macOSHow-To 5 min read
How to Reset NVRAM and SMC on a Mac
Resetting NVRAM and the System Management Controller - two different low-level resets solving different problems, on Apple Silicon and Intel Macs.
#howto#nvram#smc
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macOS posts
The Unix underpinnings, frameworks, and platform security model behind Apple's desktop OS.
macOSHow-To 5 min read
Writing Custom Packet Filter (pf) Firewall Rules on macOS
Using the same BSD packet filter that powers macOS's Application Firewall directly, for filtering the GUI's simple allow/deny-per-app model can't express.
#pf#firewall#networking
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Enabling and Hardening Remote Login (SSH) on macOS
Turning on macOS's built-in SSH server correctly, then hardening it beyond the default configuration with key-based authentication and restricted access.
#ssh#remote-login#security
Read more macOSHow-To 6 min read
Managing App Privacy Permissions with tccutil and the TCC Database
Resetting stuck permission prompts, why an app sometimes doesn't re-ask for a permission it should, and what the TCC database actually is.
#tcc#privacy#permissions
Read more macOSHow-To 4 min read
Managing Time Machine From the Command Line with tmutil
Starting, stopping, inspecting, and restoring Time Machine backups without the GUI - useful for scripting backups or diagnosing a stuck one.
#tmutil#time-machine#cli
Read more macOSNews 4 min read
Why Boot Camp Never Came to Apple Silicon Macs
Why Boot Camp stayed Intel-only on Apple Silicon, what native Windows would require, and how Microsoft now supports licensed Windows 11 Arm virtual machines.
#boot-camp#apple-silicon#windows
Read more macOSNews 4 min read
macOS Catalina Completes the Long Goodbye to 32-Bit Applications
How Apple spent a decade signaling the end of 32-bit app support before removing it in October 2019, making the transition smoother than it could have been.
#catalina#32-bit#compatibility
Read more macOSNews 3 min read
macOS High Sierra Makes APFS the Default Filesystem
Released September 25, 2017, High Sierra converted flash-storage Macs to Apple File System automatically - the biggest Mac filesystem shift in decades.
#news#apfs#high-sierra
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Mac OS X Public Beta Lets Users Try Aqua and Darwin for the First Time
Released September 13, 2000 for $29.95, the 'Kodiak' public beta gave Mac users their first hands-on look at Aqua, preemptive multitasking, and protected memory.
#news#macos#public-beta
Read more macOSNews 4 min read
The Apple T2 Chip Brought a Dedicated Security Coprocessor to the Mac
The T2, introduced in the 2017 iMac Pro and rolled out through 2018, took boot security, storage encryption, and other sensitive functions off the main CPU.
#t2-chip#security#hardware
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