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I would like to increase my Linux Mint partition (/dev/sda3) with Gparted through a live Ubuntu session. However, Gparted doesn't increase my Linux Mint partition even though it's not mounted and has swap off. I can increase my Windows partition (/dev/sda1) which is formatted as ntfs through Gparted. Is it possible to resize the Linux Mint partition through Gparted or will I need to use terminal commands?

Picture of my Partitions

Picture showing that /dev/sda3 can't be resized

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I'm guessing you'd be increasing the partition using some "empty" space on your partition? If you are resizing your windows partition, and it's right beside a linux one (/ or /home), you'd be in essence "moving" the start of that linux partition, could cause some headaches. Not unfixable headaches, but headaches nonetheless.

  • No I want to use the unallocated space (19.53 gigabytes) and increase the linux partition. – Amit Kulkarni Feb 11 '18 at 2:04
  • Nonetheless, you need to resize that partition from a live session, with that partition not mounted via fstab , etc. A mounted system can't be resized. – Zanthux Feb 11 '18 at 2:17
  • I'm running an Ubuntu 16.04 LTS live session and have /dev/sda3 unmounted link, but I still can't resize it. – Amit Kulkarni Feb 11 '18 at 2:28
  • This sounds like what you are wanting to do: <a href="ubuntuforums.org/showthread.php?t=931228"> – Zanthux Feb 11 '18 at 2:31
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Following is a quote from the GParted Manual that explains why partition sda3 cannot be increased in size:

To grow or move a partition, unallocated space must be available adjacent to the partition.

If you are growing a logical partition, then the unallocated space must be within the extended partition.

If you are growing a primary partition, then the unallocated space must not be within the extended partition.

You can move unallocated space to be inside or outside of the extended partition by resizing the extended partition boundaries.

For more details see GParted Manual - Resizing a Partition.

Note that if you move the start of a partition then as mentioned in the other answer you may need to restore the ability to boot. This is also described in the GParted Manual - Moving a Partition.

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