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Applying memcached to increase site performance
A new article on using memcached, the memory caching tool, to improve website and application performance is now available on IBM developerWorks: The open source memcached tool is a cache for storing frequently used information to save you from lo…
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Adding DTrace probes to your applications
A new article on adding DTrace probes to your application has been published on IBM developerWorks: DTrace provides a rich environment of probes that can be used to monitor the execution of your system, from the kernel up to your application. You …
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Deploying Gearman across multiple environments
A new article on using the work distribution tool, Gearman: The open source Gearman service allows you to easily distribute work to other machines in your network, either because you want to spread the work over a large body of machines or because…
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Deep-protocol analysis of UNIX networks
A new article on deeper analysis of network packets, is now available on IBM developerWorks: Whether you are monitoring your network to identify performance issues, debugging an application, or have found an application on your network that you do…
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Saving money with open source, Part 3: The OpenChange solution offers great promise
The third and final part of my series on saving money with open source covers the OpenChange mail server, designed to provide a complete, protocol and functionally equivalent collaboration environment to Microsoft’s Exchange server. From the artic…
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Leopard Wiki Server: Creating Custom Themes
The Wiki component in Leopard Server is designed to be ready to run and use for all your workgroup needs, but for those who need to customize the look and feel of their Wiki environment may find a new article on creating custom themes helpful: Fro…
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Saving money with open source, Part 2: Tap into the power of OpenOffice
The second part of the series on saving money using open source technology looks at OpenOffice, a complete Office software suite comprising word processor, spreadsheet, and presentation package, among other tools. From the intro: On the desktop, t…
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Saving money with open source, Part 1: Use the Ubuntu operating system
I completed a series earlier this year on using various tools within the open source world that can save you money in place of spending money on commercial products and licenses. The first article looks at the Ubuntu Linux distribution. From the i…
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UNIX network performance analysis
In a follow-up to an article I did earlier this year on analyzing the structure and layout of your network using ping and other tools, I’ve written another article on similar lines, this time looking at how to monitor and then report on the perfor…
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UNIX network analysis
I have a new tutorial on analyzing networks, in terms of understanding your basic network configuration, the other machines and devices on the network, and the general topology. From the intro: When accessing a new UNIX system, or even understandi…