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Get started with Docker and Kubernetes
Docker and Kubernetes are the building blocks of the next generation of DevOps. In this tutorial, you'll see how to build Docker images, run them locally, and then push those images to your IBM Cloud account so you can deploy them to a Kubernetes cluster running in the IBM Cloud.
Articles 16 Jan 2018
Coffee with Blockchain: Filtering out the hype
Blockchain is a secure way to exchange goods, services, and information. This article uses a tangible example to explain the core concepts of blockchain, including smart contracts that automatically execute business logic that the participants agree upon, and a shared ledger that guarantees the quality and lineage of goods or services. It also describes the way that blockchain enables collaboration and encourages new business models to emerge.
Articles 16 Jan 2018
IBM Connections Customizer Tutorial, Part 5
IBM Connections Customizer lets developers modify the look and behavior of Connections easily and comprehensively. The Introduction to Connections Customizer tutorial series is a quick way learn about Customizer. The fifth video in the series shows how to use Customizer design properties to make sophisticated modifications to the Customizer user interface.
Videos 15 Jan 2018
Introduction to IBM Connections Customizer
IBM Connections Customizer lets developers modify the look and behavior of Connections easily and comprehensively. The Introduction to Connections Customizer tutorial series is a quick way learn about Customizer. The second video in the series shows you how to use the Firefox Grease Monkey scripting extension and takes you through creating a Hello World customization.
Videos 15 Jan 2018
IBM Connections Customizer Tutorial, Part 3
IBM Connections Customizer lets developers modify the look and behavior of Connections easily and comprehensively. The Introduction to Connections Customizer tutorial series is a quick way learn about Customizer. The third video in the series shows you how to get set up on IBM Connections Cloud, how to enable Customizer, and how to share your customizations with IBM.
Videos 15 Jan 2018
IBM Connections Customizer Tutorial, Part 1
IBM Connections Customizer lets developers modify the look and behavior of Connections easily and comprehensively. The Introduction to Connections Customizer tutorial series is a quick way learn about Customizer. The first video in the series introduces the concepts behind Customizer, how it works, and what it can do for you.
Videos 15 Jan 2018
IBM Connections Customizer Tutorial, Part 4
IBM Connections Customizer lets developers modify the look and behavior of Connections easily and comprehensively. The Introduction to Connections Customizer tutorial series is a quick way learn about Customizer. The fourth video in the series shows how three sample customizations were created, to showcase the range of customization possibilities the new feature makes available.
Videos 15 Jan 2018
Taking control of the IBM Connections user experience
If you’ve ever wanted to change the way IBM Connections looks or behaves, the new IBM Connections Customizer gives you the control you’ve been looking for. In this article, you’ll learn how Customizer lets you change the Connections user interface, and how you can get started using Customizer right away.
Articles 15 Jan 2018
IBM Connections Customizer is available! What's New?
The formal release of IBM Connections Customizer on IBM Connections Cloud took place on Friday, December 8th 2017. This means that any tenant organization of IBM Connections Cloud on the North America or Europe data centres can now sign up for this new production offering and use it to modify the out-of-the-box IBM Connections user experience.
Articles 15 Jan 2018
IoT Lessons Learned: Lessons learned while building a closed-loop, full-stack cognitive IoT application
In this lessons learned article, discover how this lifetime hacker hacked together emerging IoT and cognitive technologies to create a proof-of-concept for an age-in-place healthcare scenario. The lessons included: cognitive IoT apps must be learning systems; context defines success; and you don't always know what you don't know.
Articles 15 Jan 2018
Making the cut: Top Java content from developerWorks
A quick rundown of the top content published in the Java hub in 2017.
Articles 15 Jan 2018
IBM Lotus Domino 8.0.1 for 64-bit server performance
Learn how the 64-bit IBM® Lotus® Domino® 8.0.1 server performs against 32-bit Lotus Domino 8.0.1 using the N8Mail workload.
Articles 11 Jan 2018
Analyze crime data with Apache Spark and Hive ETL, Part 2: Explore the analyses
In this second part of the "Analyze crime data with Apache Spark and Hive ETL" tutorial series, you will learn how to integrate data from different sources. You will also see the computation of normalized statistics for crime rates enabling easy comparison of crime rates across different geographic areas.
