macOS

Learn how to capture and analyze network traffic on macOS using the built-in tcpdump command, the pktap pseudo-interface, and Wireshark for deep packet inspection.

Learn how to configure both the macOS Application Firewall and the low-level pf packet filter to restrict inbound and outbound network access on macOS.

Learn how to create, sign, and deploy macOS configuration profiles (.mobileconfig) using Apple Configurator 2, iMazing Profile Editor, or hand-written XML.

Learn how to enable FileVault full-disk encryption on macOS using System Settings or the command line, manage recovery keys, and verify encryption status.

Learn how to set up NFS (Network File System) shares on macOS to share files and directories with Linux and other Mac workstations over the network.

Learn how to erase and reinstall macOS using Recovery Mode, including Apple Silicon, Intel T2, and Internet Recovery workflows plus Erase All Content and Settings.

Learn how to bind a Mac to Active Directory using System Settings and the dsconfigad command-line tool, configure mobile accounts, and troubleshoot Kerberos.

Learn how Login Items, LaunchAgents, and LaunchDaemons work on macOS, how to create plist files, and how to manage background services with launchctl.

Learn how to mount NFS shares on macOS using Finder, mount_nfs, the /net automounter, and persistent mounts via /etc/auto_master and /etc/auto_nfs.

Step-by-step guide to resetting the SMC and NVRAM on Intel and Apple Silicon Macs, including which procedure applies to each model and when to use it.

Learn how to share a printer from macOS using CUPS, enable the web interface, and connect Mac, Linux, and Windows clients over IPP on port 631.