2.1 KiB
2.1 KiB
Virsh
Virtual Machine Management
Before you Begin
- Add yourself to the
qemuandlibvirtgroups:usermod -aG libvirt,qemu ducoterra - Change the images ownership to qemu:
chown -R qemu:qemu /var/lib/libvirt/images - Change the iso ownership to qemu:
chown -R qemu:qemu /var/lib/libvirt/iso - Allow group write access to images:
chmod 770 /var/lib/libvirt/images - Allow group write access to iso:
chmod 770 /var/lib/libvirt/iso - Tell virsh to connect to your root system rather than your user:
export LIBVIRT_DEFAULT_URI='qemu:///system'
VM Details
# Show node info
virsh nodeinfo
# List OS variants
osinfo-query os
# List all current machines
virsh list --all
Creating VMs
If you have an osbuild image you can run
sudo systemctl start osbuild-composer.socket
composer-cli compose list
composer-cli compose image --filename /var/lib/libvirt/images/fedora-42-test.qcow2 image-uuid
now to have a qcow2 available during install.
# `--location /path/to/image.iso` supplies a disk installer. (Remove `--import`)
# `--import` skips the installation process.
# `--graphics spice --video qxl --channel spicevmc` installs graphics
# `--console pty,target.type=virtio` adds a console connection
# For any command, use `virt-install --arg=?` to see all available options
virt-install \
--name fedora42-test \
--description "Test VM with Fedora42" \
--cpu host-model --vcpus sockets=1,cores=8,threads=2 \
--ram=8192 \
--os-variant=fedora41 \
--import --disk path=/var/lib/libvirt/images/fedora-42-test.qcow2,bus=virtio \
--network bridge:virbr0 \
--graphics none \
--console pty,target.type=virtio
# Connect to console VM
virsh console fedora42-test
# Connect to graphical VM
virt-viewer --wait fedora42-test
# Get leased IP Addresses for the default network
virsh net-dhcp-leases default
# Reboot a VM
virsh reboot <domain>
# Shutdown a VM
virsh shutdown <domain>
# Force shutdown a VM
virsh destroy <domain>
# Remove a VM
virsh undefine <domain>
# Remove a VM including storage
virsh undefine <domain> --remove-all-storage