Software-Defined Networks

Oct 19, 2012

Even as the tech world works to figure out just what to do with the potential of cloud computing and big data, along comes a new bit of technology fueled by open source software: software-defined networks.

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Tech Tools

Sep 21, 2012

SpringSource Releases New Tool Suites

Codethink Releases Baserock 1.1

PostgreSQL 9.2 Released

ROSA Announces Enterprise Distribution

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Tech Tools

Jul 24, 2012

Amahi Releases Ubuntu Edition

New Version of UndoDB Released

Black Duck Announces Code Quality Audit

digiKam Releases Version 2.7

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Security Lessons: Virtual Hosts Serving websites as unique users off a single server

Jul 24, 2012

Creating secure websites with their own privileges on a single server.

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Nested Virtualization A private cloud with high availability and storage on the laptop

Jun 21, 2012

Nesting of hypervisors, known as a nested virtualization, makes it possible to set up a complete virtualization scenario with a data center, storage, and high-availability functions on a laptop. In this article, we show you how, with Linux iSCSI and free VMware trial versions.

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NoOps Divining the future of the network

May 29, 2012

Mention NoOps, and you’re sure to start an argument. But terminology aside, this is a coming trend to which ITs should pay attention.

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System Diagnosis Tools Tune in to your system with these popular diagnostic tools

Apr 24, 2012

To check on the health of a Linux system, administrators can turn to vmstat, iostat, netstat, and ifstat. Or, you can just use the versatile dstat, which combines the features of several tools in a single package.

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Monitoring Logfiles Monitoring logs with Logcheck and Logsurfer

Apr 24, 2012

Logfiles contain records of what happens on a Linux system and the services it runs. Tools like Logcheck and Logsurfer filter out the most important events for the administrator, and they can even trigger an appropriate reaction automatically.

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