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Ksplice applies kernel patches on-the-fly - no reboot required — in a fraction of a second. Here's a hands-on guide to performing painless system updates. Learn how to patch a live kernel and give reboots the boot.

Learn how to download and install a Ubuntu image and then go through some basic shell commands to help you navigate through the Linux environment. This is part 1 of a 4 part demo series to show you how to implement a solution stack (Rational Application Developer, WebSphere Application Server, and DB2 Express-C) on Ubuntu Linux, as well as how to integrate them in a Java application.

Cloud computing and Infrastructure as a Service (IaaS) are well documented, but what's often not discussed is how to get a running application into a cloud computing environment. Discover how to move an application into the cloud and take advantages of the features this setup has to offer.

The days of cowboy coding are long gone at most organizations, replaced by a renewed interest in generating quality software. Continuous integration (CI) testing is a vital component in the practice of agile programming techniques that lead to high-quality software. Learn the theory and practice of CI testing by exploring Buildbot, an open source CI system written in Python.

Learn the correct location for files under the Filesystem Hierarchy Standard (FHS) on a Linux system and learn how to find important files and commands. You can use the material to explore file organization and management.

Booting servers from storage area networks with multiple paths can provide significant benefits for the complex, modern data center environment. This article walks you through setting up a SAN-boot Linux system on the IBM System Storage DS8000 with the multipath function supported by the Device-Mapper MultiPath (DMMP) feature.

You don't have to break into a Watergate office to uncover the secrets of UNIX power users. There's an informant, and he's spilling the beans. Learn why Environment Variables, the dot file, and the Secure Shell (SSH)are very important.

This article explores the Hadoop framework, including its fundamental elements, such as the Hadoop file system (HDFS), and node types that are commonly used. Learn how to install and configure a single-node Hadoop cluster, and delve into the MapReduce application. Finally, discover ways to monitor and manage Hadoop using its core Web interfaces.

Learn how to install, upgrade and manage packages on your Linux system. This article focuses on the Red Hat Package Manager (RPM) developed by Red Hat, as well as the Yellowdog Updater Modified (YUM). Explore the best ways to add new software and keep your system current.

A recent addition to Linux's impressive selection of file systems is Ceph, a distributed file system that incorporates replication and fault tolerance while maintaining POSIX compatibility. Explore the architecture of Ceph and learn how it provides fault tolerance and simplifies the management of massive amounts of data.

The tools used to boot Linux® are changing. Specifically, the Grand Unified Bootloader (GRUB) is now officially in maintenance mode only, and GRUB's developers have abandoned the original GRUB in favor of an entirely rewritten package, known as GRUB 2. Discover GRUB 2's new capabilities and how to use it.

This article examines the implications of 4KB-sector disks, including benchmark tests illustrating the likely real-world effects on some common Linux file systems. As disks with 4096-byte sectors become more common throughout 2010 and beyond, strategies for coping with these new disks will become increasingly important.

#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 IBM’s 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 IBM’s 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.

learn how to use inotify functions for a simple monitoring app. Download the sample code and Use inotify when you need efficient, fine-grained, asynchronous monitoring of Linux file system events. Use it for user-space monitoring for security, performance, or other purposes.

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.

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