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OpenVZ vs rkt: What are the differences?
What is OpenVZ? Open source container-based virtualization for Linux. Virtuozzo leverages OpenVZ as its core of a virtualization solution offered by Virtuozzo company. Virtuozzo is optimized for hosters and offers hypervisor (VMs in addition to containers), distributed cloud storage, dedicated support, management tools, and easy installation.
What is rkt? App Container runtime. Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
OpenVZ and rkt can be categorized as "Virtual Machine Platforms & Containers" tools.
Some of the features offered by OpenVZ are:
- A container (CT) looks and behaves like a regular Linux system. It has standard startup scripts
- Software from vendors can run inside a container without OpenVZ-specific modifications or adjustment
- A user can change any configuration file and install additional software
On the other hand, rkt provides the following key features:
- Composable. All tools for downloading, installing, and running containers should be well integrated, but independent and composable.
- Security. Isolation should be pluggable, and the crypto primitives for strong trust, image auditing and application identity should exist from day one.
- Image distribution. Discovery of container images should be simple and facilitate a federated namespace, and distributed retrieval. This opens the possibility of alternative protocols, such as BitTorrent, and deployments to private environments without the requirement of a registry.
rkt is an open source tool with 8.74K GitHub stars and 836 GitHub forks. Here's a link to rkt's open source repository on GitHub.
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Pros of rkt
Pros of OpenVZ
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Pros of rkt
- Security5
- Robust container portability3
- Composable containers2
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What is OpenVZ?
Virtuozzo leverages OpenVZ as its core of a virtualization solution offered by Virtuozzo company. Virtuozzo is optimized for hosters and offers hypervisor (VMs in addition to containers), distributed cloud storage, dedicated support, management tools, and easy installation.
What is rkt?
Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
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What companies use OpenVZ?
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What companies use OpenVZ?
What companies use rkt?
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What tools integrate with OpenVZ?
What tools integrate with rkt?
What tools integrate with rkt?
What are some alternatives to OpenVZ and rkt?
KVM
KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V).
Docker
The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere
OpenStack
OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, all managed through a dashboard that gives administrators control while empowering their users to provision resources through a web interface.
Xen
It is a hypervisor using a microkernel design, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was developed by the Linux Foundation and is supported by Intel.
Virtuozzo
It is an operating system-level server virtualization solution designed to centralize server management and consolidate workloads, which reduces overhead by reducing the number of physical servers required. Organizations use it for server consolidation, disaster recovery, and server workload agility.