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This question already has an answer here:

I have a lot of spare space in my hard disk. But the size of / partition is very small. Here is a snap of my partition table in Gparted,

enter image description here

How can I expand my / partition? Step by step description will be helpful.

marked as duplicate by karel, souravc, solsTiCe, Eric Carvalho, Pilot6 Sep 22 '16 at 10:04

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  • I think I would create a new partition in the large unused area, and install Ubuntu there. Possibly move system wide settings (like in the /etc directory) over from the old to the new system. – Jos Sep 21 '16 at 13:25
  • You can shrink /home then move it right to make room for empty space where you can later grow /. If shrinking /home is not an option, copy the partition into the empty space, then delete original copy (make backup !), and grow /. – solsTiCe Sep 21 '16 at 13:45
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From gparted live session ...

  • enlarge /home/ with the 411Gb unallocated
  • shrink /home/ and create unallocated space at the beginning of /home/
  • enlarge / with the unallocated space

When done ...

By the way: I myself have used a desktop with size of 10Gb for / and never ran out of space. You could also spend a little time investigating why it is growing. Maybe there is something to remove. Or files that should be on /home/. Log files that keep growing. Etc. 10Gb is a lot if you refrain yourself from installing anything you see. Also check software center for software you never use anymore. Got mysql installed because you wanted to check how a database works?

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what you could do, is: First, move your swap (using Gparted, I think you'll know how to)

then you have two options:
1. You could either lazy unmount your home folder through the terminal, by typing
- sudo umount -l /dev/sda8
- then refresh the partitions in Gparted,
- move your home folder, and then enlarge your /
I thought I'd heard this should be possible without unmounting, otherwise use the live usb

  1. to do the live USB: follow the instructions on the Gparted website
    • reboot with the USB inserted
    • repeatedly press F9 on startup, select USB in the boot menu and you should be able to do anything you want.
    • move your swap
    • move your home folder
    • resize your root partition
    • don't forget to execute
    • reboot back into linux
    • happy days :)

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