To resize a virtual hard disk issue the following command:
qemu-img resize /path/to/disk.qcow2 +SIZE
qemu-img resize disk.qcow2 +20G
If gparted in not installed issue the following command.
sudo zypper install gparted
Use gparted to resize the partition.
Use fdisk to resize the partition by clicking here.
Mr. Arch Brooks, Software Engineer, Brooks Computing Systems, LLC authored this article.