Articles 10 Jan 2018
10 steps to set up a multi-data center Cassandra cluster on a Kubernetes platform
Learn how to deploy an Apache Cassandra NoSQL database on a Kubernetes cluster that spans multiple data centers across many regions. The benefits of such a setup are automatic live backups to protect the cluster from node- and site-level disasters, and location-aware access to Cassandra nodes for better performance.
Articles 09 Jan 2018
Create an artificial neural network using the Neuroph Java framework
Build an artificial neural network (ANN) using the Java language and Neuroph open source framework.
Articles 08 Jan 2018
Using N_Port ID Virtualization (NPIV) with kernel-based virtual machine (KVM) guests on IBM Power servers
This article provides the basic steps to use N-Port ID Virtualization (NPIV) technology in a kernel-based virtual machine (KVM) guest. Additionally, the article also provides the significance of NPIV allowing multiple guests to make use of a single physical host bus adapter (HBA) to access multiple storage devices.
Articles 08 Jan 2018
ISV solution ecosystem for Hortonworks on IBM Power Systems
This article provides a list of ISV solutions that can augment the capabilities of Hortonworks Data Platform (HDP) running on Linux on IBM Power Systems. Solutions cover many categories including business intelligence (BI) tools, advanced analytics, and so on.
Also available in: Chinese  
Articles 05 Jan 2018
Java 8 idioms: Functional purity
Functional pipelines can greatly increase the efficiency and performance of your code, especially when combined with lazy evaluation and parallelization. In this article you'll learn the rules of functional purity, and why you should always strive to keep lambda expressions pure in your functional pipelines.
Articles 05 Jan 2018
Analyze crime data with Apache Spark and Hive ETL, Part 1: Learn about Extract, Transform, and Load (ETL)
In this tutorial, you learn to analyze U.K. crime data from inception to final results, covering data download, data transformation and loading into a distributed data warehouse, Apache Hive, then subsequent analysis using Apache Spark. Part 1 describes the Extract, Transform and Load (ETL) activities.
Articles 04 Jan 2018
Cleansing, processing, and visualizing a data set, Part 2: Gaining invaluable insight from clean data sets
Learn about VQ and ART algorithms. VQ quickly and efficiently clusters a data set; ART adapts the number of clusters based on the data set.
Articles 04 Jan 2018
Create unit tests for pure OpenWhisk actions
The modular nature of OpenWhisk applications makes it easy to create unit tests for actions that are purely functionalmeaning they have no side effects and do not rely on external state. In this tutorial, you'll learn how to create these unit tests semi-automatically, and how to run the tests to verify that code changes do not break anything.
Articles 04 Jan 2018
Building connected cities with new and existing IoT technologies
Many cities and towns around the world are turning to IoT to solve urban problems, such as traffic congestion, and to improve the safety and quality-of-life of their citizens. This article explores connected cities and some of the challenges that are involved in developing city-wide IoT solutions.
Also available in: Chinese   Portuguese   Spanish  
Articles 03 Jan 2018
Connecting all the things in the Internet of Things
In this guide for IoT connectivity, learn about widely adopted technologies and standards for IoT networking and why you might choose one network protocol over another. Also, learn about the key considerations and challenges related to networking in IoT.
Also available in: Chinese   Japanese  
Articles 03 Jan 2018
Streamlining the development of your IoT applications by using an IoT platform
This article explores the key capabilities of IoT platforms and considers the top general-purpose end-to-end IoT platforms. You'll learn why you should adopt an IoT platform to rapidly develop your IoT solutions and quickly get the most value from your IoT data.
Also available in: Chinese   Japanese  
Articles 03 Jan 2018
Choosing the best hardware for your next IoT project
This article provides a balanced overview of different types of hardware that are commonly adopted for IoT, including micro controllers (for example, Arduino), single board computers (for example, Raspberry Pi), and embedded devices. The article describes the high-level building blocks and key characteristics of hardware, including an overview of needed security features and firmware capabilities, in the context of IoT. The article also provides guidance for when, where and why a developer might choose one type of hardware over another for an IoT project, and examples of use across a range of industries.
