Containers and virtualization

Containerization software is taking over across the IT industry as the new favored IT infrastructure, as it enables high-speed and high-efficiency platform and software performance. Learn about the technology, its leading tools and how to use it from experts.

August 11, 2022 11 Aug'22
Sigstore co-creator talks GitHub, Kubernetes and next steps

Dan Lorenc reflects on a whirlwind year for his open source project, now officially incorporated into Kubernetes and GitHub's npm registry, and his plans for the year to come.
August 11, 2022 11 Aug'22
Researchers reveal Kubernetes security holes, prevention

Researchers with Palo Alto Networks took the stage at Black Hat to explain how configurations and system privileges in Kubernetes clusters can allow container escape and takeover.
July 26, 2022 26 Jul'22
Mirantis Kubernetes deployment buy ups DevOps platform ante

The Mirantis Lens IDE will integrate the Lagoon Kubernetes deployment project to provide a self-service DevOps platform alternative with no developer Kubernetes training required.
July 14, 2022 14 Jul'22
New Red Hat CEO faces hybrid cloud challenges

Matt Hicks, now Red Hat CEO, and newly appointed Chairman Paul Cormier discuss the links between open source security and sustainability and Red Hat's hybrid cloud mission.

Bring yourself up to speed with our introductory content

Is Kubernetes a hypervisor? How do they differ?

Kubernetes, on the surface, appears to perform the same task as a hypervisor. Does that make Kubernetes a hypervisor? The short answer: No. Let's clarify why it's not. Continue Reading
Secure your infrastructure against VM ransomware

More hackers are using VMs as an access point to install and deploy encrypted ransomware. Make sure your security strategy includes prevention, response and analysis. Continue Reading
distributed applications (distributed apps)

Distributed applications (distributed apps) are applications or software that run on multiple computers within a network at the same time and can be stored on servers or cloud computing platforms. Continue Reading

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

Compare Docker vs. Podman for container management

Docker and Podman offer similar capabilities to manage containers, but Docker's security vulnerabilities might make Podman more appealing for some admins. Continue Reading
Tanzu vs. OpenShift vs. Ezmeral: 3 rivals' Kubernetes offerings

Learn how container management products from VMware, Red Hat and Hewlett Packard Enterprise compare when it comes to their overall Kubernetes strategies. Continue Reading
What is network virtualization? Everything you need to know

Network virtualization is a method of combining the available resources in a network to consolidate multiple physical networks, divide a network into segments or create software networks between VMs. Continue Reading

Learn to apply best practices and optimize your operations.

Docker's rootless mode a welcome security update

Docker containers have root privileges by default -- a known security issue for several years. Now Docker's rootless mode separates containers from underlying infrastructure. Continue Reading
Address Hyper-V VM network issues for peak performance

Microsoft Hyper-V can sometimes experience poor network performance or connectivity problems. When that happens, there are several things you can do to resolve the problem. Continue Reading
A beginner's guide to Hyper-V checkpoints

Hyper-V checkpoints help mitigate problems with upgrade rollouts. They can pile up, so they require some storage space and management. Continue Reading

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

What to do when a VM is compromised

When security incidents arise -- and they will -- IT administrators can restore, reset or completely wipe VMs to return them to health and get them back into production. Continue Reading
How to tackle container orchestration challenges

Container orchestration brings many benefits, like improved productivity and security, but before those advantages can be realized, IT teams must overcome several hurdles. Continue Reading
Boost Docker API security to protect ports

Unguarded Docker APIs can let in unwanted visitors and expose data to hackers. To shield your Docker environment, follow these best practices -- and avoid common pitfalls. Continue Reading