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Favorite Open Source Softwares
Most of the Open Source softwares are much better than their proprietary alternatives. So I prefer to look for Open software before going for any proprietary one. Also if we use such softwares, itís our responsibility to support and promote them. I want to share my personal favorite list of open source softwares.
Kill Command Example to kill process in unix
Unix kill command is one of the basic command in unix which is used to kill a particular process by providing its PID. kill provides you ability to terminate hung or locked process in operating system. its similar to task manager in windows. Overall an excellent tutorial on kill command in unix for both beginners and seasoned unix user.
Introduction to PowerHA
PowerHA for AIX is the new name for HACMP (High Availability Cluster Multiprocessing). HACMP is an application that makes system fault resilient and reduces downtime of applications. This article introduces PowerHA and provides a detailed explanation of how to configure a two node cluster. This document is very useful for understanding PowerHA and setting up a two node cluster.
The Virtualization Innovation Comparison of 2009 and 2010
#Linux Scripting with #Vim editor, Part 1: Start using #Vimscript > http://bit.ly/bNQKWR #Ubuntu #Fedora #SUSE #Linux Scripting with #Vim editor, Part 2: User-defined functions > http://bit.ly/d5mRnW #Ubuntu #Fedora #SUSE #Linux Scripting with Vim editor Part 3: Explore #Vimscript's lists & arrays > http://bit.ly/cxHqdh #Ubuntu #Fedora #SUSE Linux Scripting with Vim editor, Part 4: Use dictionaries for faster code > http://bit.ly/bIbr9B #Ubuntu #Fedora #SUSE Behind IBM's Surge in Storage? - fid out from IBMís GM for Storage, Brian Truskowski > http://su.pr/2fHx1s > http://www.eweek.com/c/a/Data-Storage/Whats-Behind-IBMs-Surge-in-Storage-538382/> Learn why Ruby is a powerful scripting alternative to the usual shell scripting > http://www.ibm.com/developerworks/aix/library/au-rubysysadmin/index.htm?ca=dgr-twtrRuby4Adminsdth-AIX Enter into the world of metaprogramming, Groovy-style with closures, ExpandoMetaClass, and categories > http://www.ibm.com/developerworks/java/library/j-pg06239.html?ca=dgr-twtrGroovyMetaPrgdth-JV This article approaches the world of Python development from a PHP developer's perspective > http://www.ibm.com/developerworks/opensource/library/os-php-pythonbasics/index.html?ca=dgr-twtrPython4PHPdth-OS athenahealth Taps IBM to Streamline Back Office Processes, Improve Data Capture for Physicians > http://su.pr/1AhOhq > http://www-03.ibm.com/press/us/en/pressrelease/29982.wss?ca=dgr-twtrathenahealthdth-IBM Learn 5 good PHP programming habits that can help you bang-out awesome code > http://www.ibm.com/developerworks/opensource/library/os-php-5goodhabits/index.html?ca=dgr-twt5PHP-Habitsdth-OS IBM health initiative rooted in 430,000 lives > http://su.pr/2hfjKj IBMís reach is growing > http://su.pr/2cByll > http://www.masshightech.com/stories/2010/04/19/daily42-IBM-health-initiative-rooted-in-430000-lives.html > http://www-935.ibm.com/services/us/gbs/bus/html/bcs_healthcare.html Made in IBM Labs: Writer's Block? IBM Researchers Have the Cure This article explores virtualization innovations for 2009 and 2010, including coverage of IBM's newly released POWER7 systems, which alters the 2010 landscape. Most AIX admins understand the virtualization features available to them on their System p platform through PowerVM. What about the other UNIX hardware platforms? What do they have to offer and how do some of their features compare to PowerVM.
Anatomy of Linux Kernel Shared Memory
An interesting change in the 2.6.32 kernel is Kernel Shared Memory (KSM). KSM allows the hypervisor to increase the number of concurrent virtual machines by consolidating identical memory pages. Explore the ideas behind KSM (such as storage de-duplication), its implementation, and how you manage it.
