参考能够搜到的大多数文献挂载步骤，导致无法开机。可怕的是基本没有如何跳出该问题的方法。 这里记录一下问题，和解决方法

格式化 sudo fdisk -l

/dev/sda2

sudo blkid /dev/sda2: LABEL=“MyFiles” UUID=“faaea155-d859-43a1-ba05-46c62406fa08” TYPE=“ext4” PARTUUID=“7e43c0a8-02”

sudo umount /dev/sda2 sudo mkfs -t ext4 /dev/sda2 df -kh

更改/etc/fstab #UUID=faaea155-d859-43a1-ba05-46c62406fa08 /dev/sda2 /home/x/1st_disk ext4 default 0 2

sudo mount /dev/sda2 /home/x/1st_disk

sudo mount -a df -kh sudo chmod 777 -R /home/x/1st_disk

发现重开机无法找到硬盘，造成无法开机！！！

grub中进入recovey mode 把/etc/fstab改回去就行

https://blog.csdn.net/ahuabupt/article/details/23464507?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-22.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-22.nonecase https://blog.csdn.net/qq_20732247/article/details/90141752?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-2.nonecase https://blog.csdn.net/stoic163/article/details/79401739