The following components of macOS Sierra 10.12.6 have been updated in Security Update 2018-002 released on 29/30 March […]
Overnight (UTC), Apple has released the update to High Sierra 10.13.4, Safari 11.1, and security updates to El […]
Waypoints identified for shutdown and startup, login, system sleep and wake, and fast user switching. How to write to the log from a shell script, and accessing the separate installation log. Finally, security and audit.
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.