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.. _libvirt:
***************************
Running on Libvirt Qemu/KVM
***************************
Libvirt is an open-source API, daemon and management tool for managing platform
virtualization. There are several ways to deploy VyOS on libvirt kvm.
Use Virt-manager and native CLI. In an example we will be use use 4 gigabytes
of memory, 2 cores CPU and default network virbr0.
CLI
===
Deploy from ISO
---------------
Create VM name ``vyos_r1``. You must specify the path to the ``ISO`` image,
the disk ``qcow2`` will be created automatically. The ``default`` network is
the virtual network (type Virtio) created by the hypervisor with NAT.
.. code-block:: none
$ virt-install -n vyos_r1 \
--ram 4096 \
--vcpus 2 \
--cdrom /var/lib/libvirt/images/vyos.iso \
--os-variant debian10 \
--network network=default \
--graphics vnc \
--hvm \
--virt-type kvm \
--disk path=/var/lib/libvirt/images/vyos_r1.qcow2,bus=virtio,size=8 \
--noautoconsole
Connect to VM with command ``virsh console vyos_r1``
.. code-block:: none
$ virsh console vyos_r1
Connected to domain vyos_r1
Escape character is ^]
vyos login: vyos
Password:
vyos@vyos:~$ install image
After installation - exit from the console using the key combination
``Ctrl + ]`` and reboot the system.
Deploy from qcow2
-----------------
The convenience of using :abbr:`KVM (Kernel-based Virtual Machine)`
images is that they don't need to be installed.
Download predefined VyOS.qcow2 image for ``KVM``
.. code-block:: none
curl --url link_to_vyos_kvm.qcow2 --output /var/lib/libvirt/images/vyos_kvm.qcow2
Create VM with ``import`` qcow2 disk option.
.. code-block:: none
$ virt-install -n vyos_r2 \
--ram 4096 \
--vcpus 2 \
--os-variant debian10 \
--network network=default \
--graphics vnc \
--hvm \
--virt-type kvm \
--disk path=/var/lib/libvirt/images/vyos_kvm.qcow2,bus=virtio \
--import \
--noautoconsole
Connect to VM with command ``virsh console vyos_r2``
.. code-block:: none
$ virsh console vyos_r2
Connected to domain vyos_r2
Escape character is ^]
vyos login: vyos
Password:
vyos@vyos:~$
If you can not go to this screen
.. code-block:: none
vyos login: vyos
Password:
Stayed in this stage. This is because the KVM console is chosen as the default boot option.
.. code-block:: none
Connected to domain vyos_r2
Escape character is ^]
Open a secondary/parallel session and use this command to reboot the VM:
.. code-block:: none
$ virsh reboot vyos_r2
Then go to the first session where you opened the console.
Select ``VyOS 1.4.x for QEMU (Serial console)`` and press ``Enter``
The system is fully operational.
Virt-manager
============
The virt-manager application is a desktop user interface for managing virtual
machines through libvirt. On the linux open
:abbr:`VMM (Virtual Machine Manager)`.
.. _libvirt:virt-manager_iso:
Deploy from ISO
---------------
1. Open :abbr:`VMM (Virtual Machine Manager)` and Create a new
:abbr:`VM (Virtual Machine)`
2. Choose ``Local install media`` (ISO)
.. figure:: /_static/images/virt-libvirt-01.png
3. Choose path to iso vyos.iso. Operating System can be any Debian based.
.. figure:: /_static/images/virt-libvirt-02.png
4. Choose Memory and CPU
.. figure:: /_static/images/virt-libvirt-03.png
5. Disk size
.. figure:: /_static/images/virt-libvirt-04.png
6. Name of VM and network selection
.. figure:: /_static/images/virt-libvirt-05.png
7. Then you will be taken to the console.
.. figure:: /_static/images/virt-libvirt-06.png
.. _libvirt:virt-manager_qcow2:
Deploy from qcow2
-----------------
Download predefined VyOS.qcow2 image for ``KVM``
.. code-block:: none
curl --url link_to_vyos_kvm.qcow2 --output /var/lib/libvirt/images/vyos_kvm.qcow2
1. Open :abbr:`VMM (Virtual Machine Manager)` and Create a new
:abbr:`VM (Virtual Machine)`
2. Choose ``Import existing disk`` image
.. figure:: /_static/images/virt-libvirt-qc-01.png
3. Choose the path to the image ``vyos_kvm.qcow2`` that was previously
downloaded . Operation System can be any Debian based.
.. figure:: /_static/images/virt-libvirt-qc-02.png
4. Choose Memory and CPU
.. figure:: /_static/images/virt-libvirt-03.png
5. Name of VM and network selection
.. figure:: /_static/images/virt-libvirt-05.png
6. Then you will be taken to the console.
.. figure:: /_static/images/virt-libvirt-qc-03.png
|