Also available in: Chinese   Japanese  
Articles 03 Jan 2018
Get started developing IoT solutions by building a simple home automation system
Get started developing IoT solutions quickly and easily. In just four steps, learn how you can build a simple home automation IoT solution. After you connect the sensors to the Raspberry Pi, you learn how to set up and configure the Pi. Then, you learn how to create Node-RED flows to set up the logic for the home automation system. Lastly, you learn how to install your prototyped system and begin using it.
Also available in: Chinese  
Articles 03 Jan 2018
IoT 101: Getting started with IoT development
Get started developing IoT solutions with this developerWorks quick-start guide. IoT 101 is for application developers who are new to Internet of Things technologies and who need a way to get up and running quickly.
Also available in: Chinese   Japanese  
Articles 03 Jan 2018
Build your skills in IoT development by developing a Healthy Habits Tracker
Build your IoT development skills quickly and easily. In just four steps, learn how you can build a healthy habits tracker system. You learn how to assemble the IoT device, connecting several components from an IoT developer kit, and then you learn how to configure the ESP8266 microcontroller. After getting your IoT device connected to an IoT Platform, you get your Java IoT app running locally and in the cloud.
Also available in: Portuguese   Spanish  
Tutorial 03 Jan 2018
IoT 201: Building skills in IoT development
Continue building your skills in developing IoT solutions with this developerWorks next-steps developer guide. IoT 201 is for application developers who are taking the next steps in using Internet of Things technologies to build new and innovative apps.
Also available in: Portuguese   Spanish  
Articles 03 Jan 2018
Managing your IoT devices
In this article, discover how the IoT device management protocols and features help you address many IoT device management challenges, including scalability and availability among others.
Articles 03 Jan 2018
Making sense of IoT data
IoT solutions are most successful when they do something with all that data that is generated, when they make sense of all that data. In this article, learn best practices in storing, analyzing, and applying rules to take action on your IoT data.
Articles 03 Jan 2018
Master your IoT development skills by extending an IoT system
In this tutorial, master your IoT development skills by extending an existing IoT system. In just 3 steps you explore the device management, visualization, and analytics capabilities of Watson IoT Platform.
Tutorial 03 Jan 2018
IoT 301: Mastering IoT development
Master your IoT development skills with this developerWorks advanced developer guide. IoT 301 is for application developers who are using Internet of Things technologies to extend and enhance their innovative IoT apps.
Articles 03 Jan 2018
Use Eclipse Oxygen and WebSphere Liberty for rapid JPA Enterprise development
Learn how to create Java Persistence Architecture (JPA) entities.
Articles 03 Jan 2018
Installation and configuration of Apache Subversion on IBM AIX 7.1 with LDAP and SSL
Apache Subversion installation particularly on IBM AIX can be tricky because of Subversion's dependencies on many other packages. Traditional installation using RPM Package Manager (RPM) packages by resolving dependencies of Subversion on AIX is quite complex. Resolving dependencies also involves installing particular versions of dependent packages. This article describes how to install and configure Subversion on AIX 7.1 using yum configuration. This method makes the Subversion installation easier on AIX 7.1 and also enables to configure Subversion with Apache using SSL and LDAP.
Articles 03 Jan 2018
Get started with the JSON Binding API, Part 2: Default mapping with JSON-B
The new JSON Binding API binds Java and JSON seamlessly, and its default mappings satisfy many simple use cases. JSON-B's default configurations will be intuitive for most developers, and cover a wide range of serialization and deserialization options and scenarios.
Articles 03 Jan 2018
Accelerate the path to PCI DSS data compliance using IBM Guardium
This article gives you a step-by-step overview of using the Payment Card Industry (PCI) Data Security Standard (DSS) accelerator that is included with the standard IBM Guardium data security and protection solution. The PCI DSS is a set of technical and operational requirements designed to protect cardholder data and applies to all organizations who store, process, use, or transmit cardholder data. Failure to comply can mean loss of privileges, stiff fines, and, in the case of a data breach, severe loss of consumer confidence in your brand or services. The IBM Guardium accelerator helps guide you through the process of complying with parts of the standard using predefined policies, reports, group definitions, and more.
Articles 01 Jan 2018
Top Internet of Things articles and tutorials (December 2017)
The most popular articles for 2017 on the Internet of Things are highlighted in this article for your convenience.
