6/1/2023 0 Comments Apptrap big sur![]() This is basically a variation of converting an installer to ISO as discussed here, which you may have some familiarity with already. Mv ~/Desktop/MacBigSur.cdr ~/Desktop/BigSur.isoĪssuming you completed the steps properly, you should now have an ISO file called MacBigSur.iso on the Mac desktop. Finally, we change the file extension from.Hdiutil convert /tmp/MacBigSur.dmg -format UDTO -o ~/Desktop/MacBigSur.cdr ![]() Next, we’ll convert the freshly created MacOS Installer disk image file to a CDR / ISO file that will appear on the desktop:.When finished, we then unmount the disk image volume: Hit return and enter the admin password to authenticate, let this process complete as it makes the installer that will turn into the ISO.Sudo /Applications/Install\ macOS\ Big\ Sur/Contents/Resources/createinstallmedia -volume /Volumes/MacBigSur -nointeraction Now we’ll use the createinstallmedia utility that is part of the MacOS Installer application to copy the installer files to the disk image you just created:.Hdiutil attach /tmp/MacBigSur.dmg -noverify -mountpoint /Volumes/MacBigSur Hdiutil create -o /tmp/MacBigSur -size 12500m -volname MacBigSur -layout SPUD -fs HFS J ![]()
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