Introduction to Top Open Source Virtualization Tools

1

Ganeti

For Ganeti to work, virtualization software must be pre-installed on the servers. Once installed, it assumes management of the virtual instances; Ganeti handles startup, shutdown, OS installation, migration, disk creation, and can be used to preemptively relocate a VM off a physical machine that is failing. Ganeti can be used for both single-host management, like Xen Tools or Libyirt, and large-scale computing on an OpenStack level.

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2

Kernel Virtual Machine

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3

oVirt

oVirt is a virtualization solution used to manage/create virtual datacenters. oVirt manages storage options, virtualized networks, and virtual machines using interactive an easy to use web-based administration and user portal. oVirt supports several advanced virtualization features like live storage migration, high availability, and the ability to control and schedule the deployment of virtual machines.

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4

Packer

Packer is notably light, high performing, and operates on every major operating system. It assembles and configures all the necessary components for a virtual machine then creates images that run on multiple platforms. Packer doesn’t replace configuration management tools like Puppet or Chef; as a matter of fact, when creating images, Packer can utilize tools like Puppet or Chef to install applications onto the image.

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5

Vagrant

Vagrant has a differentiating feature – Vagrant Share that enables users to share their running Vagrant environment via the internet. This makes it easy to collaborate and share on development environments thus creating consistent working environments for teams of software developers using a virtual machine. Vagrant can also work alongside configuration management tools like Puppet and Chef.

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6

VirtualBox

VirtualBox is an open source cross-platform product that is currently under the stewardship of Oracle. VirtualBox is one of the veterans of the virtualization scene, and remains a lightweight and reliable virtualization tool that is easy to install and use.

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7

Xen

Xen is a hypervisor that started out as a Microsoft backed startup at the University of Cambridge and has now risen to become one of the best Linux hypervisors. The Xen Hypervisor is inserted between the server’s hardware and the operating system. This creates an abstraction layer that allows multiple guest operating systems to be concurrently executed on a single physical server. Xen is included with most popular Linux distributions like Fedora, RHEL, CentOS, Ubuntu, and Debian.

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