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YannMoisan/gist:d29b0d3defbac75965c2a52615ec5aae

Created July 9, 2016 11:47
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Encrypt an external drive
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gistfile1.txt
Context : Encryption of an external drive that need to be accessed from OSX and Linux
The drive has an existing NTFS partition
I use veracrypt. It's open source, and seems to be the de facto standard nowadays.
On OSX, I installed OSX Fuse.
I create a volume within the partition, and the problems begin with the choice of the filesystem.
Firstly, this choice depends on the OS from which I create the volume :
- From OSX, I can choose HFS+
- From Linux, I can choose Linux Ext2, Ext3, Ext4, NTFS and exFAT
Now let's go through the result of my tests :
- with HFS+, R/W works from OSX, but write doesn't work from Linux
- with ext4, R/W works from Linux, but can't mount on OSX (error: hdiutil: attach failed, no mountable file systems)
- with NTFS, R/W works from Linux, but can't write from OSX (I may need to install ntfs-3g)
- with exFAT, R/W works from Linux, and R/W works from OSX. Eureka !
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