Linux & Open Source
Fix HDMI Overscan Cutting Off Edges on Raspberry Pi
You boot your Raspberry Pi and the edges of the desktop are missing. The taskbar is half off the screen, text near…
October 21, 2026
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Technology
Step-by-step tech guides, fixes and how-tos — from Wi-Fi and Windows to AI tools, apps and smart devices. Every guide is written to solve one problem clearly.
2,113 guides
Linux & Open Source
Install RetroPie on Raspberry Pi 4 and Fix Controller Lag
A Raspberry Pi 4 makes an excellent retro gaming machine. With RetroPie you can play classic console and arcade games on your…
October 21, 2026
Linux & Open Source
Fix Pi-hole Admin Page Not Loading After IP Change
You changed your router IP range, perhaps from 192.168.1.x to 192.168.50.x or to 10.0.0.x, and now the Pi-hole admin page will not…
October 21, 2026
Linux & Open Source
How to Whitelist a Pi-hole Site for One Device Only
Pi-hole is brilliant at blocking ads and trackers across your whole home, but sometimes it blocks too much. A banking app stops…
October 21, 2026
Linux & Open Source
How to Set Up Pi-hole on a Raspberry Pi 4 and Point Your Router’s DNS to It
Adverts on smart TVs, trackers in phone apps, and pop-ups on devices where you cannot install a browser extension — network-level blocking…
October 21, 2026
Linux & Open Source
How to Fix Jellyfin Not Detecting New Movies Added to Your Library Folder
You copy a new film into your movies folder, open Jellyfin, and… nothing. The library looks exactly as it did yesterday. Refreshing…
October 21, 2026
Linux & Open Source
How to Install Jellyfin on Ubuntu Server and Fix Hardware Transcoding Not Working
Jellyfin gives you a private, Netflix-style library for your own movies, shows, and music, with no subscriptions and no tracking. Ubuntu Server…
October 21, 2026
Linux & Open Source
How to Exclude the Home Folder Properly From Timeshift Snapshots to Save Space
Timeshift snapshots are supposed to be a lean safety net for your operating system. Yet many users open their snapshot drive and…
October 21, 2026
Linux & Open Source
How to Set Up Timeshift in RSYNC Mode vs BTRFS Mode and Which to Choose
A broken update, a bad driver, or a failed experiment can leave a Linux system unable to boot. Timeshift protects you from…
October 21, 2026
Linux & Open Source
How to Resume an Interrupted Rsync Backup Without Copying Everything Again
It happens to everyone eventually. The laptop battery dies in the middle of a backup, the external drive cable gets knocked loose,…
October 21, 2026