System News
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Articles for the keywords: NFS
16 Sep 2010 'Using Oracle Solaris 10 to Overcome Security Challenges' [23426]
Implementing Oracle's UNIX OS for Greater Enterprise-wide Security

Security is foremost in the minds of IT managers, with most assuming the IT infrastructure is a target for attacks and other security threats, states this Oracle white paper that reports on the security enhancements in Oracle Solaris 10. A discussion of key security approaches and how administrators can utilize Oracle Solaris 10 to implement greater enterprise-wide safety measures is the focus of this 17-page document.
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19 Aug 2010 Free Administration Guide on GNU/Linux [23402]
Described as a Must-read for Serious Linux System Admins

"The GNU/Linux Advance Administration" is a 500+ page free eBook that covers Linux network, server and data administration, Linux kernel, security, clustering, configuration, tuning, optimization, migration, and coexistence with non-Linux systems. Produced by the Free Technology Academy (FTA), the complimentary book explains how to install and configure several computer services, as well as how to optimize and synchronize the resources using GNU/Linux.
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02 Aug 2010 Oracle VM Manager [23338]
Sizing and Installation Directives Provided by The Underground Oracle VM Manual

Roddy Rodstein's underground manual on Oracle's server virtualization software, Oracle VM, has a few additions since we last covered it in February. The most recent chapter update is the Oracle VM Manager Sizing and Installation where Rodstein introduces the stand-alone management solution and details its resource requirements, installation prerequisites, and installation instructions.
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07 Jul 2010 Data Center Latency Identified With Visual Heat Map Analytics [23279]
Reading the Map: Lots of Info ... If You Know What to Look For

In "Visualizing System Latency," an article by Fishworks Engineer Brendan Gregg recently published in Communications of the ACM, the author recommends the use of heat imaging as a means to overcome the shortcomings in measuring latency in terms of averages and maximums. Heat maps, in contrast, enable the visualization of a distribution over time, he writes, adding that an additional benefit of using heat imaging is that one can also infer both average and maximum latency values.
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28 Jun 2010 ZFS, Virtual Devices, and Performance [23251]
A Look at How They Work Together For a Better Understanding of IOPS and Bandwidth Performance

RAID-Z does not always provide good performance. To back that claim, Constantin Gonzalez takes a closer look at ZFS virtual devices (vdevs) and how they affect performance, particularly in relation to RAID-Z.
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