Why Use a System Container Instead of a Docker App Container?

Why Use a System Container Instead of a Docker App Container?

If you can use Docker containers to host individual applications, why would you want to containerize an entire operating system inside a system container using a technology such as OpenVZ and LXD? ...
Reasons to Keep Using Virtual Machines Instead of Containers

Reasons to Keep Using Virtual Machines Instead of Containers

You already know which advantages containers offer over virtual machines (VMs). But what do they do that containers can’t? Here’s a summary of the benefits. Some Docker fans would have you believe ...
Docker Containers are Great, But They Add Complexity

Docker Containers are Great, But They Add Complexity

Docker increases app flexibility, but it also adds complexity in many ways. To migrate successfully to containers, you need to have a plan for handling that additional complexity. Docker adds flexibility because ...
The Benefits of Kubernetes, According to Red Hat

The Benefits of Kubernetes, According to Red Hat

Is Kubernetes the best orchestration tool? Red Hat thinks so. Here’s what Brian Gracely, Red Hat’s director of Product Strategy, had to say in a recent interview about its features and performance ...
Docker: Not Faster than VMs, but More Efficient

Docker: Not Faster than VMs, but More Efficient

Are containers faster than virtual machines? The answer may seem to be yes. But if you look closely, you realize that, although Docker does offer some important advantages in the realm of ...
5 Common Myths about Containers

5 Common Myths about Containers

Containers are faster. Containers work only on Linux. Containers are insecure. These are all examples of myths about Docker and other container platforms that continue to persist. Some of these misconceptions reflect ...
Testing LXD, Canonical's Container Hypervisor for Linux

Testing LXD, Canonical’s Container Hypervisor for Linux

Canonical is betting that LXD, which it calls the “pure-container hypervisor,” can beat VMware, KVM and other traditional hypervisors. To see for myself, I recently gave it a whirl. Here’s what I ...
SUSE Launches MicroOS CaaS Offering

SUSE Launches MicroOS CaaS Offering

SUSE, the enterprise Linux company, is the latest vendor to get into the containers-as-a-service (CaaS) game. The company announced a CaaS platform built around MicroOS, a new variant of SUSE Linux Enterprise ...
Containers Moving Beyond Servers

Containers Moving Beyond Servers

So far, containers have been used mostly to develop or deploy apps to servers—specifically, x86 servers. But containers have a future beyond the data center, too. From internet of things (IoT) devices, to ...
How Open is the Container Ecosystem?

How Open is the Container Ecosystem?

Docker is an open-source platform. But how open is the container ecosystem as a whole? That’s a question worth considering as organizations make plans to migrate to containers. To be sure, most ...