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Date: Sunday, 02 Jun 2013 01:44
Learn how to better integrate scripts with command-line tools. Examine using shell_exec(), exec(), passthru(), and system(); safely passing information to the command line; and safely retrieving information from it. If you are looking to monetize from a website without the PHP knowledge, you can always try an online membership website builder. See how to integrate closely with underlying shell commands and folding any return values into your interfaces and processes.
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Date: Sunday, 11 Mar 2012 05:40
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. Understanding the dynamics of such a system will benefit you in the long run. In today's ever growing technological era you must try and stay up to date
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Date: Friday, 03 Feb 2012 14:30
Android, a complete operating environment based upon the Linux V2.6 kernel, promises to be a market-moving open source platform that will be useful well beyond cell phones. In this article, learn about the Android platform and how it can be used for mobile and nonmobile applications, then build your first Android application. This simple first app you build will get you started quickly, but believe me, you'll want to do more after that. Applications are quickly becoming the thing to have.
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Date: Friday, 03 Feb 2012 14:30
Learn how to check the integrity of your Linux filesystems, monitor free space, and fix simple problems. Use the material in this article to study for the Linux Professional Institute (LPI) 11 exam for Linux system administrator certification or just to check your filesystems and keep them in good working order, especially after a system crash or power loss. Today's world relies heavily on technology, and at times technology can fail us. That is why, unlike traditional methods of storage s
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Date: Wednesday, 20 Oct 2010 11:34
Security always requires a multi-layered scheme. SSH is a good example of this. Methods range from simple sshd configuration through the use of PAM to specify who can use SSH, to application of port-knocking techniques, or to hide the fact that SSH access even exists. Applying these techniques can make life much harder for possible intruders, who will have to go past three unusual barriers."Learn 3 ways of hardening SSH access to your system to block would-be crackers"
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Date: Saturday, 16 Oct 2010 06:04
Python programmers shouldn't get too smug. While many people agree that Python is designed in a way that makes it a highly readable language, there can still be problems with legacy, untested Python code too. Porting legacy Perl to Python can be a daunting task. In this article, learn some of the theory behind dealing with legacy code, including what not to do."Techniques for migrating legacy, untested Perl to Python"
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Date: Saturday, 16 Oct 2010 06:04
Bazaar is used to produce the Ubuntu Linux distribution, which is an enormous software project with thousands of components. If you're using a UNIX or Linux system, chances are that your distribution offers a pre-built Bazaar package. Bazaar is flexible enough to accommodate Subversion - a centralized system and Git - a decentralized system. This article introduces you to Bazaar's many appealing features."Intro to Bazaar, a great place to keep your code"
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Date: Saturday, 16 Oct 2010 06:04
As the kernel and user space exist in different virtual address spaces, there are special considerations for moving data between them. Explore the ideas behind virtual address spaces and the kernel APIs for data movement to and from user space, and learn some of the other mapping techniques used to map memory."An introduction to Linux memory and user space APIs"
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Date: Monday, 11 Oct 2010 07:48
The IBM AIX operating system provides a highly scalable IT infrastructure for client workloads. Learn about the latest version, AIX 7.1, an open standards-based UNIX operating system, that includes significant new capabilities for virtualization, security features, availability features, and manageability."Learn about the latest version of AIX 7.1 - an open standards-based UNIX operating system"
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Date: Tuesday, 07 Sep 2010 13:30
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."Get Power high availability by Configuring a PowerHA cluster" Introduction to PowerHA
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Date: Monday, 16 Aug 2010 19:31
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."Avoid reboots of your system with live Kernel updates using Ksplice" Live Kernel Patches with Ksplice
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Date: Saturday, 07 Aug 2010 04:08
Amaze your friends with cool vi tips and tricks that will improve the efficiency of your file editing. This article takes you through ten of the less well-known vi commands that should form part of any serious vi user's toolkit."Become a vi editing wizard with these 1 tips" vi tips and tricks: Ten cool commands
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Date: Monday, 26 Jul 2010 17:18
Java language is the tool of choice for Android developers. The Android runtime uses its own virtual machine, Dalvik, which is not the usual Java virtual machine that most Java developers are used to. In this article you will learn advanced Java features and how they are implemented on Android. This includes features such as concurrency, networking, and database access." Implement concurrency, networking, and database access in Android" http://www.ibm.com/developerworks/library/x-gourmetand
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Date: Monday, 26 Jul 2010 17:18
In this five-part series, you will take a closer look at several new technologies that are part of HTML5, that can have a huge impact on mobile Web application development. Part 1: Combine HTML5, geolocation APIs, and Web services to create mobile mashups Part 2: Unlock local storage for mobile Web applications with HTML5 Part 3: Make mobile Web applications work offline with HTML5 Part 4: Using Web Workers to speed up your mobile Web applications Part 5: Develop new visual UI features in
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Date: Monday, 26 Jul 2010 17:18
The GNU Image Manipulation Program (GIMP) is a robust application for editing and manipulating digital images. In this article, you will learn how to get started with the GIMP code, how to build the project from the Git repositories, and how to find your way around the code tree. And you will build an example application that creates a whole new painting tool for the program."Dive into the code base of the GNU Image Manipulation Program and add to it"
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Date: Monday, 26 Jul 2010 17:18
Look at how the leading Python testing frameworks provide robust auto-discovery of your application tests. Make sure your applications are written right the first time, and that they stay working through months and years of further tweaks and improvements.
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Date: Monday, 26 Jul 2010 17:18
In Part 1 learn to Install and configure a simple cluster and discover ways to monitor and manage Hadoop using its core Web interfaces. In Part 2 Install configure a multinode cluster and dig into the management aspects of Hadoop. "How to use Hadoop in a single-node and multinode cluster" http://www.ibm.com/developerworks/linux/library/l-hadoop-1/index.html?ca=dgr-lnxw1HadoopP1dth-LX
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Date: Monday, 26 Jul 2010 17:18
Great article describing level one and two memory caching in zfs."L2ARC is a new layer between Disk and the cache (ARC) in main memory for ZFS. It uses dedicated storage devices to hold cached data. The main role of this cache is to boost the performance of random read workloads. The intended L2ARC devices include 1K/15K RPM disks like short-stroked disks, solid state disks (SSD), and other media with substantially faster read latency than disk." Understanding ZFS & ZFS ARC/L2ARC
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Date: Tuesday, 13 Jul 2010 02:52
Do you know what to do when the performance of your UNIX network and the speed at which you can transfer files or connect to services suddenly comes to a stop? How do you diagnose the issues and work out where in your network the problems lie? This article looks at some quick methods for finding and identifying performance issues and the steps to start resolving them.
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Date: Tuesday, 13 Jul 2010 02:52
Was always a pine fan before I went to Gmail. "Many geeks ditch the heavy graphical or web-based mail clients for a lean, mean solution: mutt. Mutt's a character-based Mail User Agent (MUA) that snaps to your every command. It also provides powerful features for customization, organizing large volumes of email (especially from mailing lists), and interfacing to other applications." HOW TO: Teach your old Mutt some new tricks
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