redhat linux加密卷
创建dd if=/dev/zero of=/window/sda3/good/linux.iso bs=10M count=600
losetup /dev/loop0 /window/sda3/good/linux.iso
cryptsetup luksFormat /dev/loop0
cryptsetup luksOpen /dev/loop0 linux
mkfs.ext4/dev/mapper/linux
mount /dev/mapper/linux/window/good
挂载
losetup /dev/loop0 /window/sda3/good/linux.iso
cryptsetup luksOpen/dev/loop0linux
mount /dev/mapper/linux/window/good
卸载
umount /window/good
cryptsetup luksClose linux
开机自动挂载
a、vim /etc/fstab
/dev/mapper/linux/window/goodext4defaults 0 0
b、vim /etc/crypttab
linux/dev/loop0/root/cryptsetup/keyfile1luks
c、dd if=/dev/urandomof=/root/cryptsetup/keyfile1bs=4k count=1
d、cryptsetup luksAddKey/dev/loop0/root/cryptsetup/keyfile1
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