Early Macs normally had their clocks synced manually, until System 8.5 introduced support for NTP. That later switched to a proprietary service, timed, in macOS 10.13 High Sierra.
Category Archive: Macs
Paste in the MD5 or SHA-256 hash for a download, drop the file onto its window, and DropSum will tell you if they match and the download is good.
What do you do when you discover your Mac’s Data volume has run out of free space? A guide to working with snapshots, iCloud Drive, and other tricks to salvage your Mac. And how to prevent this from happening again.
Computing SHA-256 digests is a common and demanding task, particularly in security. A late Intel Mac is shown to be much slower at doing that than M-series Macs, and this considers why that might be.
Apple has just released an update to XProtect for all supported versions of macOS, bringing it to version […]
Open Activity Monitor. If kernel_task is the top of the CPU % list and hogging its cores, what should you do? Can Energy Modes help?
I hope that you enjoyed Saturday’s Mac Riddles, episode 317. Here are my solutions to them. 1: Total […]
Detailed exploration of how RunningBoard manages the service updating data for a widget, and how that update is scheduled and run by chronod.
How can you assure yourself that important files retain their data intact? Here’s a simple strategy for doing that, which works better on a file system that doesn’t check integrity.
Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: Total banker’s […]
The Eclectic Light Company 