Christopher Tozzi has covered technology and business news for nearly a decade, specializing in open source, containers, big data, networking and security. He is currently Senior Editor and DevOps Analyst with Fixate.io and Sweetcode.io.
Docker’s Big Differentiator from VMs: Density
What makes Docker containers so popular and more attractive in some cases than virtual machines? The answer is density. Here’s what it means and why it matters. In the context of computing, ...
Diamanti Eyes Enterprises with Docker Appliance
Diamanti wants to make container deployment a plug-and-play affair with the launch of an infrastructure appliance powered by Docker and Kubernetes. The company has announced the general availability of the appliance, called ...
RunC Bug Highlights Docker Security Challenges, But It’s Not Fatal
It’s a Docker admin’s worst nightmare: An attacker compromises a container, then uses it to gain control of the entire host server. A newly discovered security vulnerability in runC enables just that ...
Virtuozzo Adds Encryption for OpenVZ System Containers
Virtuozzo has announced new security features for its OpenVZ system container platform, which now includes encryption for at-rest data. Virtuozzo develops a system container platform based on OpenVZ. System containers are designed ...
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
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
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 ...
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 ...
5 Cool Unikernels Projects
Unikernels are poised to become the next big thing in microservices after Docker containers. Here’s a look at some of the cool things you can do with unikernels. First, though, here’s a ...
What Vine’s Registry Fiasco Means for Docker Security
How secure are container registries? Not very secure if you make them public and hope no one guesses the URL where they’re hosted. That’s the lesson from the recent Docker registry security ...
