Open source virtualization news, help and research

Open source virtualization News

May 14, 2019 14 May'19
RHV 4.3 updates take backseat to container-native virtualization

Most new apps start in containers nowadays. However, certain legacy applications still don't work with containers. RHV 4.3 hopes to help bridge the gap.
May 15, 2018 15 May'18
Red Hat Virtualization 4.2 updates include UI and DR enhancements

The latest updates to Red Hat's virtualization platform enhance enterprise-grade features. But despite improvements, it's still not a VMware killer.
May 05, 2017 05 May'17
Red Hat Virtualization updates pave way for hybrid cloud, automation

Red Hat Virtualization 4.1 includes better integration with Ansible and CloudForms. Admins should get to know these and other RH products to better manage their environments.
September 17, 2015 17 Sep'15
Application containers continue data center invasion

For infrastructure and operations teams, the growth of application containers is both good news and bad.

Bring yourself up to speed with our introductory content

Ansible vs. Terraform vs. Vagrant: What's the difference?

Ansible, Terraform and Vagrant are common infrastructure automation platforms with specific use cases, benefits and drawbacks. But choosing a platform doesn't need to be confusing. Continue Reading
4 FAQs to help master KVM management

When it comes to managing KVM, admins should do their homework and research common questions to better understand the technology and ensure peak performance. Continue Reading
What are containers (container-based virtualization or containerization)?

Containers are a type of software that can virtually package and isolate applications for deployment. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

OpenShift Virtualization 2.5 simplifies VM modernization

Red Hat's OpenShift platform enables admins to take a phased approach to retiring legacy applications while moving toward a container-based environment. Continue Reading
QEMU 5.0 continues a legacy of emulation

Admins looking for an alternative tool for emulating hardware should consider QEMU, which supports x86, PowerPC, ARM and SPARC architectures. Continue Reading
An overview of Xen Cloud Platform components, features

Xen's open source product, XCP, enables admins to perform various virtualization operations, such as live migrations and VM lifecycle management. Continue Reading

Learn to apply best practices and optimize your operations.

A comprehensive guide to Open vSwitch and its capabilities

Distributed multilayer switches are essential to managing several network connections between VMs. Open vSwitch offers admins automated and dynamic network control for virtual systems. Continue Reading
Red Hat Virtualization 4.3 updates to Cockpit are minor, but beneficial

Cockpit hasn't seen many changes with the latest RHV 4.3 update, but it still provides beneficial capabilities, such as the ability create a VM from a template or migrate a VM to a different host. Continue Reading
Expedite Ansible KVM provisioning with automation

Creating KVM virtual machines with virsh and virt-install can be onerous. Use Ansible to automate deployment with templates and modules or to extend to functions like cloning. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

Compare the top 5 bare-metal hypervisors

Hypervisors such as VMware vSphere, Microsoft Hyper-V, Citrix Hypervisor, RHV and Oracle VM Server for x86 provide value to enterprise-level data centers in different ways. Continue Reading
KVM troubleshooting in six simple steps

To troubleshoot common KVM issues, start by checking the logs. Then, isolate the issue and check the VM status using virsh commands. Finally, check the disk space, memory and networking. Continue Reading
Expand KVM storage with virsh commands

With a few steps -- the creation of files, the addition of XML code and the execution of commands -- you can use the virsh command-line interface to add storage to existing VMs. Continue Reading