June 25, 2017

The 5 Killer Features that Set Docker Apart

May 31, 2017 1 417

Why did Docker containers become so popular? To understand the answer, you have to identify Docker’s killer features — the ones that set Docker apart from other container frameworks, as well as virtual machines. It can seem ...

What’s Next for Docker Inc.?

May 19, 2017 0 372

Docker has evolved in little more than four years from a half-baked technology that only geeks could love to a complete platform that attracts millions of dollars in investment. And that begs the question: What’s next for ...

Understanding Why Docker is So Popular

May 9, 2017 0 534

Docker containers have become a massively popular technology. But Docker is by no means the only or the oldest container platform. That begs the questions: Why Docker? What made Docker stand out from the competition? Although few ...

Container Security: Why Bother?

Aug 31, 2016 0 1384

Are containers secure? Probably not. But knowing each approach’s strengths and risks—and available options—could help ease adoption. Such a decision requires two primary considerations: Containers do not provide the same level of isolation between apps running on ...

Linux Containers: Comparing LXC and Docker

Aug 5, 2016 0 2834

As industry moves beyond the virtual machine (VM) consolidation paradigm, several types of containers have become prominent. Two flavors in particular currently enjoy the lion’s share of deployments on the Linux operating system: Docker and LXC. While BSD ...

CGmanager: Undergirding LXD

Oct 8, 2015 0 1973

The third LXD / LXC technology in this series is CGmanager, which is the final undergirding technology, the one that enables secure cgroup (control group) management for Linux containers. CGmanager is necessary so that Canonical can provide ...

LXD, the Hypervisor for LXC Containers, Part One

Sep 28, 2015 0 3154

Canonical is the company behind Ubuntu and is neck-deep in providing Linux Containers, i.e., LXC and its component technologies, now including LXD (the LXC container hypervisor), CGmanager (for cgroups) and LXCFS (a file system). ContainerJournal spoke with ...

Containers: Passing fad or tech nirvana?

Jul 7, 2015 3 2259

Linux containers are hot right now in software development. But are they just a passing fad or something more substantial? I’m reminded of a childhood experience that might help make the answer more clear. One year a ...