Don’t rush to upgrade if you rely on Extensions, which might be disabled. There’s also a vulnerability in running old versions of plugins like Flash.
extensions
Adds details of the sequence of screens displayed at each stage, to help diagnose boot problems.
Practical tips for those intending to upgrade early, from checking compatibility, preparing workarounds, to making a copy of the installer.
You want to boot your Mac from an external drive, but it doesn’t work. A diagram to explain what can go wrong, and how to fix it.
The command bless used to be able to control all things to do with booting, but has become steadily less useful with the advent of SIP and others.
Single-diagram summary of how a modern Mac starts up in macOS 10.12 or 10.13, from pressing the Power button to running the kernel.
How macOS gets to load a hefty kernel and over 300 extensions so quickly: it cheats with a pre-linked kernelcache. And why you don’t see extensions loading in the log.
The Desktop and Finder illusions are held together by Launch Services, which associates file types with apps. This and more now hinge on the UTI.
When you can’t remove an app which you installed just a few minutes ago, you know there’s something wrong. Here’s the solution, and why this is bad security.
Comments to articles here show that some Mac users have, in the last day or so, received silent […]
The Eclectic Light Company 