红帽全球峰会16.4.2. 使用 guestfish 修改文件
要修改文件，请创建目录或对客户机虚拟机进行其他更改，首先在本节的开头显示警告： 您的 guest 虚拟机必须关闭。使用 guestfish 编辑或更改正在运行的磁盘 将导致 磁盘损坏。这部分提供了编辑
/boot/grub/grub.conf 文件的示例。确定 guest 虚拟机已关闭时，您可以省略 --ro 选项以便通过命令获得写入访问权限，例如：
guestfish -d RHEL3 -i
Welcome to guestfish, the libguestfs filesystem interactive shell for
editing virtual machine filesystems.
Type: 'help' for help on commands
'man' to read the manual
'quit' to quit the shell
Operating system: Red Hat Enterprise Linux AS release 3 (Taroon Update 9)
/dev/vda2 mounted on /
/dev/vda1 mounted on /boot
><fs> edit /boot/grub/grub.conf
编辑文件的命令包括 编辑、vi s 和 emacs。还存在用于创建文件和目录的许多命令，如 write、mkdir、upload 和 tar-in。
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