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My Mac OSX is down, but the data on the hard disk is important to me. I boot the Mac from USB drive, in which Ubuntu is installed. How can I mount the Mac hard disk and get the data out of it?

I tried to use the command sudo fdisk -l to check the Mac hard drive, and then use sudo mount /dev/sda /mnt/xxx to mount the disk to /mnt/xxx, but it failed with the following system message:

mount: wrong fs type, bad option, bad superblock on /dev/sda,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.
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  • Is the problem solved? If not, maybe you should mount a partition, not the whole disk – like /dev/sda1 instead of /dev/sda.
    – Kamil Maciorowski
    Sep 7, 2016 at 23:28

1 Answer 1

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You need hfsprogs:

sudo apt-get install hfsprogs

Then:

sudo mount -t hfsplus -o ro /dev/sda /mnt/xxx

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  • Hi Gala, thank you so much for your kindly reply.
    – user634747
    Sep 4, 2016 at 10:13

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