Created
March 25, 2019 01:22
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Deleting Old Time Machine backups
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Problem: | |
Time Machine backups accumulate until they fill the drive. | |
Solution: | |
1. Run "tmutil listbackups" from a shell and pipe the output to a file. | |
2. Use TextEdit pattern-based search and replace to quote each line of the file. | |
3. Select a subset of the file with a buffer of several years. | |
4. Open a terminal and run caffeinate to keep the computer from sleeping. | |
5. Open an interactive root shell with "sudo -i" | |
6. Use the following command to delete old backups. | |
cat /Users/$username/remaining_backups.txt | xargs -n 1 tmutil delete |
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