Apple announces the date for the Sierra course retirement

Over the next few weeks, you’ll see quite a few changes to the way we present and offer our training courses online; for classroom courses, on-site training, events and online training too. In the meantime, we need to update you with announcements from Apple relating to its certification courses and exams. Retiring macOS Sierra courses […]

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Change Internet Sharing subnet on Mac OS X

During one of our Support Essentials Courses a delegate asked me if it was possible to change the subnet supplied by Mac OS X default internet sharing service. After some searching on both the system files and Google, I found that that the configuration file is located in /Library/Preferences/SystemConfiguration/com.apple.nat.plist. This file only gets created after you […]

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