Resize root partition in GParted

Question

I installed Ubuntu and during installation I formatted all the hard disk by mistake. Now I am trying to partition it (with GParted), but for some reason I can't, when I click on resize, the size of the partition is not editable. I think I should've partitioned it before the installation. Here is a snapshot from GParted.

Do I have to reinstall Ubuntu?

Could you please add a little more detail? What exactly did you do, what did you want to achieve and what happened instead? Did you encounter any warning or error messages? Please reproduce them in their entirety in your question. (see How do I ask a good question?) — David Foerster, Sep 13 '16 at 08:50

score 2 · Accepted Answer · answered Sep 13 '16 at 09:10

2

You cannot resize a mounted ext* partition. Boot the Ubuntu installer disk, choose Try Ubuntu and run GParted without mounting your hard disk.

answered Sep 13 '16 at 09:10

Melebius

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Resize root partition in GParted

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