Tutorials

Networking
Fix DNS Once: Router vs PC vs Browser, and How to Stop Settings Fighting

DNS problems get messy when the router, operating system, browser, VPN, and IPv6 all disagree. This guide shows where to change DNS once and how to prove it worked.

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Homelab
How Do You Document a Homelab So Someone Else Can Recover It?

Document the minimum facts needed to keep the house working: what runs where, how to log in, what must be paid, what can be turned off, and who to call. The goal.

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Network Security
Malware-Blocking DNS for the Whole House: Set It Once, Prove It Works

Use router-level DNS filtering to block known malware and phishing domains for every device, then handle IPv6, browser DoH, VPNs, and false positives.

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Homelab
Used Enterprise Server vs Mini PC: Which Homelab Buy Makes Sense?

Used enterprise servers are worth it when you need PCIe lanes, drive bays, ECC memory, lab realism, or noisy hardware experience. Mini PCs are usually better for always-on home services because they.

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Homelab
Seerr Setup for Plex or Jellyfin, Sonarr, and Radarr

Deploy Seerr with Docker, connect Plex or Jellyfin to Sonarr and Radarr, separate requester rights from administration, and verify a recoverable request path.

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Cisco
Cisco SD-WAN to Multicloud Fabric: A Migration Design

A phased migration from SD-WAN and native cloud networking to Cisco Multicloud Fabric should start with inventory, routing domains, security policy, pilot paths, and measurable experience.

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Homelab
Monitoring and Health Checks for a Plex and Arr Homelab

Build useful health checks for a Plex and Arr homelab: storage mounts, imports, transcoding capacity, certificates, backups, queues, and daily reports.

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Homelab
IoT Isolation for Homelabs: VLANs, Firewall Rules, and mDNS

A practical IoT isolation guide that keeps smart-home devices usable while protecting trusted clients, servers, and management networks.

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Homelab
Back Up and Restore Jellyfin and the Media Automation Stack

Protect Jellyfin, Plex, Arr, SABnzbd, and Tdarr state with consistent encrypted backups, an explicit restore order, and an isolated recovery test.

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Homelab
Ubiquiti Site Magic Routing: A No-Nonsense Beginner Guide to Routes, Route Injection, and Software-Defined Wide Area Network Fabric Design

A practical Site Magic routing guide covering UniFi site-to-site VPNs, route injection, subnet overlap, firewall policy, and branch troubleshooting.

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