基本工作系统详细信息：
我使用 Ubuntu 12.04 服务器 CD 安装服务器。
我有 4 个磁盘。在所有磁盘上，我执行了以下操作，类似于此操作方法：
我将引导格式化为 ext3。我在根分区和大分区上设置了 RAID10。我将根目录格式化为 ext4。我在大卷上创建了一个逻辑卷，并将其格式化为 ext4。
生成的系统运行良好，启动正常。
问题详情：
然后我决定记录一个失败的过程。作为第一步，我决定重新安装 grub。
# grub-install /dev/sda
warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
error: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use …我有一台我网络安装的机器，设置了德语键盘，但它忽略了我的设置，并且安装了美式键盘。我确定我设置了它，因为如果我不设置它，它会以交互方式询问，但我想要无人值守安装。
这是 Ubuntu 12.04.3
所以现在之后，我想编写一个修复程序以使其成为德语键盘。
因此，首先我在一台机器上以交互方式设置设置，然后读取设置以查看它们的值，然后在另一台机器上，我设置选项：
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/altgr select The default for the keyboard layout"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/compose select No compose key"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/ctrl_alt_bksp boolean false"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/layoutcode string de"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/layout select German"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/modelcode string pc105"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/model select Generic 105-key (Intl) PC"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/optionscode string "
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/store_defaults_in_debconf_db boolean true"
debconf-set-selections <<< "keyboard-configuration keyboard-configuration/switch select No temporary switch"
debconf-set-selections <<< …