Linux系统中的磁盘加密，解密，配额及raid磁盘阵列和lvm

一、磁盘加密 fdisk /dev/vdb ##创设备 cryptsetup luksFormat /dev/vdb1 ##安装加密层 WARNING! This will overwrite data on /dev/vdb1 irrevocably. Are you sure? (Type uppercase yes): YES ##确定加密 Enter passphrase: ##密码大于8

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