NetLanSys Admin

how-to

Guides

How-to guides and cheat sheets for the tools we track.

How to Choose Network Monitoring Software (2026)

A vendor-neutral guide to choosing network monitoring software: coverage, protocols, scale, deployment, alerting and licensing — with a recommended all-in-one option.

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How to inventory a small office network (2026)

A practical, tool-agnostic walkthrough for building an accurate picture of every device on a small office network — plan the range, scan it, read the results, and turn a one-off scan into a living inventory.

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How to read a network scan: what the results actually mean

A plain-English guide to reading a network scan — status, IP, hostname, MAC and manufacturer — and to the traps that make results lie: phantom hosts, sleeping devices, randomised MACs and filtered pings.

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A weekly network-scan routine that takes four minutes

A network inventory is only accurate on the day you take it. Here is a light, repeatable weekly routine — scan, compare, act — that keeps an accurate picture of a small office network without becoming a project.

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Network Scanning Authorization Checklist

A practical checklist for planning an authorized network scan: written permission, scope, timing, notifications, intensity, logging, and handling results responsibly.

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Nmap Cheat Sheet: Essential Commands

A practical reference of the most useful Nmap commands for network discovery and port scanning, with plain-English explanations.

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Wireshark Display Filters: A Practical Reference

Learn Wireshark display filter syntax with real examples for filtering by IP, port, protocol, combining conditions, and troubleshooting common issues.

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