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First of all, I must say that I have successfully used Disk Utility in the past and thus I could rename my partitions.

But yesterday, I saw that my partitions are not mounted, so I used Storage Device Manager to make them to automatically mount at start up. That was a success also but I saw that the partitions are labelled as sda1 and sda7 not as they were initially. So I wonted to open again Disk Utility to rename them.

The problem is that, no matter how many times I try to open the application it just does't start at all! I don't know why it is doing this, as I have already told, I could use it in the past very well. I don't know if this "lack of reaction" of the application is the result of the actions I described before, or it is something else.

But I'm thinking of trying to start Disk Utility in terminal. Maybe I'll force it to run and solve the labelling problem. Do you have any ideas?

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Did you change your partitions, drive attachments to SATA, or USB ports, or did you make different setting in the BIOS before you device numbers had changed? –  Takkat Apr 20 '13 at 15:41
    
Hello! Sory to reply so late. No, I did not changed anything, especialy not in BIOS. At that time - when I have asked this question Ank Ubuntu - I was using an old HP desktop with a very weird BIOS. Apparently, the owner of the PC (it was not my PC) created a password for BIOS which he then forgotten, so I wasn't able to make any change in BIOS not even accidentally, because the "Exit and save" command wasn't working. –  Cristiana Nicolae Sep 30 '13 at 20:59
    
In case you still have this machine: you may be able to reset the BIOS password with a jumper on the Motherboard. Check with the manual. –  Takkat Oct 1 '13 at 6:18
    
Thanks for the tip! Yes, I still have that machine, my mother uses it. No, I'm afraid I'm not very good in doing that jumper thing although I do have some idea. But when is about BIOS I can't risk to be shallow. What manual you are talking about? Do you know where I can find it? Thanks! –  Cristiana Nicolae Oct 2 '13 at 20:39
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This is another major problem with ubuntu that still isn't solved. There is no easy way to launch disk utilities as root so you can actually mount disks... windows has had right click icon and run as administrator for over 10 years. –  Myforwik Jan 8 at 1:17
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4 Answers

The application behind "Disk Uitility" changed in newer release versions. Hence the terminal command to call them is as follows:

For >= 12.10

gnome-disks

For earlier versions including 12.04:

palimpsest

Renaming partitions can also be done with a command line tool (no need to install and run gparted):

Please note that the device and partition names /sda, resp. /sda1 ... /sdaX and /sdb /sdc .. do not depend on the disk label but are internal device numbers, depending on partition layout, SATA-port attachment, BIOS. To avoid confusion we have a unique UUID for each drive to mount it appropriately. This can be replaced by a label if needed.

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As an alternative from the disk utility you can use Gparted. It is the best tool partitioning and managing of them.

to install gparted in your PC type as

sudo apt-get install gparted

in your terminal.

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If it's Disk Utility (gnome-disk-utility) that you have, then you can launch the application's GUI using:

palimpsest &

Here's a screenshot of the utility: diskUtilitySnap

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Try to install Gparted:

sudo apt-get install gparted


Then, you can run it:

sudo gparted

You can also use gksudo instead of sudo

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