooling (AWS)
• psql — command-line tooling (Architecture)