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I'm new to GParted. I have to resize a partition that contains the root file system which is full. Previously, I had Windows installed on my system. I use a 250GB hard drive and it was divided into three drives namely the C, D and E drive. After this, I installed Ubuntu and used the existing NTFS file system to install Ubuntu.

Now, I need to resize the partition mounted as the root file system because it is full.

Below is the screenshot of GParted:

GParted showing partitions

What should I do to increase the size of /dev/sda6 without any data loss?

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  • 1
    See this and this
    – Avinash Raj
    Commented Mar 7, 2014 at 17:32
  • @AvinashRaj I saw it . But, my root /dev/sda6 is locked I cannot unmount it, so what should I do to move the free space in /dev/sda3 to the right of /dev/sda6
    – user3004356
    Commented Mar 7, 2014 at 17:39
  • 3
    you have to boot from Ubuntu live disk.So that you can be able to resize your Ubuntu partition.Before resizing, make that the partition you want to be resized should be unmounted.See the full answer.
    – Avinash Raj
    Commented Mar 7, 2014 at 17:41
  • The main problem for you, as Avinash pointed out, is that you are trying to resize a mounted partition...since it is your root partition you cannot unmount it because your system is currently running off of it. So the answer provided kamil is in my opinion the fastest and simplest way to go.
    – Daniel W.
    Commented Mar 7, 2014 at 20:25
  • 1
    Possible duplicate of How to resize partitions?
    – David Foerster
    Commented Feb 7, 2018 at 22:15

1 Answer 1

Reset to default
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  1. Download the GParted Live CD ISO from here and burn it using Brasero.
  2. Boot from it. GRUB GParted screen
  3. Skip change of keyboard mapping. keymaps handling dialog
  4. To start up the default graphical environment Press Enter mode selection dialog
  5. GParted is now running. Running GParted
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  • 1
    This is a dangerous answer that doesn't address the 'how-to' of resizing root, and remapping the UUID is a critical part of that.
    – nullsteph
    Commented Aug 27, 2016 at 15:47
  • dangerous!! I think he knows what GParted is.
    – kamil
    Commented Sep 22, 2016 at 9:52

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