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Workaround

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Managing your cluster could be so simple if it weren't so complicated. The object of many an admin's wrath in such cases is often a single component: Pacemaker. Luckily, other open source tools offer alternative options for high availability.

Lightweight

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Want to set up a full-fledged web, file, or proxy server in 10 seconds? No problem with TheSSS, the smallest server suite in the world. The new 8.0 version of this useful Linux distribution weighs in at a mere 30MB.

Group iRony

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Open standards and open source are requisite in Kolab groupware. The alpha release of version 3.1 hugely extended the number of compatible clients with the CalDAV and CardDAV protocols, making Kolab data available on iOS and Mac OS X and in Thunderbird and Evolution.

House of Cool

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The new OpenStack version "Icehouse" comes with new features and new components, on top of numerous improvements to existing components.

Strong Quad

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Four open source tools – Vagrant, Serf, Packer, and Consul – facilitate a developer's work by each handling one specific task elegantly.

Kpatch and kGraft

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Two projects by Red Hat and SUSE – Kpatch and kGraft – attempt to patch the kernel with security updates on the fly. We look at features in these two tools and their suitability for production use.

Get a Grip

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As data analytics workloads become more common, administrators need to assess their hardware, software, and processes.

Between Worlds

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People still use hard disks even when SSDs are much faster and more robust. One reason is the price; another is the lower capacity of flash storage. Hybrid drives promise to be as fast as SSDs while offering as much capacity as hard drives. But can they keep that promise?

Safe Circuit

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Redo Backup backs up complete hard drives locally or over a network. The focus is on simple operation and high reliability in a variety of deployment scenarios.

On the DVD

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The Tails Live system runs from a DVD, USB stick, or SD card and uses only RAM for storage, leaving your hard disk untouched. Geared toward preserving privacy and anonymity, Tails comes with an impressive set of cryptographic tools. All connections to the Internet go through the Tor network. The Tor anonymity network is designed to leave no trace and prevent surveillance of your online activities.

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