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Shut down Ubuntu, remove the first USB drive (this USB drive is no longer needed) and reboot from the second USB drive. Select file system “ext4“ and label casper-rw and click Add.Ĭheck if everything looks OK and click on the green check mark to apply all pending operations. Select the unallocated partition and right click on New. Now create a new partition for the persistent storage. This will leave some space to store additional or updated files. Right-click on the partition and select Resize/Move. You will notice that the Mount Point is no longer displayed. Right-click on the partition and select unmount. Refresh GParted ( Ctrl+ R) and notice the change in "Used". Open a terminal window ( Ctrl+ Alt+ T) and remove the persistent file with the following command (adjust this command if the mount point is different in your case): rm -v /media/ubuntu/UUI/casper-rw Select this device (see example picture below, the device name can be different on your system).Ĭheck that the mount point ( /media/ubuntu/UUI) is identical as in above picture. Check that the size matches with the target USB drive. You will notice that a new device is added at bottom of the list of devices. Insert the other USB drive, wait a short moment and do a refresh in GParted ( Ctrl+ R).

This partition manager is default installed in 13.10. Start "GParted Partition Editor" from the Ubuntu Dash. Make sure the other USB drive is unplugged. Storage of around 100 MB for each of the USB drives.īoot Ubuntu from one of the USB drives. For the instructions below I used "32 bit Ubuntu 13.10 desktop" version. There is one complication, though: you need another Ubuntu system to do this because Ubuntu cannot modify its own active boot partition. The persistent file can simply be deleted and at the next boot, the Ubuntu system will automatically use the bigger persistent partition. I used the GParted partition manager to resize the FAT32 partition and make space for a big EXT4 partition for the persistent storage. The size of such a partition is only limited by the size of the USB drive. To have more persistent storage, this file can be replaced by a partition. This boot partition is formatted with FAT32 and because of limitations in FAT32, the maximum size of this file is 4GB.

Universal USB Installer from ) create a persistent file on the boot partition together with the other files needed for booting.