Is Your Personal Area Network Giving You the BlueZ?
I am always very reluctant to criticize developers of free and open software. It is all too easy to forget or take for granted the enormous amount of dedicated work that goes into projects like BlueZ and to moan and gripe over minor bugs and missing features. On the whole, I have nothing but admiration for these wonderful people. But, if I could just gently and humbly raise one point, it would be that the documentation for BlueZ seems very thin on the ground. In fact, that's what motivated me to write this article in the first place (for example, there is no man page for the /etc/bluetooth/main.conf file). Anyway, let's hope this is a temporary glitch in an otherwise unblemished record of developmental excellence.
How to Set Up Common PAN Scenarios with BlueZ's Integrated PAN Support, by Michael Schmidt: bluez.sourceforge.net/contrib/HOWTO-PAN
Personal Area Networking Profile, Version 1.0: www.bluetooth.com/SiteCollectionDocuments/PAN_SPEC_V11.pdf
Dr Chuck Elliot is Principal Lecturer in Networking & Information System Security at Sheffield Hallam University and a Red Hat Certified Engineer.
Practical Task Scheduling Deployment
One of the best things about the UNIX environment (aside from being stable and efficient) is the vast array of software tools available to help you do your job. Traditionally, a UNIX tool does only one thing, but does that one thing very well. For example, grep is very easy to use and can search vast amounts of data quickly. The find tool can find a particular file or files based on all kinds of criteria. It's pretty easy to string these tools together to build even more powerful tools, such as a tool that finds all of the .log files in the /home directory and searches each one for a particular entry. This erector-set mentality allows UNIX system administrators to seem to always have the right tool for the job.
Cron traditionally has been considered another such a tool for job scheduling, but is it enough? This webinar considers that very question. The first part builds on a previous Geek Guide, Beyond Cron, and briefly describes how to know when it might be time to consider upgrading your job scheduling infrastructure. The second part presents an actual planning and implementation framework.
Join Linux Journal's Mike Diehl and Pat Cameron of Help Systems.
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With all the industry talk about the benefits of Linux on Power and all the performance advantages offered by its open architecture, you may be considering a move in that direction. If you are thinking about analytics, big data and cloud computing, you would be right to evaluate Power. The idea of using commodity x86 hardware and replacing it every three years is an outdated cost model. It doesn’t consider the total cost of ownership, and it doesn’t consider the advantage of real processing power, high-availability and multithreading like a demon.
This ebook takes a look at some of the practical applications of the Linux on Power platform and ways you might bring all the performance power of this open architecture to bear for your organization. There are no smoke and mirrors here—just hard, cold, empirical evidence provided by independent sources. I also consider some innovative ways Linux on Power will be used in the future.Get the Guide