News Category: Enterprise

Red Hat Launches Teiid Open-Source Data Integration Project

Article Source eWeekApril 9, 2009, 7:07 am Red Hat announces the official launch of the Teiid data virtualization system project in the JBoss.org Community. - Red Hat has announced the official launch of the Teiid data virtualization system project in the JBoss.org Community. Teiid,...
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A Linux Netbook Done The Right Way: the Sylvania g Netbook Meso

Article Source ONLampApril 1, 2009, 9:01 am In just over two months of use so far I have been very impressed with the Sylvania g Netbook Meso. None of the issues, hardware or software, that I encountered with the original g Netbook, are seen in the somewhat newer model. The Meso has proven...
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Secrets for controlling VirtualBox from the command line

By Mayank Sharma The CLI works well for users who want to control a VirtualBox running on a headless server with no monitor or keyboard attached. Even desktop users, running and managing VirtualBox from the same machine, can pull a stunt or two with the CLI that they can't do in the GUI, such as...
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SSD vs. SATA RAID: A performance benchmark

By Ben MartinÂ¬â  Without going into details, SSDs may use single-level cell (SLC) or multi-level cell storage, with SLC drives typically offering better performance. SSDs offer different read and write speeds, form factors, and capacity. I looked at several models from Mtron. The performance of...
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Benchmarking hardware RAID vs. Linux kernel software RAID

By Ben Martin In testing both software and hardware RAID performance I employed six 750GB Samsung SATA drives in three RAID configurations -- 5, 6, and 10. I measured performance using both Bonnie++ and IOzone benchmarks. I ran the benchmarks using various chunk sizes to see if that had an effect...
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Five fun ways to use a Linux webcam

By Razvan T. ColojaÂ¬â  Record yourself One of the simplest ways you can record webcam videos is with mencoder. Using the Video4Linux driver, mencoder can take input from the webcam and save it in an uncompressed AVI file. Use the following command line to record an AVI with a resolution of...
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Configuring your webcam to work under Linux

By Bruce Byfield The best scenario for configuring a webcam is when you buy an external one. Numerous sites exist for different manufacturers and models, and a Web search can often tell you whether GNU/Linux supports a given webcam. In most cases, you probably won't find much information on the...
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How to set up Apache virtual hosting

By James Lees If Apache is installed correctly, you can set up virtual hosting easily by editing Apache configuration files. The main .conf files in /etc/apache2 include httpd.conf, error.conf, server-tuning.conf, and a bunch more. These files are set for read-only access for normal users; you...
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Back up like an expert with rsync

What's so great about rsync? First, it's designed to speed up file transfer by copying the differences between two files rather than copying an entire file every time. For example, when I'm writing this article, I can make a copy via rsync now and then another copy later. The second (and third,...
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A three-pronged attack on performance

By Federico Kereki As with all optimizations, you won't be able to tell whether you are really getting better results without doing some simple benchmarking. Many processes run on a normal Linux PC, and they can affect performance measurements. To minimize their impact, we will work at init 1...
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