I need run a backup of the personal data from my MacBook Pro (native HDD) to an external HDD.

I have used this external drive to back up this internal drive previously via Time Machine.

I don't have GUI access due to an internal problem, but I have mounted the file system using the "single user mode" command line interface.

  • I don't think this will work in single-user mode, but it is worth a shot. /usr/bin/tmutil startbackup would be the simplest way to refresh the time machine backup. – Kent Jan 19 '17 at 6:46
  • 1
    Use the rsync command. – user3439894 Jan 19 '17 at 11:38
  • I second the rsync idea, see: apple.stackexchange.com/questions/14754/… – Anachronism Jan 19 '17 at 12:10
  • Cheers. Never used tmutil before. Why don't you think it'll work in single-user mode? I'll try it. I think it's the backend to the GUI application I've been using. If it's no good, I'll try rsync. – tjt263 Jan 19 '17 at 15:26
  • So, did tmutil work in single-user mode? Did you succeed with your goal? Either way, please answer your own question as others may have the same question (being in single-user mode or not). – Thomas Tempelmann Mar 10 '17 at 10:03

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