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I installed Ubuntu on my HDD. The system created 2 partitions, one sda1 for GRUB and second sda2 for the system itself. The partition with the system has over 900GBi, and I would like to make it smaller as I need some space for another OS.

Is there any way to make this sda2 partition with Ubuntu OS smaller, even though there is already an operating system installed on it?

GPARTED screen

Zanna
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John Ronald
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1 Answers1

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Make sure that you have a good backup of your important Ubuntu files, as this procedure can corrupt or loose data.

Keep these things in mind:

  • always start the entire procedure with issuing a swapoff on any mounted swap partitions, and end the entire procedure with issuing a swapon on that same swap partition

  • a move is done by pointing the mouse pointer at the center of a partition and dragging it left/right with the hand cursor

  • a resize is done by dragging the left/right side of a partition to the left/right with the directional arrow cursor

  • if any partition can't be moved/resized graphically, you may have to manually enter the specific required numeric data (don't do this unless I instruct you to)

  • you begin any move/resize by right-clicking on the partition in the lower part of the main window, and selecting the desired action from the popup menu, then finishing that action in the new move/resize window

Do the following...

Note: if the procedure doesn't work exactly as I outline, STOP immediately and DO NOT continue.

  • boot to a Ubuntu Live DVD/USB
  • start gparted
  • right-click on /dev/sda2 and select resize
  • resize the right side of /dev/sda2 as far left as you wish to create unallocated space
  • click the Apply checkmark icon
  • reboot the computer
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heynnema
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