Making ISO images of MacOS installers
Posted by jpluimers on 2019/12/06
For my link archive:
- [WayBack] How to create a Bootable ISO image of macOS 10.13 High Sierra installer – Tyler Woods
Normally you can’t obtain bootable media of macOS. OS X was a different story, but also you had to pay for those versions. As an owner of a MacBook Pro, it’s slightly unsettling that I …
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hdiutil create -o /tmp/HighSierra.cdr -size 5200m -layout SPUD -fs HFS+J hdiutil attach /tmp/HighSierra.cdr.dmg -noverify -mountpoint /Volumes/install_build sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build mv /tmp/HighSierra.cdr.dmg ~/Desktop/InstallSystem.dmg hdiutil detach /Volumes/Install\ macOS\ High\ Sierra hdiutil convert ~/Desktop/InstallSystem.dmg -format UDTO -o ~/Desktop/HighSierra.iso mv ~/Desktop/HighSierra.iso.cdr ~/Desktop/HighSierra.iso
- [WayBack] HOW TO: Create a bootable High Sierra ISO for VMware – Multi-booting and Virtualisation – InsanelyMac Forum
If you want it on USB in stead, the steps are simpler (the link below also links to other OS X and MacOS versions):
If you do not have the full ~5 gigabyte install, then:
- [WayBack] How to Download a Full macOS High Sierra Installer App
Many Mac users who are attempting to download macOS High Sierra from the Mac App Store will find that a small 19 MB version of “Install macOS High Sierra.app” downloads to the /Applicat…
–jeroen
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