PUBLIC MARKS with tags programming & unix

Learn how to preserve the integrity of your XML documents and maintain digital signatures to help ease the time and costs associated with auditing requirements.

SQLAlchemy is a next-generation Python Object Relational mapper. Learn how to use the new 0.5 API, work with third-party components, and a build a basic Web application.

OpenBSD provides a UNIX distribution with a primary emphasis on security and cryptography. If you're looking for a UNIX distribution to deploy in the most critical nexus in your network infrastructure, look no further than OpenBSD. The recent release of OpenBSD—version 4.3—includes several new features and bug fixes that this article reviews.

Visit IBM developerWorks to download a free trial of IBM Data Studio Administrator for DB2 for Linux, UNIX, and Windows V1.2. Data Studio Administrator improves database administrators' (DBAs') productivity and reduces application outages by automating and simplifying complex DB2 structural changes.

Often it is difficult to make the transition from procedural scripting to object-oriented programming. This article explores how to reuse knowledge from PHP, Bash, or Python scripting to transition to object-oriented programming in Python. The article also briefly touches on the appropriate use of functional programming.

Learn about Live Partition Mobility, a feature of the System p virtualization PowerVM Enterprise edition. See how Live Partition Mobility can be applied to DB2 deployments, and how it helps you migrate AIX and Linux partitions and hosted applications from one physical server to another compatible physical server.

This e-Kit provides information focused on helping business analysts empower their organizations to improve communication, move faster, and provide clarity for teams and stakeholders looking to deliver on ever-evolving business objectives.

Discover how and why existing systems and applications with which you are already familiar deployed on operating systems that you know well are so critical to the present and future of Web-based computing, particularly in the area of SOA.

Download your free trial of IBM solidDB V6.1, relational in-memory database software that delivers extreme speed, performing up to ten times faster than conventional databases.

Maintaining and adding new features to legacy systems developed using C/C++ is a daunting task. Fortunately, doxygen—a documentation system for the C/C++, Java, Python, and other programming languages—can help. Discover the features of doxygen in the context of projects using C/C++ as well as how to document code using doxygen-defined tags.

This article corrects an egregious oversight by covering Scala's package and access modifier facilities. Continue the exploration of the functional side of Scala, this time having a quick look at the "apply" mechanism.

Download a free trial version of IBM Rational Business Developer V7.1, which offers rapid and simplified development of business applications and services through Enterprise Generation Language (EGL) tools, generating Java or mainframe solutions while shielding developers from technical complexities.

So you've been the IBM AIX guru on your team for years now and your bosses have determined that they want to try Linux on System p. The purpose of this article is to introduce Linux to AIX administrators. It will show you what you need to know to make the transition to Linux simpler.

Inversion of Control (IoC) and Web Services Business Process Execution Language (WS-BPEL) can be effective tools for implementing dynamic business workflows. In this article, learn business workflows' dynamic nature and proposes a two-layer workflow model that lets you use XML to build configurable and flexible solutions.

Representational state transfer (REST) is a style of designing loosely coupled applications that rely on named resources rather than messages. Using the open source Restlet framework makes building RESTful Web services a snap. This tutorial guides you step-by-step through the fundamental concepts of REST and building applications with Restlets.

AIX provides a vast array of commands to handle user and group management. This article discusses some of these core security commands and provides a list that you can use as a ready reference.

Utility-class development and maintenance eats into programmer time. Boost simplifies the process by providing several high-quality libraries that you can easily integrate into your existing code base. This article gives a quick overview of some of the more popular Boost utility classes and helps you understand how to put them to work.

Download the IBM Rational Requirements Composer V7.1 open beta code and enhance your requirements elicitation and definition capabilities with this easy-to-use visualization and collaboration toolset.

This article covers the advanced security features of IBM AIX V6.1, Trusted Execution environment. It educates AIX system administrators on how to ensure system integrity at run-time as well as at stand-by time. This article, which acts as a starting point to learn about the Trusted Execution environment, also covers the most commonly used commands and examples.

In a Kerberos environment, protecting principals' passwords is imperative to preserve the system security. Learn how Kerberos administrators can take advantage of the password protection and password strength enhancement features provided by IBM Network Authentication Service (NAS) for AIX.

Discover how you can deliver Session Initiation Protocol (SIP) based applications with speed and quality in the SIP application delivery eKit. This complimentary eKit provides a collection of materials like articles, podcasts, webcasts, and demos to help you understand how to use IBM Rational software to model, code and test SIP-based applications.

Visit IBM developerWorks to download a free trial version of IBM Rational Team Concert, a member of the Rational Team Concert family of products built on the Jazz Technology Platform. Jazz is a scalable, extensible team collaboration platform for seamlessly integrating tasks across the software lifecycle.

Participate in the open beta program for IBM Rational Quality Manager, a collaborative, web-based quality management solution for test planning, workflow control, and tracking and metrics reporting. Rational Quality Manager enables you to quantify how project decisions and deliverables impact and align with business objectives.

The IBM AIX operating system has kept to what's important: stability, functionality, robustness. And it has done it by keeping a strong command-line interface (CLI). If you never learned to use the CLI or need a refresher on its basics, read on.

A systems administrator always needs to be cognizant of system performance. This article drills down into the many aspects of tuning AIX to run Oracle. We'll look at the Virtual Memory Manager (VMM), CPU, Memory, and I/O (disk and network).