The procedure requires modifying the area allotted to the VM by using VirtualBox, matching the maximize on the host OS, and finally managing the unallocated room directly by means of the visitor OS. 1.3 Action 3: Modify Partitions in Guest OSĪctions to Maximize VirtualBox Disk Sizing.1.2 Action 2: Boost Allotted Room on Host OS.1 Actions to Maximize VirtualBox Disk Sizing.When you boot into Ubuntu and open the terminal, type df -h and you should see the newly added hard drive space. Alternatively, you can remove gparted if you want.ĩ) See the new changes in disk space. You want to start Ubuntu this time, not Gparted. The ‘Primary Master’ will be the iso which boots when you start a Virtual Machine. Change ‘VBoxGuestAdditions.iso’ to your ‘Primary Master’.

Select ‘Settings’ >Storage and change Gparted from ‘Primary Master’ to something else. In this example, the machine is called Ubuntu resize Dec1. make sure to run the operation.Ĩ) Now, go back to your list of Virtaulbox machines and select your Virtual machine. Make sure to run the operation.Ĭ) Select partition /dev/sda1 >Resize / Move > Make sure to run the operation.ī) Delete dev/sda2 extended partition from dev/sda > Select Apply. Now, here is where things get interesting because you want to increase the sda1 partition.Ī) Delete the Logical partition (swap) > Select Apply. When Gparted opens, you will see the new unallocated space. Just hit ‘Enter’ on the keyboard after selecting your options. A) Select you language and all that jazz, Enlish may be somthing like 02 and your ‘GUI’ view may be something like ‘0’.

Virtualbox increase disk size windows