80 lines
1.6 KiB
Markdown
80 lines
1.6 KiB
Markdown
# Create
|
|
|
|
```bash
|
|
sudo virt-install \
|
|
--name Rocky_Linux_Dev \
|
|
--ram 4096 \
|
|
--vcpus 4 \
|
|
--os-type linux \
|
|
--os-variant rhel9-unknown \
|
|
--import \
|
|
--disk path=/mnt/KVM/linux.qcow2,format=qcow2 \
|
|
--network bridge=virbr0,model=virtio \
|
|
--graphics vnc,listen=0.0.0.0
|
|
```
|
|
|
|
# Info
|
|
|
|
```bash
|
|
virsh list # show running
|
|
virsh list --all # show all
|
|
virsh domstate Rock_Linux_9 # show single status
|
|
virsh dominfo Rock_Linux_9 # show single settings
|
|
```
|
|
|
|
# Manage
|
|
|
|
```bash
|
|
virsh start Rock_Linux_9
|
|
virsh reboot Rock_Linux_9
|
|
virsh shutdown Rock_Linux_9 # soft shutdown
|
|
virsh destroy Rock_Linux_9 # hard shutdown
|
|
virsh suspend Rock_Linux_9
|
|
virsh resume Rock_Linux_9
|
|
virsh save Rock_Linux_9 # save ram to state file
|
|
virsh restore Rock_Linux_9 # load ram from state file
|
|
virsh snapshot-create Rock_Linux_9
|
|
```
|
|
|
|
# Snapshots
|
|
```bash
|
|
virsh snapshot-create Rock_Linux_9
|
|
virsh snapshot-list Rock_Linux_9
|
|
virsh snapshot-revert Rock_Linux_9
|
|
virsh snapshot-delete Rock_Linux_9
|
|
virsh snapshot-edit Rock_Linux_9 # Edit snapshots for updating filepath
|
|
```
|
|
|
|
# Permissions
|
|
|
|
```bash
|
|
sudo chown -R libvirt-qemu:kvm /media/KVM
|
|
sudo chmod 750 /media/KVM
|
|
sudo chmod 640 /media/KVM/linux.qcow2
|
|
```
|
|
|
|
Options like `noexec`, `nosuid`, or `nodev` that might be restricting access.
|
|
|
|
```bash
|
|
mount | grep /media
|
|
```
|
|
|
|
# Convert disk in a new dynamic size disk
|
|
|
|
```bash
|
|
qemu-img convert -f qcow2 -O qcow2 -o preallocation=off old.qcow2 new.qcow2
|
|
```
|
|
|
|
# Free up space
|
|
|
|
```bash
|
|
dd if=/dev/zero of=/zerofile bs=1M
|
|
sync
|
|
rm -f /zerofile
|
|
sync
|
|
shutdown -h now
|
|
```
|
|
|
|
```bash
|
|
qemu-img convert -O qcow2 /original.qcow2 /compact.qcow2
|
|
``` |