Useful sed regex collection. GitHub Gist: instantly share code, notes, and snippets.

AWK cheatsheet. GitHub Gist: instantly share code, notes, and snippets.

Bash CheatSheet for UNIX Systems --> UPDATED VERSION --> https://github.com/LeCoupa/awesome-cheatsheets - bash-cheatsheet.sh

nmap Cheat Sheet.

Most common openssl commands and use cases

Regular expressions (regex or regexp) are extremely useful in extracting information from any text by searching a specific search pattern

Comprehensive documentation of all of the options for the dnsmasq DNS/DHCP server, with practical examples

Exhaustive, simple, beautiful and concise. A truly Pythonic cheat sheet about Python programming language.

This article is aimed at somebody who has been using git for three months or more. I’ve been using git […]

Variables · Functions · Interpolation · Brace expansions · Loops · Conditional execution · Command substitution · One-page guide to Bash scripting

Master tmux with the comprehensive cheat sheet: session management, examples, installation guide and more for the ultimate terminal multiplexer.

Pod cheat sheet

kubectl with jq is so powerful

Example: secrets kv-v2 in vault #Enable KV-V2 engine $ vault secrets enable -path=secret kv-v2 # If the KV version is version:1, upgrade it to version:2 $ vault kv e

A list of cool features of Git and GitHub. Contribute to tiimgreen/github-cheat-sheet development by creating an account on GitHub.

LZone Cheats Sheets

What is a Prometheus metric? Metrics vs. Time Series. How scraping works?

Parsing Kubernetes YAML with yq

A collection of more than 20 useful and practical Kubernetes CLI tips from the Kubernetes community.