One command, bless, used to do it all, copying boot.efi to the right place and declaring the volume bootable in its header. Where are we with Big Sur and M1 Macs?
SIP
Final in series. Examines how the hardened runtime controls access to protected private data and services, and how some use private entitlements.
Details of data files for MRT, XProtect, Gatekeeper and other security features in Big Sur. Covers both Intel and M1 Macs.
Why use them, which to use, what to do with large updates, how to avoid downloading some updates, how they work, error messages, and where to find more info.
Use the most recent macOS possible, don’t disable protection, beware of links, if you have to live dangerously, use a VM, and remove Flash now. Practical tips for all.
In the last few days, Apple has again changed its recommended procedure for resetting or repairing permissions on […]
Apple has changed its instructions for resetting/repairing permissions on your Home folder, and important cure for many problems.
The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.
How does Catalina’s new privacy protection extend to folders such as ~/Documents? New information fills in detail.
Details of their locations, purposes, and the current installed version. These have changed a great deal since Mojave.
