The Blog

Mirantis‘ business is to make it easy on you to run and manage OpenStack clouds. They’re still doing that, but they’re also making managing containers on clouds easier by adopting Kubernetes. The Sunnyvale, Calif. company is doing this by launching a new single integrated distribution of OpenStack and Kubernetes: Mirantis Cloud Platform (MCP) 1.0. This new release also offers a … Read More

OpenStack Ocata has now been out for a little over a month and we’re about to see the first milestone of the Pike release. Past cycles show that now’s about the time when people start looking at the new release to see if they should consider moving to it. So here’s a quick overview of what’s new in this release. … Read More

Zimbra has released a new Universal UI and it looks awesome. It is a re-designed user interface for Zimbra Collaboration that includes modern standards and improves the user experience. Try the new Universal UI – Cloud Based You can try it today without install anything! Click the link below, follow the instructions, and in a few minutes you will receive … Read More

If you know where to look you can find many great Linux-powered laptops. Besides Dell’s XPS 13, Dell also offers several other blazing-fast, Ubuntu-Linux powered laptops. System76 specializes in great Ubuntu laptops and ZaReason offers a variety of Linux distributions on laptops and desktops. A top-of-the-line, all-in-one desktop PC? That’s much harder to find. Now, Dell is offering a no-compromises … Read More

SSHGuard is an intrusion prevention utility that parses logs and automatically blocks misbehaving IP addresses with the system firewall. It’s less configurable than the better-known Fail2Ban but has a smaller resource footprint and ships with full IPv6 support. The newly released SSHGuard version 2.0 have been made easier to configure for new users. It also gained support for FirewallD, ipset, … Read More

Linux. What is it? At one point in time it was a niche operating system run by those who wanted to show off their PC prowess and feel more alternative and l33t than the rest. But something happened on the way to the convention — Linux became accepted. Not only did this platform become accepted, it was adopted as a … Read More

ApacheCon is just a couple months away — coming up May 16-18 in Miami. We asked Shawn McKinney, Software Architect at Symas Corporation,  to share some details about his talk at ApacheCon. His presentation — “The Anatomy of a Secure Web Application Using Java EE, Spring Security, and Apache Fortress” will focus on an end-to-end application security architecture for an … Read More

Container security vendor Twistlock is updating its namesake platform with a 2.0 release that aims to improve container visibility and security. Twistlock unveiled its container security platform in November 2015, providing runtime security options for container deployments. The platform has evolved since then with a steady stream of updates. The new Twistlock 2.0 update includes several enhanced container security capabilities … Read More

Teleport has tons of team-friendly features, and it showcases Google’s Go language as a replacement for critical IT infrastructure Gravitational, maker of a SaaS support system built with Kubernetes, has released the latest open source iteration of a key part of that system. Teleport, an SSH server that provides support teams with simpler remote management for server clusters, is an … Read More

In our first three installments in this series, we learned what Kubernetes is, why it’s a good choice for your datacenter, and how it was descended from the secret Google Borg project. Now we’re going to learn what makes up a Kubernetes cluster. A Kubernetes cluster is made of a master node and a set of worker nodes. In a … Read More

It’s been a heck of a month for Canonical, Ubuntu Linux‘s parent company. The company dropped its smartphone and tablet plans. This, in turn, ended to its plans to make Unity its universal default interface. Instead, Gnome will become Ubuntu’s once and future desktop. Days later, long-time CEO Jane Silber resigned in favor of the company’s founder Mark Shuttleworth. Despite … Read More

After announcing earlier this year the release of the Dell Precision 5520 mobile workstation as the world’s thinnest and lightest 15” notebook powered by Ubuntu, Dell launches two new models for fans of the Linux-based operating system. Originally scheduled to arrive during the month of March 2017, the Dell Precision 7520 and Dell Precision 7720 models are finally available for … Read More

We’re learning about Kubernetes in this series, and why it is a good choice for managing your containerized applications. In part 1, we talked about what Kubernetes does, and its architecture. Now we’ll compare Kubernetes to competing container managers. One Key Piece of the Puzzle As we discussed in part 1, managing containers at scale and building a distributed applications infrastructure … Read More

One of the most exciting parts of being in this industry over the past couple of decades has been witnessing the transformative impact that open source software has had on IT in general and specifically on networking. Contributions to various open source projects have fundamentally helped bring the reliability and economics of web-scale IT to organizations of all sizes. I … Read More

We’re fresh out of IPv4 addresses. Getting hold of a subnet from your average ISP for hosting purposes is increasingly difficult and expensive, even the public cloud providers are getting stingy. While we wait for IPv6 to become usable, there are ways to stretch out the IPv4 space. There are several big problems with IPv6 that I won’t bother rehashing … Read More