New Products
The data-logger expert Onset has expanded the capabilities to its HOBO U12 line, which now can measure and record kilowatts, air velocity, gauge pressure, differential pressure, DC current and other energy and environmental parameters. Onset attributes this new functionality to a new, compact power adapter, which enables energy and building management professionals to power external sensors that require 12-volt A/C excitation power conveniently. The new functionality augments existing measurement parameters, such as air temperature, relative humidity, light intensity, AC current and AC voltage. HOBO U12 Data Loggers also can record data unattended for up to months at a time, storing up to 43,000 measurements. Using a USB connection, HOBO U12 data loggers offer convenient, high-speed data offload directly to a computer or to a HOBO U-Shuttle data transport device.
The authorial threesome Dave Gray, Sunni Brown and James Macanufo have just released an interesting new book, Gamestorming: A Playbook for Innovators, Rule-Breakers, and Changemakers. The subtitle indicates that the book is targeted squarely at us—that is, “people who want to design the future, to change the world, to make, break and innovate.” The book's premise is that 200 years of industrial habits are embedded in our workplaces, our schools and our system of government, and certain strategies are required to make the changes necessary to “win in the 21st Century”. Gamestorming is full of practical solutions that help one engage people in a project, to get better traction and move more quickly with groups, to make things happen and get better, faster decisions and results.
No Starch Press, publisher of Michael Kerrisk's 1,500-page book The Linux Programming Interface, bills the title as the “authoritative work” and “definitive guide to the Linux and UNIX programming interface”. Kerrisk, who is the maintainer of the Linux man pages project, presents detailed descriptions of the system calls and library functions that one needs in order to master the craft of system programming. He accompanies his explanations with clear, complete example programs. Some key topics include using signals, clocks and timers; creating processes and executing programs; writing multithreaded programs using POSIX threads; building and using shared libraries; performing interprocess communication using pipes, message queues, shared memory and semaphores; and writing network applications with the sockets API.
SugarCRM hopes to (warning of sugar metaphor ahead) sweeten up the CRM space with Sugar 6, the latest edition of the company's flagship CRM system. The buzz around Sugar 6 involves its integration of social-media tools, such as Twitter, Facebook and LinkedIn, directly within the user interface. Users now can listen, monitor and aggregate social data and tie it to their existing customer information in a simple yet highly structured manner.
The recent brewing going on at enStratus has resulted in a new edition of its self-titled suite of tools for managing cloud infrastructure that now includes VMware's vSphere. With this expanded support, customers can leverage a unified solution to manage vSphere as well as private and public cloud infrastructures. Features that customers now can leverage in a vSphere deployment include self-provisioning, advanced user management, financial controls and automation. In addition to supporting vSphere and vCloud Express from VMware, enStratus also supports leading cloud infrastructure platforms from Amazon Web Services, Eucalyptus, GoGrid, Rackspace, Cloud.com, ReliaCloud, Terremark and Windows Azure.
James Gray is Products Editor for Linux Journal
Today’s modular x86 servers are compute-centric, designed as a least common denominator to support a wide range of IT workloads. Those generic, virtualized IT workloads have much different resource optimization requirements than hyperscale and cloud applications. They have resulted in a “one size fits all” enterprise IT architecture that is not optimized for a specific set of IT workloads, and especially not emerging hyperscale workloads, such as web applications, big data, and object storage. In this report, you will learn how shifting the focus from traditional compute-centric IT architectures to an innovative disaggregated fabric-based architecture can optimize and scale your data center.
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Every security policy provides guidance and requirements for ensuring adequate protection of information and data, as well as high-level technical and administrative security requirements for a system in a given environment. Traditionally, providing security for a system focuses on the confidentiality of the information on it. However, protecting the data integrity and system and data availability is just as important. For example, when processing United States intelligence information, there are three attributes that require protection: confidentiality, integrity, and availability.
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| Making Linux and Android Get Along (It's Not as Hard as It Sounds) | May 16, 2013 |
| Drupal Is a Framework: Why Everyone Needs to Understand This | May 15, 2013 |
| Home, My Backup Data Center | May 13, 2013 |
| Non-Linux FOSS: Seashore | May 10, 2013 |
| Trying to Tame the Tablet | May 08, 2013 |
| Dart: a New Web Programming Experience | May 07, 2013 |
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- May 2013 Issue of Linux Journal: Raspberry Pi
- What's the tweeting protocol?
Enter to Win an Adafruit Prototyping Pi Plate Kit for Raspberry Pi

It's Raspberry Pi month at Linux Journal. Each week in May, Adafruit will be giving away a Pi-related prize to a lucky, randomly drawn LJ reader. Winners will be announced weekly.
Fill out the fields below to enter to win this week's prize-- a Prototyping Pi Plate Kit for Raspberry Pi.
Congratulations to our winners so far:
- 5-8-13, Pi Starter Pack: Jack Davis
- 5-15-13, Pi Model B 512MB RAM: Patrick Dunn
- Next winner announced on 5-21-13!
Free Webinar: Linux Backup and Recovery
Most companies incorporate backup procedures for critical data, which can be restored quickly if a loss occurs. However, fewer companies are prepared for catastrophic system failures, in which they lose all data, the entire operating system, applications, settings, patches and more, reducing their system(s) to “bare metal.” After all, before data can be restored to a system, there must be a system to restore it to.
In this one hour webinar, learn how to enhance your existing backup strategies for better disaster recovery preparedness using Storix System Backup Administrator (SBAdmin), a highly flexible bare-metal recovery solution for UNIX and Linux systems.




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