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spvkgn/gist:a5412912ecb731af544a49b0f85acf2c

Last active June 24, 2017 08:44
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Add random keyfile to existing LUKS device
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gistfile1.txt
sudo dd if=/dev/urandom of=/root/keyfile bs=1024 count=4
sudo chmod 0400 /root/keyfile
sudo cryptsetup luksAddKey /dev/sdX /root/keyfile
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