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Accelerate to Green IT - A practical guide to application migration and re-hosting
This guide has been developed based on implementation experience in moving application workloads from a distributed environment, such as AIX workload on Power or pSeries, RS 6000 hardware, Solaris workload on Sun hardware or Linux workload on x86 hardware (that is, IBM eServer to IBM System z primarily IBM System z9 or z10 models).
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Articles 16 Jul 2012
Linux for Windows systems administrators: Administer Linux with GNOME desktop tools
Working with Linux doesn't mean your work is restricted to command-line tools. True, most experienced Linux administrators use command-line tools for convenience and more efficient administration. However, the GNOME project provides some excellent tools for managing a Linux server using a graphical user interface (GUI). Using your Microsoft Windows background experience, you might find that these tools make the transition less dramatic.
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Articles 26 Jun 2012
Create a working compiler with the LLVM framework, Part 2
The LLVM compiler infrastructure provides a powerful way to optimize your applications regardless of the programming language you use. Learn to instrument code in LLVM, using the clang API to preprocess C/C+ code in this second article of a two-part series.
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Articles 19 Jun 2012
Introducing the 3.3 and 3.4 Linux kernels
In March 2012, version 3.3 of the Linux kernel was released (followed in by version 3.4 in May). In addition to a plethora of small features and bug fixes, several important changes have arrived with these releases, including the merging of the Google Android project; merging of the Open vSwitch; several networking improvements (including the teaming network device); and a variety of file system, memory management, and virtualization updates. Explore many of the important changes in versions 3.3 and 3.4, and have a peek at what's ahead in 3.5.
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Articles 19 Jun 2012
Create a working compiler with the LLVM framework, Part 1
The LLVM compiler infrastructure provides a powerful way to optimize your applications regardless of the programming language you use. Learn the basics of the LLVM in this first article of a two-part series. Building a custom compiler just got easier!
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Articles 19 Jun 2012
Evaluate performance for Linux on POWER
Learn to evaluate Linux on POWER performance issues that focus on compiled language (such as C or C++) environments. This article explains the POWER7 CPI model and demonstrates the use of commonly available Linux tools to show potential CPU stalls, pipeline hazards, and performance issues. Analyze and optimize an algorithm for POWER7 in the final section.
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Articles 12 Jun 2012
Porting applications to Linux for System z
Server consolidation based on Linux for IBM System z offers advantages, but moving existing applications requires some specialized knowledge. In this article, get general advice on how to organize your porting project, including technical details on mainframe virtualization, byte-ordering, and address calculation specific to System z. This article also covers how development tools (compiler, linker, debugger) are supported on System z, and introduces IBM's free-of-charge Migration Kit for Solaris OS to Linux.
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Articles 08 Jun 2012
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