June 2008
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June 30, 2008
30
Jun'08
intelligent power management (IPM)
Intelligent Power Management (IPM) is a combination of hardware and software that optimizes the distribution and use of electrical power in computer systems and data centers. While the installation of IPM involves up-front cost and ongoing ... Continue Reading
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June 30, 2008
30
Jun'08
Mainframe vulnerabilities: Be proactive rather than reactive
What mainframe administrators really need is a discussion of mainframe vulnerabilities. Problem areas include user authentication, system dataset access, disgruntled employees, denial of service attacks, and consoles and monitors that open the ... Continue Reading
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June 30, 2008
30
Jun'08
Data center tour: Equinix shows off its upside down data center
With almost 300,000 square feet in its Chicago-area data center, Equinix has a huge power and cooling infrastructure built to handle its customers' colocation needs. Continue Reading
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June 30, 2008
30
Jun'08
Third-party software vendors and the new IBM z10 technology
Above-the-operating-system infrastructure software products are now making their way onto the IBM z10. TCO/ROI studies indicate they can bring significant benefits to z/OS shops. The mainstay vendors are upping the ante with increased support ... Continue Reading
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June 30, 2008
30
Jun'08
Serial computing is dead; the future is parallelism
At the Usenix conference, computer scientist David Patterson declared that serial computing is dead. But parallel computing experts fret that programmers lack the training for parallel processors. Continue Reading
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June 29, 2008
29
Jun'08
Installing PostgreSQL: Infrastructural security concerns
This tip explains how to install and monitor a secure PostgreSQL database server and some of your primary infrastructural considerations, such as a secure network design. Continue Reading
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June 29, 2008
29
Jun'08
Installing the MySQL database server securely
Learn how to install the MySQL database securely with these essential steps and guidance. Assess your security risk level, prevent attacks and monitor your system effectively with this tip. Continue Reading
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June 24, 2008
24
Jun'08
Solaris system performance tuning
Solaris 10 systems need tuning and optimization in order to give the best performance given a certain system configuration and workload. The methods mentioned here are applicable to earlier Solaris versions and some other UNIX-based operating ... Continue Reading
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June 24, 2008
24
Jun'08
Implementing CICS managed data tables
CICS has an I/O buffering technique that is well-suited for small referential datasets, known as CICS managed data tables. Learn which datsets work best, and how to implement CMDTs on your system. Continue Reading
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June 23, 2008
23
Jun'08
Linux Certification Passport author outlines exam strategy
How can you best prepare for the Linux+ certification exam? Certification authority and Linux Certification Passport author Michael Jang discusses a strategy for success. Continue Reading
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June 20, 2008
20
Jun'08
Sun has deepened PostgreSQL/Solaris integration, says university
Despite initial wariness after Sun's acquisition of MySQL, the University of Waterloo now commends the new Sun Solaris 10 OS update for improved integration with PostgreSQL. Continue Reading
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June 19, 2008
19
Jun'08
IBM Roadrunner
Roadrunner is the fastest supercomputer in the world, twice as fast as Blue Gene and six times as fast as any of the other current supercomputers. IBM developed Roadrunner for the Los Alamos National Laboratory in New Mexico. (Continued...) Continue Reading
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June 19, 2008
19
Jun'08
Red Hat beefs up identity and security management
Red Hat has created a new automation and security management product for physical and virtual systems and, with Project SpaceWalk, has opened up its Network Satellite code to the open source community. Continue Reading
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June 19, 2008
19
Jun'08
How to use Unix file system snapshots
File system snapshots are a great Unix systems administration tool. Learn how to use them to copy database files with minimal downtime. Continue Reading
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June 17, 2008
17
Jun'08
Linux on the mainframe: Analyze thy workloads
In an interview, Cirba's CTO and co-founder discusses which workloads are suitable for mainframe zLinux, why analyzing workloads is important and how the z10 mainframe is different from the z9. Continue Reading
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June 16, 2008
16
Jun'08
HP puts fault-tolerant NonStop on a blade
HP's latest fault-tolerant Integrity NonStop servers may rival the IBM mainframe. They come on a c-Class BladeSystem blade for mainframe-level availability in a more cost-effective and energy-efficient platform. Continue Reading
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June 16, 2008
16
Jun'08
Uninterruptible power supply load bus synchronization: Yes or no?
Should you consider paying the additional cost of a Load Bus Synchronization system for your uninterruptible power supply? Data center experts Syska Hennessy weigh in. Continue Reading
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June 13, 2008
13
Jun'08
zinc whiskers
Zinc whiskers are tiny growths of elemental zinc that form on the surfaces of objects that are electroplated, or galvanized, with zinc. Continue Reading
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June 13, 2008
13
Jun'08
tin whiskers
Tin whiskers are individual crystals of tin that grow spontaneously from a tinned surface, usually as a result of stress of some sort... (Continued) Continue Reading
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June 13, 2008
13
Jun'08
computer room air conditioning unit (CRAC)
A computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a network room or data center. CRAC units are replacing air-conditioning units that were used in the past to cool ... Continue Reading