How do I change my UUID?

How do I change my UUID?

How do I change my UUID?

1. Changing UUID using tune2fs

  1. To be able to change the UUID of the filesystem, it must be umounted first. # umount /data.
  2. The tune2fs command allows the UUID to be changed using the -U flag.
  3. When modifying existing UUIDs, make sure to update any references to the old labels in fstab.
  4. Mount the filesystem back again.

How do I change the UUID of a LVM partition?

how to change uuid of lvm partition:

  1. create a rescue vm (same CentOS version your vm is running/template, that used to work fine/tested)
  2. power down the vm with the broken filesystem.
  3. clone the broken vm and name it “vmname-broken” (so you will get one consistent vdi virtualbox harddisk file, remove all the snapsnots)

How do I change the UUID of a partition?

Steps to create and assign disk partition UUID in Linux:

  1. Launch the terminal application.
  2. Generate UUID using uuidgen.
  3. Make sure the partition that you want to assign the UUID is not mounted.
  4. Run filesystem check on the partition.
  5. Assign UUID to partition using tune2fs.

How do I change the UUID for boot on cloned system?

4 Answers

  1. turn on your machine, and get to the GRUB menu.
  2. hit the e key to enter edit mode.
  3. use the arrow keys to locate “quiet splash”
  4. find the UUID=xxxx at the beginning of that same line.
  5. change the entire UUID=xxxx portion to /dev/sda1.
  6. control + x or F10 to continue to boot after the edit.

How do I change UUID on Mac?

BUT with disk util (this works on both linux & Mac:

  1. insert drive.
  2. select the gear and turn off auto mount.
  3. in the newly editable boxes Change “Display Name” and then select (from “mount as”) mount as UUID=foo.
  4. (optional) if needed re-enable auto mounting.
  5. reuse.
  6. (optional) modify fstab to re-enter the mix of drives.

How do I Regen my UUID?

Manually changing the UUID of a virtual machine

  1. Power off the virtual machine whose UUID you are going to change.
  2. Edit the virtual machine’s configuration file (. vmx ).
  3. Search the file for the line:
  4. Enter the new UUID in this format.
  5. Save and close the configuration file.
  6. Power on the virtual machine.

How do I update my UUID in fstab?

Procedure

  1. Log in to the BMS as user root.
  2. Run the cat /etc/fstab command to open the fstab file.
  3. Check the disk identifier in the fstab file.
  4. Run the vi /etc/fstab command to open the fstab file, press i to enter editing mode, and change the disk identifier to UUID.

Can UUID be changed?

The UUID is based on the physical computer’s identifier and the path to the virtual machine’s configuration file. This UUID is generated when you power on or reset the virtual machine. As long as you do not move or copy the virtual machine to another location, the UUID remains constant.

Does Apple device ID change?

Yes, resetting your iPhone will change its device ID. This is because all of your device’s settings and data are wiped clean when you reset it. Your device’s ID is also reset, so it will be assigned a new number.

How do I update fstab?

Updating the /etc/fstab file

  1. Use SSH to log in to your QRadar® host as the root user:
  2. Modify the etc/fstab file. Locate the existing mount information for the /store and /storetmp file systems. Remove the noauto option for the /store and /storetmp file systems.
  3. Save and close the file.