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Singularity is a free and open-source computer program that performs operating-system-level virtualization also known as containerization. [4]One of the main uses of Singularity is to bring containers and reproducibility to scientific computing and the high-performance computing (HPC) world.
Some other products such as VMware and Virtual PC use similar approaches to Bochs and QEMU, however they use a number of advanced techniques to shortcut most of the calls directly to the CPU (similar to the process that JIT compiler uses) to bring the speed to near native in most cases.
[1] [2] It is also been reported that some of the apps have trouble utilizing packages like udisks2, Open vSwitch, Snort (software), and Mininet, due to new hardware or Android API restrictions on apps that have been put into place in the recent years.
Intel's Hardware Accelerated Execution Manager (HAXM) is an open-source alternative [15] to KVM for x86-based hardware-assisted virtualization on NetBSD, Linux, Windows and macOS using Intel VT. As of 2013 [update] Intel mostly solicits its use with QEMU for Android development. [ 16 ]
Vagrant is a source-available software product for building and maintaining portable virtual software development environments; [5] e.g., for VirtualBox, KVM, Hyper-V, Docker containers, VMware, Parallels, and AWS. It tries to simplify the software configuration management of virtualization in order to increase development productivity.
It also integrates out-of-the-box-tools for configuring high availability between servers, software-defined storage, networking, and disaster recovery. [ 17 ] Proxmox VE supports live migration for guest machines between nodes in the scope of a single cluster, which allows smooth migration without interrupting their services. [ 18 ]
OpenVZ (Open Virtuozzo) is an operating-system-level virtualization technology for Linux. It allows a physical server to run multiple isolated operating system instances, called containers, virtual private servers (VPSs), or virtual environments (VEs).
oVirt is a free, open-source virtualization management platform. It was founded by Red Hat as a community project on which Red Hat Virtualization is based. It allows centralized management of virtual machines, compute, storage and networking resources, from an easy-to-use web-based front-end with platform independent access.