Engineering craft
macOS
Mac power-user skills.
- •150 XPSudo & Rootuid 0, the admin group, and the precedence rules that trip everyone up.
- •150 XPEncrypted VolumesFileVault, APFS volumes, encrypted DMGs, and encrypted externals — which protects what.
- •150 XPKeychain & the security CLIHow to store and fetch secrets from the login keychain from a script.
- •150 XPlaunchdHow Mac jobs actually run: plists, agents, daemons, and why cron is gone.
- •150 XPGatekeeper & Quarantinexattr com.apple.quarantine, notarization, and how macOS decides whether to run your download.
- •150 XPdefaults & plistsTweaking macOS through the preference database — and reloading so it sticks.