THE PRACTICAL TECH NOTEBOOK
Practical IT tips, coding tricks, and ready-to-use scripts.
mkdir next-project
cd next-project
printf 'Ready to build.\n'Keep the useful bits.
Skip the guesswork.
THE COLLECTION
14 guides & counting
Step-by-step fix for Windows 10/11 printer error 0x80040003 (Your printer has experienced an unexpected configuration problem) caused by corrupted Default DevMode in WSD/IPP printers.
Deploy Uptime Kuma with persistent storage, monitor a meaningful endpoint, and test both outage and recovery notifications.
Install a small, explicit set of Windows tools with exact package IDs, record failures, and reuse your package list on the next PC.
Check that your go2RTC stream actually decodes a video frame, then recover after repeated failures with a restart cooldown.
Connect a private Docker service to a public HTTPS hostname without router port forwarding, then require an approved identity through Cloudflare Access.
Separate images, build cache, logs, and persistent data before reclaiming Docker storage. Keep the volumes and rollback images you still need.
Back up a Docker named volume with a short maintenance window, schedule the job, and restore into a fresh volume before trusting the archive.
I recently picked up an inexpensive dual-lens Yoosee camera. It works well, but there’s a catch: it doesn’t provide separate video streams for each lens. Instead, it merges both lenses into a single frame, which makes viewing difficult even though the camera can technically be added to a Hikvision DVR. After some research, I found …
I received a Marshall speaker from my wife as a birthday gift. It has an “Energy-saving” feature that automatically turns off the Bluetooth connection if no audio is played for 15–20 minutes. The problem is that when I’m busy and come back to my PC, the speaker has already disconnected and I have to reconnect …
Sometimes you need to restart your computer to make changes in the BIOS, and you usually have to press a key such as DEL, F1, F2, or F10. Each brand uses a different key to enter the BIOS. I have a trick to enter the BIOS from Windows without pressing any key. Just run this …
I Don’t Like the Windows 11 Menu Do you feel the same way about Windows 11’s right-click menu? Personally, I prefer the classic Windows 10 style. Fortunately, there’s a simple way to bring it back. Run the following commands in Command Prompt (as Administrator): After running these commands, restart your computer. The right-click menu should now look …
The Challenge I recently encountered a common problem: needing to download a large Google Drive folder (around 30 gigabytes!) containing numerous files and subfolders. Manually selecting and downloading each file would take forever. The “Download All” option wasn’t much better, as Google’s zipping process for such a large volume of data also consumes a significant …