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macOS 10.13 Tip: have lots of iOS / Mac devices in your house? And a Mac that's usually on? Turn on "Content Caching" in Sharing prefs, and updates will be downloaded to all your devices from your Mac, saving time and bandwidth. support.apple.com/guide/mac-help

11:25 PM · Dec 19, 2017

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(This used to be a macOS Server-only feature, but no more! The best part is zero configuration is needed on all of your devices — they'll automatically find and go to your local Content Cache first.)

Options button!

(Also there are some hard-core settings probably useful to someone if you option-click the, er, Options… button.)

Fabien Marry

@Fabien_UX

Dec 19, 2017

Thanks for the tip. Would be great to do that from the Apple TV, maybe finally a way to use the 64GB…

Alex Dixon

@Abcmsaj

Dec 19, 2017

Does it automatically download iOS updates without having to open iTunes? Or just macOS?

@bmike

Dec 19, 2017

And the iCloud content caching means that backups of iCloud library and iCloud Drive are saved locally so that when you wipe and restore an iOS device - most of the restore from iCloud backup is local network speeds. Buh-bye multi-hour and multi-day restores from iCloud backup.

Clint Wyckoff

@ClintWyckoff

Dec 19, 2017

This is pretty cool! Even neater is the fact that you can change the location of the cache to an external device so the cache does not consume capacity and performance on the local storage device

👏🏼👏🏼👏🏼🤙🏼🤙🏼🤙🏼

Wow great find - one of Servers best features.

Dan Wood

@danwood

Dec 20, 2017

Wow, so cool that this is implemented! Should solve exactly what I've been griping about (though now that I have ~75Mpbs at home it's not as big of a deal)