[Bglug] Mac2Lin Part 1 - freeing my files

[LP]

 *" I got the GUI screen asking me to login, which actually happens before
the mac mounts the encrypted filesystem."*

So you still had to decrypt using, Name / passwd.





On 27 July 2016 at 22:44, Andrew Howlett <andrew at howlett.net> wrote:

> warning - this part is all about mac os x, so you might want to skip it.
>
> My macbook died. At first I thought the hard drive had crashed, so I tried
> putting another hard drive in my mac - didn't work. Tried putting my hard
> drive in my daughter's macbook (same model) - sorta worked. My daughter's
> macbook would boot, ask for my password, start loading the operating
> system, then turn itself off. I suspect some system files had been
> corrupted. So could not boot this drive using the normal procedure even on
> a good Mac.
>
> Now normally i could connect the macbook's HD to my linux server using a
> USB dock, mount the HFS+ filesystem and read all my macbook files off the
> drive. Linux works great with HFS+. But I had done something very dumb. I
> had enabled Macbook File Vault encryption. This is a proprietary disc
> encryption used by apple to secure their hard drives. Only a mac can
> decrypt it. If I can't boot from the drive on Apple hardware, then the only
> option would be to restore from a Time Machine backup which is about two
> weeks old. I don't want to lose two weeks of work. So I need to find a way
> to boot this drive in a Mac.
>
> I tried to boot my daughter's macbook with my hard drive in single user
> mode. This is accomplished by holding down the CMD and S keys when the
> macbook "chimes" on boot. (The CMD key is like the windows key on a Mac.) I
> got the GUI screen asking me to login, which actually happens before the
> mac mounts the encrypted filesystem. Entered username and password. The
> macbook switched back into text mode, booted up and i'm looking at a text
> console on the macbook, like booting linux in text mode.
>
> Operating mac os x from the command line is just like linux. Actually, it
> is just like BSD because mac is based on bsd. Macbooks are VERY gui. So it
> feels strange to do stuff CLI on macbook using commands like mount. Also,
> important system directories are not in the PATH, so need to change to use
> full path. First, by default single user mode mounts the root filesystem as
> read only, so have to change to read/write:
>
> /sbin/mount -uw /
>
> next make a directory for a mount point
>
> mkdir /Volumes/usb
>
> then mount the usb-dock with external hard drive
>
> /sbin/mount_hfs /dev/disk2s1 /Volumes/usb
>
> and now rsync the plaintext files to an unencrypted hfs+ filesystem on the
> external drive
>
> rsync -av /* /Volumes/usb
>
> It took seven and a half hours to copy 800GB of files to the external
> drive. When it was done I was free of the macbook.
>
>
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