Some Linux admin commands everyone must know
Brief explanation about some common Linux/UNIX admin commands
Linux app migration from Windows, Solaris, & OS2
Here's some help to port your applications from Windows, Solaris, and OS/2 to run natively on Linux on x86-based systems. The information here also covers porting from Windows to Java and porting and migrating x86-based Linux apps to Linux on multiple other hardware platforms.
Anatomy of the Linux virtual file system switch
With the Linux virtual file system switch (VFS), you can create file systems on a variety of devices, from traditional disk, USB flash drives, memory, and other storage devices. You can even embed a file system within the context of another file system. Discover what makes the VFS so powerful, and learn its major interfaces and processes.
Make the most of large drives with GPT and Linux
The venerable master boot record (MBR) partitioning scheme can't fully handle disks larger than 2TB. With 1TB-hard disks now common and 2TB-disks becoming available, forward-looking individuals are thinking about alternatives to the MBR partitioning scheme. The heir apparent is the GUID Partition Table (GPT). Learn how to make sure your Linux system is fully prepared for the future of disk storage.
Anatomy of a Linux hypervisor
The battleground has shifted from the Operating System to the hypervisor, and Linux has a clear role to play. One of the most important modern innovations of Linux is its transformation into a hypervisor. Learn about KVM and Lguest and why the most important modern innovations of Linux is its transformation into a hypervisor
The cloud computing advantage on AIX and System p
This article discussed how the concepts around cloud computing naturally lend themselves to AIX and Power Systems. Some of the drivers include: virtualization (PowerVM), RAS, availability offerings, as well as new feature/functionality of both AIX and POWER servers. Cloud computing appears to have a bright future ahead of it, and POWER servers driven by AIX (and Linux) stand to be a big part of that future.
Anatomy of ext4
The next generation of the extended file system; ext4, provides improved scalability, reliability, and considerable new functionality. This article covers ext4 Functionality, scalability, and performance. It's an easy read to get to know the latest and greatest Linux file system.
Linux can rule cloud computing
You can't read a technical Web site these days without some mention of so-called cloud computing. Cloud computing gives users access to massive computing and storage resources without their having to know where those resources are or how they're configured. This article discusses the anatomy of cloud computing and how Linux and the open source community contribute to the world of cloud computing. As you might have guessed, Linux and open source technologies play a huge role.
Important LAMP systems tunning considerations
This series of three articles on tunning LAMP systems discusses many of the server configuration items that can make or break an application's performance. Part-1 covers the LAMP architecture, some measurement techniques, and some basic Linux kernel, disk, and file system tweaks. Part-2 focuses on steps you can take to optimize Apache and PHP. Part-3 looks at tuning the database layer for maximum efficiency. Each component -- Linux, Apache, PHP, or MySQL -- has various needs. These articles help you understanding them individually to eliminate the bottlenecks that can slow your application performance.
Telecommunications and Network Security
Packt is pleased to announce a new book on CISSP. Written by M. L. Srinivasan CISSP in 21 Days is a quick revision guide that helps candidates prepare for the CISSP Exam and approach it confidently with the help of step-by-step preparation and practice questions. Success in this respected exam opens the door for ones dream job as a security expert as well as an eye catching salary. Passing the final exam is challenging as every year a lot of candidates do not prepare sufficiently and fail at the final stage. This happens when they cover everything but do not revise properly and hence lack in confidence. This books 'concise explanation' will take candidates through the final weeks before the exam with a day-by-day plan covering all of the exam topics enabling them to enter the exam room with confidence. Candidates will get to know the requirements of the CISSP examination and structure their preparation accordingly. The book helps them build their understanding of myriad concepts in the Information Security domain thus integrating their existing knowledge, experience, and prior learning to easily remember the concepts. This small and concise CISSP exam quick-revision guide provides a disciplined approach to be adopted for reviewing and revising the core concepts a month before the exam, by providing concise explanation of important concepts in all the 10 domains of the CISSP Common Body of Knowledge (CBK). Each domain is covered in two chapters that are represented as days and each chapter contains some practice questions including a full-blown mock test for practice. This book is for all aspirants who are planning to take the CISSP examination and obtain the coveted CISSP certification that is considered as the 'Gold Standard' in Information Security personal certification. The book is out now and is available from Packt. For more information, please visit http://www.packtpub.com/crack-the-cissp-exam-in-21-days/book