ducoterra
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60 lines
1.6 KiB
Markdown
60 lines
1.6 KiB
Markdown
# QEMU
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- [QEMU](#qemu)
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- [QCOW2](#qcow2)
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- [QCOW2 Snapshots](#qcow2-snapshots)
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- [Convert qcow to bootable drive](#convert-qcow-to-bootable-drive)
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- [Convert bootable drive to qcow](#convert-bootable-drive-to-qcow)
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- [ISO](#iso)
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- [ISO Access Denied on Boot](#iso-access-denied-on-boot)
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## QCOW2
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QCOW2 (KVM, Xen) qcow2
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QED (KVM) qed
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raw raw
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VDI (VirtualBox) vdi
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VHD (Hyper-V) vpc
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VMDK (VMware) vmdk
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### QCOW2 Snapshots
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```bash
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# Create a snapshot
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qemu-img snapshot -c snapshot-name /var/lib/libvirt/images/vm-image.qcow2
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# List snapshots for a given image
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qemu-img snapshot -l /var/lib/libvirt/images/vm-image.qcow2
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# Restore snapshot
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qemu-img snapshot -a snapshot-name /var/lib/libvirt/images/vm-image.qcow2
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```
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### Convert qcow to bootable drive
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```bash
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qemu-img convert -f qcow2 -O raw /var/lib/libvirt/images/vm-image.qcow2 /dev/sdb
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```
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### Convert bootable drive to qcow
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```bash
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dd if=/dev/sda of=/home/ducoterra/Downloads/toshiba.raw conv=noerror,sync,notrunc,sparse status=progress
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qemu-img convert -f raw -O qcow2 -p /dev/sdd /var/lib/libvirt/images/toshiba.qcow2
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```
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If you need to resize a windows partition to non-continuous space simply grow the
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last partition, shrink it to the end of the drive, then grow the windows partition
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with gparted.
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## ISO
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```bash
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pacman -S cdrtools
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mkisofs -r -iso-level 4 -l -o /tmp/arch-files.iso ./arch
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```
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## ISO Access Denied on Boot
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Turn off Secure Boot in the VM. Bios -> Device Manager -> Secure Boot Configuration -> Uncheck Attempt Secure Boot
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