Blog Summary for Week of January 16

2. Monitor Everything with Monitis – And do it easily with PowerShell – Part 13
This is a fun post that shows you how to monitor Out of Paper errors on your printers using Monitis Custom Performance Counters. You can see all of the out of paper errors, for all printers on a machine, with the line Get-Counter “\Print Queue(*)\Out of Paper Errors. A script is provided which calls this line and posts your printer’s status to Monitis via the API. Once it’s running, you will receive a notification by email or SMS or Phone call when a printer is out of paper.

3. Hadoop 101
Hadoop is a framework for distributed computing across thousands of nodes and petabytes of data. Much of it comes from major Google projects, like MapReduce and Big Table. This post is a very basic but interesting introduction to Hadoop. MapReduce is at the core of how Hadoop handles data processing. It’s what allows Google to search petabytes of data using commodity hardware. MapReduce creates a “master” server which distributes various tasks to “slaves” which then return answers to the master. To store all the data, you would use HBase, the official Hadoop database. Hadoop is comprised of several projects which work together to meet today’s Big Data needs.

4. Top 10 Open Source eCommerce Software (Joomla and Drupal) – Part 2/2
The last article in this post covered 5 open source shopping cart softwares for Joomla and Drupal: Hikashop, SimpleCaddy, OpenCart, redShop and RokQuickCart. This post covers VirtueMart, Wazala, Ubercart, Tienda, and LiteCommerce. To help you gauge the popularity of these options, there is a graph comparing web traffic to their homepages.

5. Performance Tuning Windows Server 2008 R2 Hyper-V: Network
The last article in this series was about performance tuning of Hyper-V storage I/O. This post focuses tells some best practices for optimizing network I/O performance. It shows how to configure the Synthetic Network Adapter and offload hardware to reduce the CPU usage of network I/Os in virtual scenarios. It also explains the Network Switch Topology and how to reduce load on VM’s by routing them to different virtual switches to better use the physical network adapters.

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