Articles 31 Dec 2017
Top Internet of Things articles and tutorials
This article compiles all of the previous top tutorials lists.
Articles 31 Dec 2017
Learn Linux, 101: Mail transfer agent (MTA) basics
Learn how to configure mail aliases and mail forwarding for the sendmail program on Linux. Learn about some alternative mail transfer agents. Use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.
Articles 21 Dec 2017
IBM Blockchain 101: Quick-start guide for developers
Join the blockchain revolution! This developerWorks quick-start guide is for application developers who are exploring blockchain technology and want to quickly develop a blockchain network and deploy applications. Simple instructions show you how to activate a blockchain network based on the latest Hyperledger Fabric framework, write and install chaincode (business logic for the network), and develop client applications to streamline business processes and digital interactions.
Also available in: Chinese   Russian   Japanese   Portuguese  
Articles 21 Dec 2017
Build an enhanced IT help desk chatbot on IBM i with Watson Conversation
Chatbots are conversational robots that simulate conversation, and can interact with users in natural language. By harnessing both the power of the IBM Cloud Watson services and the power and openness of IBM i, you can open up your chatbot to countless creative applications (such as a virtual agent) that can understand and automatically solve password-related issues. This article guides you to implement a prototype of such a chatbot running on IBM i that links the IBM Watson Conversation service and IBM i to Slack, which is the messaging team collaboration tool.
Articles 20 Dec 2017
Turn your smartphone into an IoT device
Learn how to turn your smartphone into a sensor device, send sensor data to IBM Watson IoT Platform in the cloud, and create IBM Cloud applications that process and visualize the data. You create an Android app and two IBM Cloud apps that use the Internet of Things and Node-RED services.
Also available in: Chinese   Russian   Japanese   Portuguese  
Articles 18 Dec 2017
Model-first microservices with Scala and Cats
Find out how Scala's powerful type-system and its capabilities for functional programming can provide an excellent canvas for dealing with microservice composition and the problems that can arise from it. This article will also focus on a model-driven development style. Microservices often implement a Bounded Context, a concept from domain-driven design that maps a specialized subset of the domain model. It's important to ensure that domain concepts continue to stand out clearly and don't get compromised in the presence of concurrency and error-handling routines.
Articles 18 Dec 2017
Get started with Keras
This article gives you a quick overview of Keras, a Python-based, deep-learning library. Learn about the framework's benefits, supported platforms, installation considerations, and supported back ends.
Articles 18 Dec 2017
Get started with Deeplearning4j
Eclipse Deeplearning4j (DL4j) is a framework of deep learning tools and libraries that take advantage of the Java Virtual Machine, making it easier to deploy deep learning in enterprise big data applications.
Articles 18 Dec 2017
Get started with the JSON Binding API, Part 4: Is it time for a JSON binding standard?
Comparing Gson, Jackson, and JSON-B highlights inconsistencies in basic features and behaviorand demonstrates the potential for a new JSON binding standard.
Also available in: Chinese  
Articles 15 Dec 2017
Offloading your Informix data in Spark, Part 5: Machine Learning will help you extrapolate future orders
Part 5 of this tutorial series teaches you how to add machine learning to your data to help you extrapolate future orders.
Articles 15 Dec 2017
Hyperledger Composer basics, Part 3: Deploy locally, interact with, and extend your blockchain network
In this tutorial, the third and final installment in this series, learn how to modify a sample blockchain network definition and transform it into a real-world blockchain application, write Cucumber feature tests, issue IDs for all participants, and execute every transaction through the CLI.
Articles 14 Dec 2017
Getting started with IBM Connections Engagement Center
IBM Connections Engagement Center (ICEC) provides an easy way to build a social intranet by creating a portal-like experience using various out-of-the-box and custom widgets.
Articles 14 Dec 2017
Cleansing, processing, and visualizing a data set, Part 1: Working with messy data
Discover common problems associated with cleansing data for validation and processing, with solutions for dealing with them. You'll also find a custom tool to make the process of cleansing data and merging data sets for analysis.
Articles 14 Dec 2017
IBM Datacap 9.0, 9.0.1, 9.1.0, 9.1.1 and 9.1.3 DDK Datacap Desktop Custom Panels
User interaction with IBM Datacap can occur when physically scanning pages or when reviewing problems found while processing pages. Here, you can find the information to create your own panels to be used within an IBM Datacap application. Custom panels present alternative layouts and manipulation of fields and data.
