Side navigation has sections for Preferences, Deployment, Services, and Tools. MDS is organized into a side navigation panel and a main work area. This same process can be used for Macs that need to be re-setup either onsite or offsite. This can dramatically reduce setup time and result in large savings of time and labor costs. So in terms of time for technician interaction with the Mac, it takes just a few seconds to plug in the Automaton and the external drive, hold the option key to start the startup selector, and then return a few minutes later to disconnect the Automaton and external volume. Once this first reboot happens, the Automaton and external volume can be disconnected. The Mac will then proceed to erase the internal volume, copy the OS installer and packages to the Mac, and then reboot into the installer. The external drive (optional if using a web server) and Automaton are plugged into the Mac. The new Mac is unboxed and powered on with the option key held down. Using the Automaton and the resources created by MDS, a new Mac can be set up very quickly. To further automate the process, MDS can flash an Arduino to turn it into an MDS Automaton, which gives the keystrokes for automatically selecting the recovery partition and running the script. Once saved, the target Macs are booted to the recovery partition and a script is run from the disk image on the web server or directly from the external drive. The resources and workflows are saved to an external drive or to a disk image for copying to a web server. The resources are organized into workflows, which can be selected by the person setting up the Mac computers.
IMAGING A MAC WITH MUNKI INSTALL
MDS creates all the resources required to reinstall macOS and install software packages for enrolling in MDM. Finally, even if a Mac is enrolled in DEP, if it needs to be reset and is not able to contact the MDM server: the OS must be manually reinstalled, which can be a labor-intensive process. Older machines can only be enrolled in DEP if they were purchased via the correct channel. Apple also provides the Deployment Enrollment Program (or DEP) for initial setup and enrollment in an MDM service, but that requires both an organization be enrolled in DEP and all Macs purchased and enrolled in DEP. This is not difficult for an individual user, but for larger organizations or deployments, it can be cost prohibitive due to the time it takes for setup.
IMAGING A MAC WITH MUNKI MANUAL
Apple provides the ability to reinstall macOS from the recovery partition, but the installer must be downloaded during the install process, and many manual steps must be taken in the installer screens. MDS is based on the idea that you should be able to easily wipe and reinstall a Mac quickly and easily in an automated way.
This adds additional time for setup and configuration and reduces security if that security feature is not re-enabled after booting from an external volume. Recent Macs cannot boot from external volumes unless that security setting is disabled in the Startup Security Utility when booted to the recovery partition. The macOS installer has an optional feature to install packages after macOS has been installed. It also required an internet connection to check for firmware updates during the install process. Due to the number of Macs that did not have up-to-date firmware, Apple introduced software and firmware limitations that require macOS to be installed with an Apple-provided macOS installer. Previous versions of macOS and Mac hardware supported block-based imaging to deploy macOS and associated configuration and hardware. Recent Macs do not support NetBoot or booting to external drives for setup: MDS solves this problem by providing a mechanism for initially installing macOS and software packages via the recovery partition. MDS is a macOS application to create the resources needed to automate the install of macOS and initial software packages.
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