Formatting log extracts, understanding and selecting the fields to display, predicates to filter an extract, using string search, and top-down search for working with the unified log.
How it came about, what Apple’s goals were and their effect on the log contents, how it works, and an overview of the tools available to work with it.
Several Mac users have contacted me to report apparent contradictions between different estimates of free space remaining on […]
For no apparent reason, Sierra has again downloaded and installed an old ‘security’ update from 2016. Not only that, but it does its utmost to prevent you from finding out, even when studying the log. At least 5 bugs!
An odd problem: you try running an old installer and it crashes. There’s nothing actually wrong with the installer, it’s just that the rules have changed.
macOS Sierra Security Update 2018-001 is effectively a minor macOS update which updates a lot of components within […]
Full release for El Capitan, Sierra, and High Sierra, and corresponding versions of macOS Server. Now with full Help book.
macOS can update files protected by SIP without your knowledge of any update taking place, and without the event being recorded in the Install History. Here’s how it happens.
A more objective comparison with the El Capitan and Sierra product cycles shows that High Sierra isn’t that much worse. Although APFS has matured well, a few obvious and serious security gaffes have marred this cycle.
Did Sierra systems have a silent update to OSX1012IncompatibleAppList around 4 January 2018? It looks like another worrying mistake by Apple.