Also available in: Chinese   Russian  
Articles 14 Dec 2017
Get started with the JSON Binding API, Part 3: Custom binding with JSON-B
The JSON Binding API makes customizing data serialization and deserialization easy and intuitive, and it puts a lot of power in your hands. Learn how to use and combine annotations and runtime configuration to control the binding and appearance of properties, fields, date and time formats, and more. Then get started using JSON-B adapters and low-level serializers and deserializers to change the logic of operations in JSON-B.
Also available in: English  
Articles 13 Dec 2017
Know which authentication methods to use for your hybrid cloud
The different options within IBM Cloud bear diverse requirements to the authentication of users. This article explains the various possibilities on how IBM Cloud users are managed and authenticated. We focus on developers, administrators, or operators that need to log in to the IBM Cloud platform to develop and maintain their applications. Applications that run on top of IBM Cloud can use any authentication method that is appropriate for the application’s purpose.
Also available in: Japanese  
Articles 12 Dec 2017
Adapt DevOps to cognitive and artificial intelligence systems
Explore an outline of a "cognitive DevOps" process that refines and adapts the best parts of DevOps for new cognitive or artificial intelligence applications. Specifically, the tutorial covers applying DevOps to the training process of cognitive systems including training data, modeling, and performance evaluation.
Articles 12 Dec 2017
Automate operational business decisions with Weather Data and Business Rules services on IBM Cloud, Part 2: Complete your sample weather cancellation service
In this second installment of a two-part tutorial on how to combine Weather Data and Business Rules IBM Cloud services to automate operational business decisions based on weather conditions, you will take a closer look at the decision operation created in Part 1, learn how to create simple business rules that use weather data and a rule flow that includes these rules, and deploy the decision operation to IBM Cloud. A Node-RED flow will orchestrate a call to the weather data, the Business Rules service, and take action based on the outcome executing business rules.
Articles 12 Dec 2017
Migrating from Watson Retrieve and Rank to Discovery, Part 2: Add your data to Watson Discovery
The first part of this series introduced how to migrate from Watson Retrieve and Rank to Watson Discovery service using original source data. In this part, we'll look at how to migrate applications by taking data directly from Watson Retrieve and Rank and adding it to Watson Discovery.
Articles 12 Dec 2017
Scan your app to find and fix OWASP Top 10 - 2017 vulnerabilities
Today's modern web applications are more than a match for most desktop PC applications and continue to push boundaries by taking advantage of limitless cloud services. But more powerful web applications means more complicated code, and the more complicated the code, the greater the risk of coding flawswhich can lead to serious security vulnerabilities within the application. Web application vulnerabilities face exploitation by relentless malicious actors, bent on profiteering from data theft, or gaining online notoriety by causing mischief. This article looks at securing web applications by adopting industry best application development practices, such as the OWASP Top 10 and using web application vulnerability scanning tools, like IBM Rational AppScan.
Also available in: Russian  
Articles 12 Dec 2017
Introducing JUnit 5, Part 1: The JUnit 5 Jupiter API
If you've been on the fence about upgrading to the new JUnit 5, this tutorial should convince you. Get started with the JUnit Jupiter API and the new annotations, assertions, and assumptions that are about to rock your world.
Tutorial 11 Dec 2017
Introducing JUnit 5, Part 2: JUnit 5 Vintage and the JUnit Jupiter Extension Model
Find out how JUnit Vintage has you covered for backward compatibility with older versions of JUnit, then get started with JUnit Jupiter extensions for parameter injection, paramaterized tests, dynamic tests, and custom annotations in the new JUnit 5.
Articles 11 Dec 2017
QlikView integrated with Hortonworks Data Platform (HDP) running on IBM Power Systems
QlikView is a business intelligence tool that allows data to be discovered and visualized. QlikView supports Hadoop environments as a data source. Read this article for details about how QlikView was tested to integrate with and visualize data in Hortonworks Data Platform (HDP) on IBM POWER8.
