Features

Features

• COBOL, VS-COBOL-II and MFCOBOL: What's the difference?

  The original COBOL compiler grew into greater addressability with VS- COBOL-II MFCOBOL and increased functionality in MFCOBOL.  Continue Reading

• How to solve abend code 4038

  A user faces the abnormal ending abend code 4038 in the process of migrating from VS COBOL runtimes to LE.  Continue Reading

• ASHRAE data center infrastructure book eases bad vibrations

  The fifth book in ASHRAE's datacom series, Structural and Vibration Guidelines for Datacom Equipment Centers, offers guidelines for easing the effects of shock and vibration on data center physical infrastructure.  Continue Reading

• Mastering MySQL: Ten essential tips

  We've put together our most-read tips on MySQL to help get you started on using this open source relational database management system.  Continue Reading

• How can I avoid overheating a 42-unit rack that's full of 1-unit servers?

  Expert Robert Macfarlane discusses strategies for dealing with overheating servers in a 42U rack.  Continue Reading

• Do dual-corded servers connected to separate uninterruptible power supplies draw power from both?

  Dual-corded servers are intended to share the load from UPS systems for overload protection. But do they really work? Expert Robert Macfarlane discusses dual-corded equipment and why data center managers need to be careful when shopping for them.  Continue Reading

• How do I measure the cooling consumption of my data center?

  Measuring cooling consumption in the data center is an approximate science. Here are a few strategies to help you get the information you need to determine cooling in your data center.  Continue Reading

• Do I need isolated grounds in my data center?

  Isolated grounds were developed for early computers. But are they still necessary for today's data center? Read what expert Robert Macfarlane has to say.  Continue Reading

• How should I use vapor barriers in the data center?

  Whether to use vapor barriers in the data center is debatable. Expert Robert Macfarlane discusses how, why, and if they should be used.  Continue Reading

• What is the minimum ceiling height in a data center?

  Assessing appropriate ceiling height in the data center can be tricky. It depends on, obviously, how much space you have to work with and factors such as your fire suppression system and cabling. Expert Robert Macfarlane offers some advice.  Continue Reading

• How do I implement an access control system in the data center?

  Implementing an access control system improves data center security. Expert JP Callahan discusses how.  Continue Reading

• How do I cool high-density racks?

  High-density heat in the data center got your uptime low? Data center cooling expert Steve Madara offers advice for cooling your high-density racks.  Continue Reading

• What strategies will help organize a messy data center?

  Data center design and physical infrastructure expert Carrie Higbie offers some simple, but often neglected, strategies for organizing a messy data center.  Continue Reading

• Migrating from Unix-Linux in 7 steps

  Make sure you've got all your bases covered with this checklist on the process of migrating from Unix to Linux.  Continue Reading

• Sybase on Linux: How-to's and help

  Here are some shortcuts for using Sybase on Linux. You'll get advice on starting using Perl to access stored Sybase data, shutting down SQLServer using Sybase ASE and more.  Continue Reading

• AFCOM -- The leading association for data center professionals

  AFCOM is a leading association for data center professionals, offering services to help support the management of data centers around the world. AFCOM was established in 1980 to offer data center managers the latest information and technology they ...  Continue Reading

• IPsec architectures and implementation methods

  In this excerpt of The TCP/IP Guide, author Charles M. Kozierok explains the three different implementation architectures defined for IPsec: integrated, bump in the stack (BITS) and bump in the wire (WITW).  Continue Reading