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macOS Server

A brief history of content caching services

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Originally two separate services in Mac OS X Server, for Software Updates and later Content, it reached client versions of macOS in High Sierra in 2017.

September 27, 2025 Macs, Technology

A brief history of Mac servers

A/UX was released for the Mac II in 1988, then in 1993 Apple changed course with a series of servers, before Mac OS X Server in 1999 and its first Xserves in 2002.

December 7, 2024 Macs, Technology

Maintaining the System: how software update has changed

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From the Mac OS Installer app for 9.1 in 2001, through updates in the App Store, to Software Update settings, with Content Caching servers on the way.

August 26, 2023 Macs, Technology

How to run a server on macOS Monterey?

Running a Mac as a server supports all the features of HFS+ and APFS, services such as Content Caching, and spares us from learning Linux. But does it work?

September 26, 2022 Macs, Technology

Explainer: Open Directory

The first version of its predecessor, NetInfo, also handled DNS lookups. When they failed, users found they were locked out of everything else. This has improved!

December 25, 2021 Macs, Technology

Is this the end of the line for Mac servers?

Apple says that macOS Server is changing, then warns that almost all its services will be removed. After 19 years, is this the end?

January 26, 2018 Macs, Technology

High Sierra’s Small Print: installation, firmware updates, Content Caching, and more

Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.

September 13, 2017 Macs, Technology

macOS Sierra bug not fixed: Time Machine backups still stop working

The old bug in macOS Sierra, which has been present since its first release last year, resulting in […]

May 13, 2017 Macs, Technology

All about the macOS Sierra 10.12.1 update

Most apps and other software components in Sierra were updated, from the App Store to XProtect. Here’s a more complete list.

October 28, 2016 Macs, Technology

Security fixes in macOS Sierra, Safari 10, and macOS Server 5.2

Released at the same time as macOS Sierra, Safari 10 is available for OS X Yosemite 10.10.5 and […]

September 21, 2016 Macs, Technology
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