Home Computing
Guides and references
Published guides and cheatsheets.
Practical guides for home computers and networks: backups and data recovery, Wi-Fi, printers, malware, and Windows troubleshooting.
Backups & Disaster Recovery
3-2-1 Backup Guide
What the 3-2-1 backup rule really means, how backups differ from sync, how to set recovery goals, and how to build and test a backup plan that…
Read the guideNetworking & Wi-Fi
Reliable Network Guide
How a dependable network fits together: routers vs. firewalls, switches, VLANs, Wi-Fi, PoE, guest networks, firewall rules, DNS, remote access, and…
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Subnetting in Your Head
Work out any IPv4 subnet's network, broadcast and usable range without a chart: find the interesting octet, work out the increment, round down, and…
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