SSH Keys: Stop Using Passwords on Your Pi or Server
Set up SSH keys for your Linux server, Raspberry Pi or NAS from a Mac or Linux computer, then switch off password logins without locking yourself out.
Tech Tips
Time Machine Backup: Set It Up and Prove It Restores
How to set up a Time Machine backup on your Mac with an external drive, choose the right disk, and test a restore before you ever need one.
Wi-Fi 6 vs Wi-Fi 5: Is the Upgrade Worth It at Home?
Wi-Fi 6 vs Wi-Fi 5: what the newer standard really improves, what it can’t fix, and a simple test to see if your home needs it.
Old Laptop Linux Mint: Revive a 10-Year-Old PC
Try an old laptop Linux Mint setup from a USB stick first, then install it, add a cheap SSD, and know what won’t work.
How to Check SSD Health on Windows, Mac and Linux
Learn to check SSD health on Windows, Mac and Linux, what the SMART numbers mean, and what to do when a drive starts warning you.
Calibrate a Monitor Without a Colorimeter
A twenty-minute sequence to fix crushed blacks, a blue cast and flat gamma on any monitor, using test patterns instead of a colourimeter.
Convert HEIC Photos So They Open Anywhere
Why HEIC photos fail to open on Windows and Android, and the fastest way to convert one file or a whole folder on iPhone, Mac or PC.
Spilled Liquid on a Laptop: The First 10 Minutes
Cut the power, tilt it the right way, and resist the four habits that turn a small spill into a dead motherboard. A minute-by-minute plan.
How to Size a UPS for Your Router and PC
Work out the real watt load of your router and PC, then do the runtime maths before buying a UPS so you get the right size the first time.
Turn an Old Stick Into a USB Drive Repair Tool
A spare USB stick with Ventoy and a few ISOs becomes a rescue kit that fixes a broken PC. Here is how to build and test one in an hour.