ramen and pickles

science, technology, and medicine served up with some tasty noodles

Local backups on Mac laptops are a drag on resources…

For those of you with a Mac Air or with a laptop with limited drive space, you might find this tip helpful. By default in Lion, Time Machine keeps a local backup of changes in between syncs, so you can end up with this huge file in /.MobileBackups. The point of this is for protection and document versioning on the go. However, this can be a big CPU (presumably battery life) and disk hog. Anyway, you can turn off this lovely “feature” by opening a terminal window and doing: sudo tmutil disablelocal

Ars Technica talks about this and other aspects of Lion:

http://arstechnica.com/apple/2011/07/mac-os-x-10-7/18/

The fix:

http://dear-apple.com/mobile-backups-are-taking-too-much-space-turn

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