模擬 Linux 檔案系統壞掉，或找不到 /

[root@cacti ~]# vim /boot/grub/grub.conf

title CentOS (2.6.18-194.el5)

root (hd0,0)

# kernel /vmlinuz-2.6.18-194.el5 ro root=LABEL=/

kernel /vmlinuz-2.6.18-194.el5 ro root

initrd /initrd-2.6.18-194.el5.img

開機後會顯示出：kernel panic - not syncing：Attempted to kill init!

於開機選單輸入：a

grub append> ro root=LABEL=/

進入系統後，再修改grub.conf