mac OS Administration IN A POSTHIGH SIERRA WORLD

mac. OS Administration IN A POST-HIGH SIERRA WORLD MATT MANOUS YOUNG HARRIS COLLEGE MMANOUS@YHC. EDU

About YHC • Private, Methodist-affiliated liberal arts college • Baccalaureate institution for a decade • 1000+ students • 600+ Windows computers • 45 mac. OS computers

Timeline • 2007 – YHC purchases two Mac. Books • 2011 – Digital Arts Lab • 2013 – Tier II Mac support assigned to one technician • 2015 – Digital Arts Lab refreshed, IT gets management Macs • 2017 – Mac Technician departs • 2018 – Tier II Mac Support reassigned

High Sierra Changes • Improved Photos app • Improved Safari • H. 265 codec • Metal 2 • Phasing out 32 -bit apps (Mojave last to support 32 -bit) • Login Keychain behavior

High Sierra Changes

High Sierra Changes

mac. OS Server 5. 6 Changes • Supported in 5. 6 • Profile Manager • Open Directory • Xsan • Built-in to High Sierra • File Server • Caching Server • Time Machine Server Source: https: //support. apple. com/en-us/HT 208312

Imaging is Dead and Net. Boot Isn’t Doing Well • Deploy. Studio seemingly abandoned • Other free alternatives not as robust • Imagr • Restor • i. Mac Pros do not support Net. Boot

Provision a New Device Example DEP MDM Package Installs (Munki/MDM)

Apple School Manager

Redeploy mac. OS Example Restore mac. OS DEP MDM Package Installs Munki/MDM

mac. OS Restoration Methods Method Pros Cons Reinstall mac. OS (Command R) Easy Very Slow Does not remove user profiles Disk Utility (Command R) Easy/Fast Not Intuitive APFS Snapshot Easy/Very Fast SSD only Carbon Copy Cloner Fast? Commercial Software Deploy. Studio Fast Spotty High Sierra Support Dubious Future startosinstall script Supports Firmware Updates Supported by Munki, Imagr, and most MDMs. Have to Pre-stage Installer Slow

Reinstall mac. OS (Command R)

Disk Utility (Command R)

Disk Utility (Command R)

Disk Utility (Command R)

APFS Snapshot • tmutil snapshot • Can be done during Setup Assistant • Control Option Command T • To Restore • Command R during boot • Select Time Machine and restore the snapshot

Carbon Copy Cloner

Deploy. Studio & High Sierra • Mac with Sierra 10. 12. 6 • Deploy. Studio 1. 7. 8 • mac. OS Server 5. 3. 1 • Netboot Image built with 10. 13. 3 • Netboot Image delivered with HTTP instead of NFS • High Sierra HFS Image for HDD & Fusion Drives • High Sierra APFS Image for SSD • A Partition step in your workflow prior to the Restore step • Fusion Drives?

startosinstall usage /Applications/Install mac. OS High Sierra. app/Contents/Resources/startosinstall Arguments --applicationpath Path to the High Sierra installer --agreetolicense Automatically accepts license agreement --converttoapfs Choose whether to convert to APFS if SSD (removed in Mojave? ) --installpackage Installs distribution packages --eraseinstall Erase APFS boot volume before installing (New in 10. 13. 4+) --nointeraction Silent Install. Undocumented.

• Designed for Education • Free for single platform (i. OS or mac. OS) • $5. 50 per device per year | $14. 85 per device per 3 years • Intuitive User Interface • K-12 Target Audience • Potential use for student teachers • Frequent Updates

Mosyle Manager Demo

Mac Admin Free Tools • Imagr – command line based imaging • Restor – GUI based image creation and restoration • Auto. DMG – image builder • Auto. Pkgr – GUI form of Auto. PKG • Mac. User. Generator – creates a package or shell script for making local user accounts • Macdaddy Install Disk Creator • Crypt – File. Vault key escrow • Packages – package creation tool • Deploy. Studio – image, package, and script deployment • Munki – managed software installation