How to make Changes on APFS root-Volume
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0.) start Terminal.App
1.) sudo mount -o nobrowse -t apfs /dev/disk2s5 ~/livemount
2.) cd ~/livemount
3.) make your changes..... ...... when ready:
4.) sudo kmutil install --volume-root ~/livemount --update-all
5.) sudo bless --folder ~/livemount/System/Library/CoreServices --bootefi --create-snapshot
6.) sudo umount ~/livemount
BUNGE-IT
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