Server Administration & Management

How to find UUID of devices in Linux

This trick is for those who deal with many removable devices, with every device changing its name after you restart your systm. The solution is to mount devices by using their UUIDs (Universally Unique Identifier)

# blkid

/dev/sda1: UUID=”0bd49e6e-6692-410e-8408-5353905f5c42″ TYPE=”ext4″
/dev/sda2: UUID=”cea4d6d2-d624-4193-9576-67ec27b15796″ TYPE=”ext4″
/dev/sda3: UUID=”3b00985c-cf8d-4b87-be92-74186d0a2dcb” TYPE=”ext4″
/dev/sda5: UUID=”79b4e73d-d40d-428b-86a8-930506d86d8d” TYPE=”swap”

Which will show the UUIDs of devices, Now you can make an entry in the “/etc/fstab” file to avoid any problems.
This tip can also be applied in case of SAN storage, where every Logical Unit Number (LUN) needs to be mounted.

June 20, 2014 Posted by | Tips & Tricks, Unix/Linux | , , | Leave a comment