<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div id="yiv1975001250"><div><div style="color:#000;background-color:#fff;font-family:times new roman, new york, times, serif;font-size:12pt;"><div> 我修复grub时，用ubuntu引导盘进入live ubuntu</div><div>1、执行</div><div>mount /dev/sda5 /mnt/sda5 </div><div>chroot /mnt/sda5 <br></div><div>grub-install grub-install /dev/sda</div><div>显示</div><div>/usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?). 什么意思？</div><div><br></div><div>后来改了2、执行<br>grub-install --root-directory=/mnt/sda5 /dev/sda<br>然后又成功，这两个命令有什么区别？<br></div></div></div></div></div></body></html>