rescue # mount | grep -w /
/dev/vdb1 on / type ext3 (rw,relatime,discard,errors=remount-ro,data=ordered)
rescue # mount /dev/vdg1 /mnt
mount: special device /dev/vdg1 does not exist
rescue # mount /dev/vg01 /mnt
mount: special device /dev/vg01 does not exist
rescue #
怎么改 root密码啊