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Databases

SQLAlchemy

By Reuven Lerner 

Although it sometimes might seem as if relational databases have gone the way of the dinosaur, making way for non-relational (NoSQL) databases, such as MongoDB and Cassandra, a very large number of systems still depend on a relational database. more>>

Database Integrity and Web Applications

By Reuven M. Lerner 

Want to improve the integrity of your data? Place constraints in the database, as well as in your application. more>>

The Past, Present and Future of GIS: PostGIS 2.0 Is Here!

By Stefano Iacovella 

Extend PostgreSQL's capabilities with PostGIS 2.0 and discover all the magic of spatial databases. more>>

Database

Moving Databases

By Shawn Powers 

I recently moved my personal website from GoDaddy to my home server. I have a business connection at my house, and my site gets little enough traffic that hosting at home on my static IP makes sense. Moving the files wasn't really difficult, I FTP'd them down from the old server, and SFTP'd them up to the new server. Moving the database was a bit more challenging, however. more>>

<h3> Processing </h3>

REDCap: A Tool for Collecting Clinical Trials Data

By Doug.Roberts 

In the course of my day job I tend to get drawn into interesting niche projects because of my Linux expertise. Recall that the Mothership (that corporate entity located somewhere on the East coat which pays me fairly well to work for them) is *shudder* a Windows shop, primarily. more>>

PostgreSQL 9.0 Released

By Mitch Frazier 

PostgreSQL version 9.0 was released yesterday (Sept 20th). The 9.0 version of PostgreSQL includes a number of important new features, more new features in fact than any previous release. more>>

Quick and Dirty with Open Office Base.

By Mike Diehl 

Even with all of the high quality software available, sometimes you just have to break down and write a custom application, and usually you don't have a lot of time to devote to it. This is the situation I found myself in when my wife started a new business and needed a simple means of tracking sales leads. more>>

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Fabric-Based Computing Enables Optimized Hyperscale Data Centers

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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Red Hat White Paper: Using an Open Source Framework to Catch the Bad Guy

Built-in forensics, incident response, and security with Red Hat Enterprise Linux 6

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.

Learn more about catching the bad guy in this free white paper.

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Sponsored by DLT Solutions