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'Error saving the server: Call to virDomainDefineXML failed: invalid argument: could not get preferred machine for /usr/bin/qemu-system-x86_64 type=kvm'. We might get an error when we want to run the virtual machine with vagrant up if there is no support for virtualization on our host system, e.g. vagrant ssh-config that will display SSH connection information if we want to connect to the machine without Vagrant.vagrant ssh that will connect to that machine and give us a remote command line session.vagrant destroy that will destroy the virtual machine (useful when we change the VagrantFile and want to recreate it again).vagrant halt that will stop the virtual machine.vagrant up that will instruct Vagrant to create and run the virtual machine.With the Vagrant configuration file in place, we can use some basic Vagrant commands to create and control the virtual machine: It should create a VagrantFile like this (note that I have removed all comments from the file that contain additional instructions): Vagrant. Let's use it to create a template for us: vagrant init generic/fedora33 We can write it from scratch or generate a template with vagrant init, specifying the image file. Vagrant uses a VagrantFile configuration file written in Ruby that contains instructions on setting up the machines, networks and so on.

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When we know what system we want to run, we can download a system image with vagrant box add: vagrant box add generic/fedora33 If you want to run something else, look for an image on Vagrant Cloud. I will use generic/fedora33 as I want to run a Fedora system. The first things we have to do is to download an image we want to run inside our virtual machine. More information about the Fedora virtualization packages can be found in Getting started with virtualization.

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To install virtualization support in Fedora, we can install the virtualization package group and start libvirtd service: sudo dnf install systemctl start libvirtd

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This is important for speed, otherwise we could alternatively use a software virtualization. Similarly for other computers, as most CPUs do support hardware virtualization. In case we are on Lenovo computers, we can use F1 during the boot to enter BIOS and enable the virtualization under the Security section. If nothing is printed, virtualization is not enabled in BIOS or the necessary kernel module is not loaded. On Linux systems we can check for Kernel Virtual Machine (KVM) support with: # check if virtualization is enabled in BIOS Next we need to make sure that virtualization is supported on our host system. Let's start by installing all the packages in Fedora: sudo dnf install ansible vagrant VirtualBox -y We will use VirtualBox because Vagrant can't virtualize machines on its own. The first thing that we have to do is to install Ansible, Vagrant and VirtualBox. The instructions provided here are for Fedora as I use it as my daily driver.

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This article is more about how to connect them together. Please read the documentation about these tools for more details, as I will assume that you have a basic knowledge of them. to develop automatic server provisioning and application deployment completely locally, on our development machine. When we use it together with Vagrant we can easily do the same in a local virtualized environment that can mimic the real one.īasically the motivation of the article is the ability for us to test Ansible playbooks locally in a separate, but similar environment to the one we target, e.g. We would typically use it to setup our servers and deploy our software in automated way. In a nutshell we can easily start and configure a virtual machine locally that mimics our server or other target environment for local development.Īnsible is a powerful automation tool mainly used for configuring and managing remote machines via SSH. The virtual machines can be run with different providers like VirtualBox and provisioned by software like Ansible. Vagrant can build and manage virtual machines in a reproducible way using a configuration file.

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