A practical collection of utilities, commands, references, and examples for IT, cybersecurity, system administration, and automation.
🚧 This directory is growing. As a topic expands, it will get its own page with syntax, examples, and use cases.
🧑💻 Programming & configuration
- Chef — Configuration management and infrastructure automation.
- PowerShell — Windows administration and automation.
- Bash — Linux and Unix shell scripting.
- Python — General-purpose automation and security scripting.
📡 Networking
| Tool | Purpose |
|---|---|
ping |
Test reachability and basic network latency. |
tracert / traceroute |
Show the path traffic takes to a destination. |
ipconfig / ifconfig |
Inspect and manage network interface configuration. |
curl |
Test web endpoints and transfer data. |
🔐 Security and analysis
| Tool | Purpose |
|---|---|
nmap |
Discover hosts, services, and open ports. |
| Wireshark | Capture and analyze network traffic. |
netstat |
Inspect connections, routes, and listening ports. |
| Browser Developer Tools | Inspect web applications, requests, storage, performance, and page structure. |
💻 System administration
- 🪟
tasklistandservices.msc— Inspect Windows processes and services. - 🐧
ps,top, andhtop— Inspect Linux processes and system activity. - 💽
chkdskanddiskpart— Diagnose and manage Windows storage. - 📊
dfanddu— Review Linux filesystem and directory usage.
☁️ Web and cloud
- AWS CLI — Manage Amazon Web Services.
- Azure CLI — Manage Microsoft Azure.
- Google Cloud CLI — Manage Google Cloud.
wget— Download files and web resources.
💡 Use these references as a starting point, then follow each linked page for practical examples and deeper notes.