Created
November 18, 2014 11:25
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One-liner to delete your oldest Time Machine backup
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| sudo tmutil delete "`tmutil listbackups | sed -n 1p`" |
In order to actually free up the space on your NAS or external HDD, you also need to run:
hdiutil compact "/Volumes/Time Machine/MY_COMPUTER.sparsebundle"With the actual path to your Time Machine .sparsebundle.
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This came in handy after adjusting the disk quota for TM backups on my NAS - I ran this repeatedly until my Time Machine backups were down to a reasonable size.