Proxmox Virtual Environment
Proxmox Virtual Environment (Proxmox VE; short PVE) is an open-source server virtualization environment. It is a Debian-based Linux distribution with a modified Ubuntu LTS kernel and allows deployment and management of virtual machines and containers. Proxmox VE includes a Web console and command-line tools, and provides a REST API for third-party tools. Two types of virtualization are supported: container-based with LXC (starting from version 4.0 replacing OpenVZ used in version up to 3.4, included), and full virtualization with KVM. It comes with a bare-metal installer and includes a Web-based management interface.
Proxmox VE 4.4 administration interface screenshot
|Developer||Proxmox Server Solutions GmbH|
|Source model||Free and open source software|
|Initial release||15 April 2008|
|Latest release||6.1 / December 4, 2019|
|Kernel type||Monolithic (Linux)|
|Default user interface||Web Based|
|License||Affero General Public License|
Development of Proxmox VE started when Dietmar and Martin Maurer, two Linux developers, found out OpenVZ had no backup tool and no management GUI. KVM was appearing at the same time in Linux, and was added shortly afterwards. The first public release took place in April 2008, and the platform quickly gained traction. It was one of the few platforms providing out-of-the-box support for container and full virtualization, managed with a Web GUI similar to commercial offerings.
Proxmox VE is a powerful open-source server virtualization platform to manage two virtualization technologies - KVM (Kernel-based Virtual Machine) for virtual machines and LXC for containers - with a single web-based interface. It also integrates out-of-the-box-tools for configuring high availability between servers, software-defined storage, networking, and disaster recovery.
KVM & Container Virtualization
Since version 2.0, Proxmox VE offers a high availability option for clusters based on the Corosync communication stack. Individual virtual servers can be configured for high availability, using the Red Hat cluster suite. If a Proxmox node becomes unavailable or fails the virtual servers can be automatically moved to another node and restarted. The database- and FUSE-based Proxmox Cluster filesystem (pmxcfs) makes it possible to perform the configuration of each cluster node via the Corosync communication stack.
At least since 2012, in an HA cluster, live virtual machines can be moved from one physical host to another without downtime. Since Proxmox VE 1.0, released 29.10.2008 KVM and OpenVZ live migration is supported.
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