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vault backup: 2025-07-22 22:14:08

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Awin Huang
2025-07-22 22:14:08 +08:00
parent 99f67788fc
commit 5d4e261181
202 changed files with 86 additions and 886 deletions
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38
21.01. Linux/fstab.md
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# 看磁碟UUID
```bash
sudo blkid
```
```result
/dev/mmcblk0p1: LABEL_FATBOOT="bootfs" LABEL="bootfs" UUID="62C9-51DB" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="bd53c125-01"
/dev/mmcblk0p2: LABEL="rootfs" UUID="2b2cb0b0-aa00-4bd0-b775-4abc1ff31eb2" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="bd53c125-02"
/dev/sda1: UUID="8bd933c6-2625-498f-84cf-0b1394aa3f5e" BLOCK_SIZE="4096" TYPE="ext4" PARTLABEL="Linux filesystem" PARTUUID="6e7fd2d9-1c28-4570-aae2-022f5345781f"
```
其中，`UUID="XXXXXXX....."` 這一串就是硬碟的UUID，複製下來，等一下要填到 `fstab` 裡面。
# `/etc/fstab`
打開 `/etc/fstab`，加入一行：
```config
UUID=8bd933c6-2625-498f-84cf-0b1394aa3f5e /extusb1/storj ext4 defaults,nofail 0 0
```
- `UUID=8bd933c6-2625-498f-84cf-0b1394aa3f5e`：指定要掛載的磁區是那一個
- `/extusb1/storj`：指定要掛載的目錄
- `ext4`: 指定要掛載的格式
- `defaults,nofail`：檔案格式參數區。`nofail` 是說要是掛載失敗不要產生錯誤訊息，避免因為硬碟壞掉而卡在開機畫面，造成開不了機。尤其是當你的電腦沒有螢幕、鍵盤的時候，會很麻煩。
- `0`：是否可以被 dump 指令備份 (0：不要做備份﹔1：要做備份﹔2：要做備份，重要度比 1 小)。
- `0`：是否於開機時以 fsck 檢驗磁區 (0：不檢驗﹔1：先檢驗﹔2：後檢驗)。如果是內接式的硬碟可以改成`0 1`。
# AWIN-PC2 的 fstab
```
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/disk/by-uuid/38cb80c1-504f-4b07-8a86-27e1c22b5deb / ext4 defaults 0 1
/dev/disk/by-uuid/A2D8-2DF1 /boot/efi vfat defaults 0 1
/swap.img none swap sw 0 0
UUID=be92f54f-e427-496e-83e9-a29643aa5af0 /lvm1 ext4 defaults,nofail 0 2
//192.168.1.11/share /media/share cifs credentials=/home/awin/.smbcredentials_shareview,defaults 0 0
//192.168.1.11/upload /media/upload cifs credentials=/home/awin/.smbcredentials_shareview,defaults 0 0
//192.168.1.11/Backup /media/backup cifs credentials=/home/awin/.smbcredentials_backup,defaults 0 0
//192.168.1.11/photo /media/nasphoto cifs credentials=/home/awin/.smbcredentials_photoMgr,defaults 0 0
```