Uuid Label

Once I wanted to retrieve the partition corresponding to one of my UUID in /etc/fstab, I used this command :


This command can find for you a partition by only specifying the UUID/ label you had, really useful sometime !
By instance, let's find a partition that have a UUID of :


it can be done with :

# findfs UUID=b601aae5-48ae-4832-83ac-210d587d1ea9

It's the same for label :

# findfs label=my_label

And if you want to see if a partiton has label, let's execute this partition :

# e2label /dev/sda1

If :


has any label, it will show you directly. Otherwise you will get something like that :

e2label: Bad magic number in super-block while trying to open /dev/sda1
Couldn't find valid filesystem superblock.

There is also some other command that you can try to play with :

  • vol_id
  • tune2fs
  • blkid
  • ntfslabel
  • mlabel
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