How to expand Ubuntu VM root partition

In this post I have expanded the virtual disk of a Ubuntu VM via VirtualBox Media Manager. The OS inside the VM will not automatically use the additional space. In this post I will show how to expand the root partition to make use of the additional space.

There are multiple ways to expand a partition in Linux, in this post I will document how to do it using GParted.

Change the VM configuration to boot using Ubuntu installer.
Boot the VM using the Ubuntu ISO installer
Run GParted - in the warning dialog that says not all space is used, hit on the Fix button
Select the partition to resize and click Resize/Move partition button
Expand the partition to the desired size
The hit on Apply All Operations
Shutdown the VM, remove/detach ISO, then reboot the computer

.end.

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