Linux Resources

A collection of useful resources for learning Linux commands, security practices, monitoring tools, and more. These resources complement the commands available in ProxMenu and will help you deepen your knowledge of Linux system administration.

Linux General

TLDR Pages

Terminal commands explained briefly with practical examples. Ideal for quickly remembering how to use tar, find, rsync, etc.

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Explainshell

Enter a command and this site breaks it down explaining each part. Very useful for learning complex commands.

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Cheat.sh

Online service to quickly search commands from browser or terminal (curl cheat.sh/tar). Very powerful and practical.

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Security and Administration

SSH Hardening Guide

Advanced guide to secure SSH access. Covers ciphers, versions, authentication, and other recommended practices.

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Fail2ban Wiki (GitHub)

Official documentation and usage examples for Fail2ban, an essential tool for servers.

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Monitoring and Diagnostics

nmon Performance Monitor

Advanced system monitoring tool, with documentation on its usage.

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htop Official

Official page of htop, one of the most used tools for viewing processes and resource usage.

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ZFS and Storage

OpenZFS Documentation

Official and modern guide on ZFS, ideal for administrators using Proxmox with this file system.

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ZFS Cheatsheet (DigitalOcean)

Clear and simple explanation of basic ZFS usage in Linux.

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Extra: General Cheatsheets

OverAPI.com

Collection of interactive cheatsheets on multiple technologies, including Linux commands.

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DevHints.io Linux

Bash shortcuts and basic scripting, useful for automating tasks in Proxmox and other environments.

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