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Apache Apogee

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High performance and cloud suitability are the thrust of Apache 2.4. We give you the lowdown on transitioning your Apache HTTP Server from 2.2 to 2.4.

Heartbeat

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Setting up high-availability cluster resources is part of the administrator's standard bag of tricks. We look at the basic setup of a cluster using the free OpenAIS/Corosync-based cluster suite.

Switching Station

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Virtualization with VMware, KVM, and Xen is here to stay. But up to now, no virtual switch has supported complex scenarios. Open vSwitch supports flows, VLANs, trunking, and port aggregation just like major league switches.

Local Store

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Microsoft released the latest version of Small Business Server 2011 in December. We look at the differences between the various editions and discuss their potential applications.

Free for All

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FreeNX and the WiKID Strong Authentication System combine to create open source remote access that delivers the speed of NX with the security of SSH tunnels and Linux.

New Products

Exploring Piranha

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Red Hat's Piranha load balancing software is based on the Linux Virtual Server concept. We show you how to configure and test your setup.

Password Mincer

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How do web applications remember passwords? They don't. They turn them into mincemeat. And Phpass, which encrypts passwords in popular web applications, helps them do so.

Flexible Monitoring

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The OpenNMS monitoring tool is a kind of all-purpose weapon that can provide administrators with a versatile range of information.

Packet Sniffer

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An administrator can only gain useful insights from network analysis if they understand the underlying procedures and protocols. The new version of Wireshark, 1.6, formerly known as Ethereal, can interpret around 30 new protocols.

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