Practical tools for system, network, security, and operations administrators.

SYS

System desk

Users, processes, disks, and logs. These utilities run in the browser and explain the unglamorous work that keeps hosts honest.

337–360 / 975

Byte Size Calculator

Live

Human-readable byte sizes and conversions. The result stays on this page.

Open tool

Linux Signal Reference

Live

Linux Signal Reference. Signals, numbers and default actions. The result stays on this page.

Open tool

Linux errno Lookup

Live

Linux errno Lookup. errno names, numbers and meanings. The result stays on this page.

Open tool

Linux Directory Structure Explorer

Live

Linux Directory Structure Explorer. Interactive FHS directory reference. The result stays on this page.

Open tool

Linux Command Cheat Sheet Generator

Live

Linux Command Cheat Sheet Generator. Printable cheat sheet by category. The result stays on this page.

Open tool

PowerShell vs Bash Command Reference

Live

PowerShell vs Bash Command Reference. Side-by-side equivalents. The result stays on this page.

Open tool

Windows Shortcut & Run Command Reference

Live

Admin MMC/run commands (services.msc etc.). The result stays on this page.

Open tool

Common Config File Locations

Live

Where configs live for common services. The result stays on this page.

Open tool

Sysadmin Runbook Template Generator

Live

Generate runbook templates for common tasks. The result stays on this page.

Open tool

Incident Postmortem Template Generator

Live

Generate blameless postmortem template. The result stays on this page.

Open tool

DHCP Scope Creation Script Generator

Live

Generate Add-DhcpServerv4Scope scripts with options and exclusions. The result stays on this page.

Open tool

FSRM Ransomware File Screen Generator

Live

Generate file screens for ransomware extensions. The result stays on this page.

Open tool

File Server Migration Script Generator

Live

Generate robocopy + share migration scripts. The result stays on this page.

Open tool

Storage Spaces Direct Capacity Calculator

Live

Storage Spaces Direct Capacity Calculator. S2D usable capacity and reserve. The result stays on this page.

Open tool

macOS defaults Command Builder

Live

macOS defaults Command Builder. Build defaults write/read commands. The result stays on this page.

Open tool

Configuration Profile (mobileconfig) Generator

Live

Configuration Profile (mobileconfig) Generator. Generate basic .mobileconfig profiles. The result stays on this page.

Open tool

Homebrew Command Builder

Live

Build brew install/bundle commands and Brewfiles. The result stays on this page.

Open tool

macOS Terminal Command Explainer

Live

Explain macOS-specific commands (diskutil, scutil, pmset). The result stays on this page.

Open tool

diskutil Command Builder

Live

Build disk formatting and APFS commands. The result stays on this page.

Open tool

FileVault Deployment Planner

Live

Plan FileVault enforcement and key escrow. The result stays on this page.

Open tool

cloud-init Validator

Live

Validate cloud-init YAML and explain modules. The result stays on this page.

Open tool

Kickstart File Generator

Live

Generate RHEL/Rocky/Alma kickstart files. The result stays on this page.

Open tool

Ubuntu Autoinstall Generator

Live

Ubuntu Autoinstall Generator. Generate Ubuntu autoinstall YAML. The result stays on this page.

Open tool

Windows unattend.xml Generator

Live

Windows unattend.xml Generator. Generate unattend answer files. The result stays on this page.

Open tool