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Category Archive: Macs

What to do if Apple contacts you about malware or security

Who to believe and what to do about warnings apparently sent by Apple, particularly its new threat notifications.

April 12, 2024 Macs, Technology

APFS: Encryption and sealing

Keybags, wrapping keys, VEKs and KEKs all explained. Did you realise how Recovery Keys are implemented? Or how the SSV protects against read errors?

April 11, 2024 Macs, Technology

How macOS opens a file in the correct app

Details of the chain of information, from the UTI of the file to be opened, through LaunchServices’ database of document types. How to deal with problems.

April 10, 2024 Macs, Technology

Which external drives have Trim and SMART support?

T T Read More

This has become more complex with increasingly popular hybrid drives that support USB4/Thunderbolt and fall back to USB 3.x.

April 9, 2024 Macs, Technology

Solutions to Saturday Mac riddles 250

I hope that you enjoyed Saturday’s Mac Riddles, episode 250. Here are my solutions to them. 1: Roman […]

April 8, 2024 General, Macs, Technology

APFS: Snapshots

What’s in an APFS snapshot, and how the stages in its life-cycle work, from creation, through mounting and unmounting, to deletion and cleanup.

April 8, 2024 Macs, Technology

Last Week on My Mac: SwiftUI wrangling

SwiftUI is almost five years old. Following experience porting an AppKit app for macOS to SwiftUI, it still has a long way to go. Here’s the current state of play.

April 7, 2024 Macs, Technology

Saturday Mac riddles 250

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: Roman CCL […]

April 6, 2024 General, Macs, Technology

What are UUIDs and why might I need them?

Where would you find a 7C3457EF-0000-11AA-AA11-00306543ECAC? How UUIDs have taken over to identify so much, and how to generate your own.

April 6, 2024 Macs, Technology

A quick look at QuickLook and its problems

Thumbnails viewed in the Finder, and previews now supporting Live Text and more. But what if it runs into problems? Here’s how to diagnose and solve them.

April 5, 2024 Macs, Technology

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