系統 | Linux 遷移 Home 家目錄
前兩天,把我的 Ubuntu 弄壞了(誤刪系統軟體,木有備份),沒能修復,決定重裝。裝的時候,腦袋短路,把 home 目錄和 / 目錄裝到一塊了!(T T) 對於我這種有強迫症的人來說,不能忍之!
今天我準備把它搞正常了。我的環境:
Ubuntu18.04LTS根目錄:/dev/sda2家目錄:/dev/sda9(但是現在在/dev/sda2)1. 使用 LiveCD 啟動,查看自己用的是哪塊硬碟,分區如何:
sudo fdisk -l
sudo mount /dev/sda9 /mnt
sudo cp -a ./myhome /mnt # 劃重點:『-a 參數必選,把目錄文件屬性等統統複製過去。
如果有其他用戶的家目錄,請仿造。
4. 查看 /dev/sda9 分區的UUIDsudo blkid # 從結果中找到/dev/sda9
輸出結果像這樣:
/dev/loop0: TYPE="squashfs"
...
/dev/sda9: UUID="f38380b3-ce84-4006-96fd-3374403872f5" TYPE="xfs" PARTUUID="9d779d77-06"
/dev/sda10: UUID="41007837-b4b7-447c-85ae-eff4cb9e0b77" TYPE="swap" PARTUUID="9d779d77-07"
...
sudo mkdir /mnt/root/ #在/mnt下創建一個根目錄的掛載點
sudo mount /dev/sda2 /mnt/root #掛載
cd /mnt/root/etc/
sudo vim ./fstab # 修改掛載點
#
# /etc/fstab: static file system information.
# # Use blkid to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
# # <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda2 during installation
UUID=1d1398af-e518-436b-a716-8ac2d60f7ba3 / xfs errors=remount-ro 0 1
# /home was on /dev/sda9 during installation
UUID=1d1398af-e518-436b-a716-8ac2d60f7ba3 /home xfs defaults 0 0
# swap was on /dev/sda10 during installation
UUID=41007837-b4b7-447c-83ae-eff4cb0e0b77 none swap sw 0 0
把home底下那一行,複製一行並注釋掉以備份,然後在原來的那一行上,把UUID修改為剛才你保存的那一串數字( /dev/sda9 的UUID),注意文件系統的格式也要一樣,常見的是xfs, ext4,其他的別動。
比如:# /home was on /dev/sda9 during installation
UUID=1d1398af-e518-436b-a716-8ac2d60f7ba3 /home xfs defaults 0 0
# swap was on /dev/sda10 during installation
#UUID=41007837-b4b7-447c-83ae-eff4cb0e0b77 none swap sw 0 0
UUID=f38380b3-ce84-4006-96fd-3374403872f5 none swap sw 0 0
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