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Creating Firewall Rules with ip6tables  

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We design a basic set of ip6tables rules for an IPv6 firewall.

Security Management  

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Systems, network, and security professionals face a big problem managing disparate security data from a variety of sources. OSSIM gives IT security professionals the capacity to cut through the noise and gain wisdom and foresight in defending and managing their networks.

Snapshots  

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In the scope of developing Fedora 20, the live snapshot function, which has long been supported by libvirt, was integrated with the graphical front end. If you prefer to avoid command-line acrobatics à la Virsh, you can now freeze your virtual KVM and Xen machines in VMM at the press of a button.

Tools for incident response and memory analysis  

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Be ready before disaster strikes. In this article we describe some tools you should have on hand to obtain a memory image of an infected system.

Arithmagician  

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Hadoop 2.x and its associated tools promise to deliver big data solutions not just to the IT-heavy big players, but to anyone with unstructured data and the need for multidimensional data analysis.

A Closer Look  

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Although Nagios gets lots of attention, the popular network monitoring tool Zabbix is free, can configure hosts for direct monitoring in the web interface, and now can also monitor VMware machines in version 2.2.

A Library for Many Jobs  

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The Joblib Python Library handles frequent problems – like parallelization, memorization, and saving and loading objects – in almost no time, giving programmers more freedom to push on with their core tasks.

Safe Domicile  

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Companies wanting to operate Exchange for high availability need to work with database availability groups. In this article, we show you what to watch out for, looking into how DAGs work and how to use them.

Up-to-date  

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Never change a running system: If you are happy with your Small Business Server, you don't need to upgrade to the latest Windows server, but you should stay up-to-date. We show the pitfalls of installing updates.

SystemRescueCd  

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SystemRescueCd comes with a gallery of helpful system tools for diagnosing and repairing Linux and Windows computers. SystemRescueCd is based on the long-term-support Linux kernel 3.10. Boot from a CD/DVD, a USB stick, or a hard drive.

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