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| Install packages: | |
| # yum install -y libguestfs-tools qemu-img | |
| Create the target image | |
| # qemu-img create -f qcow2 target.qcow2 256G | |
| Expand the new image and resize the partitions | |
| # virt-resize --expand /dev/sda1 ubuntu.qcow2 target.qcow2 | |
| If CentOS, do xfs_growfs inside the VM after boot | |
| # yum install cloud-utils-growpart | |
| # growpart /dev/vda 1 | |
| # xfs_growfs /dev/vda1 |
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Used below commands on ubuntu qcow2 to resize the disk from inside the VM.
growpart /dev/vda 1
resize2fs /dev/vda1