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Quarantined: more about the quarantine extended attribute

If you want someone else to be able to run your script app, you’ll need to sign it and get it past Gatekeeper’s checks. Here are more details about the role of xattrs in those, and how to run a full check without downloading your app.

August 15, 2017 Macs, Technology

Show me your metadata: extended attributes in macOS Sierra

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They’re responsible for determining Gatekeeper’s checks, contain Finder information, and much more. With a new free tool too.

August 14, 2017 Macs, Technology

Apple updates Gatekeeper data again

Apple has pushed another silent update to the security data files for macOS Sierra and OS X El […]

August 13, 2017 Macs, Technology

Last Week on My Mac: We need to document macOS

macOS is now largely undocumented. It’s time to do the job ourselves: what about an open collaborative project?

August 13, 2017 General, Macs, Technology

Logging in and out in Sierra’s log

Signposts from Sierra 10.12.6 recording key steps when logging in, out, and fast user switching. And a fascinating process which serialises its log entries.

August 12, 2017 Macs, Technology

Launch Services database problems: correcting and rebuilding

What do you do when you open a document, only to find that the wrong app opens it? Here’s how to tackle that and more.

August 11, 2017 Macs, Technology

Recent Items, Launch Services, and SharedFileLists

Digging into macOS Sierra and its logs to examine how Recent Items works. Useful insights into Launch Services, and potential historical info about documents opened.

August 10, 2017 Macs, Technology

When Recent Items vanish: a possible bug in Sierra 10.12.6?

It’s a System Prefs problem. No, a preferences file problem. No, it’s something else, but Apple once again won’t tell us how Recent Items works, or doesn’t.

August 9, 2017 Macs, Technology

Apple updates Gatekeeper data

Apple has today pushed another silent update to the security data files for macOS Sierra and OS X […]

August 8, 2017 Macs, Technology

Beyond Scripting in Swift: Preferences with and without UserDefaults

How much more difficult is it to write your own code to handle user preferences, rather than letting UserDefaults handle them?

August 7, 2017 Macs, Technology

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