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The OpenStack Summit devoted many sessions to securing the open-source cloud platform. Some experts said the cloud offers an opportunity to do good security work.

Docker is an open-source container technology for application virtualization and currently runs on multiple Linux distributions, including Red Hat and Ubuntu. What CoreOS is aiming to provide is a purpose-built Linux operating system, optimized for Docker containers. CoreOS is backed by venture capitalist firms Andreessen Horowitz and Sequoia Capital. Alex Polvi, CEO of CoreOS, told eWEEK that so far he has raised a seed round of financing in an amount that has not yet been publicly disclosed. CoreOS has been in alpha since August 2013.

VIDEO: Martin Casado, Networking CTO at VMware, explains how the new OpenStack project will open up app, storage and networking policy.

There is even an option in Tails to enable the desktop to look like a Windows XP desktop to help avoid suspicion from people who might be walking by a Tails user. In this slide show, eWEEK examines key features of the Tails 1.0 release.

Inktank is the lead commercial vendor behind the open-source Ceph distributed storage filesystem created by Sage Weil, who is also the company's CEO. The open-source Ceph project officially got under way in 2006 and became part of the mainline Linux 2.6.34 kernel in May of 2010.

Weil founded Inktank in May of 2012 as a way to help support companies that want to run Ceph in production environments. Weil is also a co-founder of hosting provider Dreamhost, where the Ceph project got its start. Inktank as a privately held company enjoyed the financial backing of Dreamhost as well as Mark Shuttleworth, who leads Red Hat's Linux rival, Ubuntu Linux.

Mozilla launches its first open-source browser release in the post-Brendan Eich era.

"Sometimes it takes a crisis to do the right thing," Jim Zemlin, executive director of the Linux Foundation, told eWEEK. "There is nothing broken in the open-source model, but we wanted to see what lessons could be learned from Heartbleed and how we could make something good come out of it."

IBM today formally announced its Power8 silicon and server lineup in a bid to help improve Big Blue's hardware fortunes. A key part of the Power8 launch is a renewed focus on Linux for data center workloads.

For OpenStack Icehouse, 1,202 authors contributed 17,209 code commits. In terms of contributing organizations, Red Hat tops the list, followed by IBM, HP and Rackspace. I

Canonical is no stranger to trying to attract Windows users to the Ubuntu Linux platform. Back in 2008 with the Ubuntu 8.04 "Hardy Herron" LTS, Canonical introduced a technology called "Wubi," which is a Windows-based installer for Ubuntu.

Ubuntu 14.04, code-named the "Trusty Tahr" and set for general availability on April 17, is a special Linux distribution because it is a long-term support (LTS) release. An LTS release offers the promise of five years of support, making it a suitable candidate for enterprise-grade deployments.

A Power systems hardware refresh is also expected to boost interest and marketshare.

"We are expanding our Linux capabilities through our POWER8 launch this year," Shroeter said. POWER8 is the first processor built for big data and delivers better cloud economics."

Database-as-a-service technology, live upgrades, storage improvements and federated identity are part of the new open-source cloud platform release.

Atomic is effectively a much slimmed down Red Hat Enterprise Linux on which multiple application containers can ride," Cormier said. "The beauty is that it's the same RHEL 7 across bare metal, OpenStack and now the Atomic platform."

Back in 2007, Red Hat did in fact first attempt to become a reseller for its partners' technologies with the Red Hat Exchange (RHX) effort. RHX, however, was closed down by 2010 as a failed effort. Badani said there were some lessons learned from the RHX experience, but more importantly, the software world has changed dramatically since 2007.

Perhaps the biggest security-hardening impact, however, is likely to come from a new mechanism to help reduce the impact of pingback attacks from WordPress installations. A pingback attack takes advantage of the XML-RPC (remote procedure call) pingback functionality in WordPress to launch DDoS attacks. XML-RPC is legitimately used within WordPress to allow content owners to track where their content is getting linked.

After 12 years, Microsoft is no longer going to be providing security updates for Windows XP, which has plenty of people concerned. The death of XP, however, could be a golden opportunity for Linux—or it could just be yet another missed opportunity for the Linux desktop.

While Torvalds did not name the Linux kernel Pi, nor did he release the 3.14 kernel on Pi Day, there is in fact still PIE, or proportional integral controller enhanced, code within Linux 3.14.

Red Hat reported its full-year fiscal 2014 earnings late Thursday, showing continued momentum for the Linux server operating system business leader. As Red Hat looks for future growth, the open-source OpenStack cloud platform is front and center.

One area that kernel developers need to deal with is getting input from users. Kroah-Hartman noted that in his experience people aren't shy in letting him know when something is broken. He added that kernel developers are easy to find with very public email addresses.

Axboe stressed that user input is critical to developers.

"As kernel developers, we know nothing's better than peoples' input," Axboe said.