Ctrl blog archive, page 46

The hoops I jump through to be an Amazon customer in Norway

I browse for items on Amazon UK, ordered through Amazon Germany, items get shipped from the UK through Denmark, and somehow still arrive in Norway in two days.

Can Linux hibernate into tmpfs?

Hibernation requires that you can swap data out of volatile memory into something that will persist through a power cycle. A tmpfs in RAM isn’t the best option.

How to schedule Folding@home to only run during winter nights

Anyone can donate PC power to medical science with Folding@home. Here’s how to schedule it to only run at night during winter. For macOS, Windows 10, and Linux.

RunCat and the battery-impact of processor indicators

RunCat is a desktop pet that lives in your Mac’s top bar. It runs faster when your Mac is busy but it can also prevent it from entering energy-saving modes.

Look for EU’s new QR code to know your new TV and monitor’s longevity

The new energy-efficiency labels contain information on how long products will receive software and firmware updates, spare parts availability, and support.

Comparing file sizes of lossless WebP vs FLIF vs PNG

FLIF makes big claims on file size savings but lossless WebP delivers.

Comparing AVIF vs WebP file sizes at the same DSSIM

I got impressive results when comparing AVIF and WebP images at the same visual quality (using DSSIM). AVIF’s 85th percentile was the same as WebP’s 15th!

Enable the sharp YUV option for better WebP images

Batch encoding images into WebP? Enable Sharp YUV for higher visual quality results at only a tiny increase in file sizes at a one-time cost to processor time.

How to enable hibernation on Fedora

Configure Fedora Workstation’s boot environment to support system hibernation/suspend-to-disk. Lets you power-off your computer and resume your work later.