Articles 10 Dec 2017
Tableau integrated with Hortonworks Data Platform (HDP) running on IBM Power Systems
Tableau is a business intelligence tool that allows data to be discovered and visualized. Tableau supports Hadoop environments as a data source. Read this article for details about how Tableau Desktop was tested to integrate with and visualize data in Hortonworks Data Platform (HDP) on IBM POWER8.
Articles 09 Dec 2017
MicroStrategy integrated with Hortonworks Data Platform (HDP) running on IBM Power Systems
MicroStrategy is a business intelligence tool that allows data to be explored and visualized. MicroStrategy supports Hadoop environments as a data source. Read this article for details about how MicroStrategy Desktop was tested to integrate with and visualize data in Hortonworks Data Platform (HDP) on IBM POWER8.
Articles 08 Dec 2017
vStorm Enterprise integrated with Hortonworks Data Platform (HDP) running on IBM Power Systems
Veristorm vStorm Enterprise makes data migration to Hadoop environments flexible, secure and easy. vStorm already supports data movement to Hadoop solutions running on Linux on IBM Power Systems. Read this article for details about how vStorm was tested to integrate with and move data specifically to Hortonworks Data Platform (HDP) on IBM POWER8.
Articles 08 Dec 2017
Authorize with a Cloudant proxy
It is sometimes useful to have more granular access controls on a database than the controls that are provided by Cloudant. In this tutorial, you learn how to create a Cloudant proxy that is under your control. Using such a proxy, you can implement the appropriate authorization model to the system.
Also available in: Chinese  
Tutorial 06 Dec 2017
Java 8 idioms: Using closures to capture state
Whereas lambda expressions rely on internal parameters and constants, closures look to variables for additional information. Find out how to use closures to carry state from a defining context to the point of execution in your programs.
Articles 06 Dec 2017
Make your websites smarter with Schema.org, Part 1: Introduction to the Schema.org information model
Schema.org is an initiative originally created by search engine companies and experts to support web publishers by describing the things that web pages are actually about. This series, in which I explain the Schema.org core information model, helps you expand your web developer skills and get a head start on advances in search engine platforms and personal assistants like Siri, Google Assistant, and Alexa.
Articles 05 Dec 2017
Models for machine learning
Take a dive into the algorithms used in machine learning. Learn about supervised, unsupervised, and reinforcement learning, as well as the models that make them work.
Also available in: Chinese  
Articles 05 Dec 2017
Make your websites smarter with Schema.org, Part 2: The Schema.org syntaxes
This part of a four-part series that shows you how to translate the abstract information model for data in your web pages into one of the three formats supported by Schema.org: RDFa, Microdata, and JSON-LD.
Articles 05 Dec 2017
Unsupervised learning for data classification
Discover the theory and ideas behind unsupervised learning and its possible application in exploring data and data sets.
Articles 04 Dec 2017
IPsec tunnel configuration between IBM AIX and Microsoft Windows, Part 3: IKEv2 IPsec tunnels between AIX 6.1 or later versions and Windows 2012
Your article abstract goes here. Put the main points and key phrases at the beginning of the abstract, because it will be truncated in search results. Make your abstract enticing yet succinct. Aim for three to five sentences that express why the reader would care about the content (motive) and what he or she can gain from reading the content (benefits).
Articles 04 Dec 2017
Think Big with Decision Composer on IBM Cloud
Learn step-by-step how to deploy a Decision Composer application to the Business Rules service and run it within Hadoop. Access IBM Cloud Lite free.
Also available in: Chinese   Japanese   Portuguese   Spanish  
Articles 04 Dec 2017
New and enhanced Guardium Outlier Detection
Learn how Guardium database monitoring is extended with enhanced security intelligenceknown as outlier detectionto detect potential threats based on relative changes in behavior. Use cases, configuration guidance, and operational considerations are covered.
Articles 01 Dec 2017
IPsec tunnel configuration between IBM AIX and Microsoft Windows, Part 2: IKEv1 IPsec tunnels between AIX 6.1 or later versions and Windows 2012
Your article abstract goes here. Put the main points and key phrases at the beginning of the abstract, because it will be truncated in search results. Make your abstract enticing yet succinct. Aim for three to five sentences that express why the reader would care about the content (motive) and what he or she can gain from reading the content (benefits).
Articles 01 Dec 2017
Use UrbanCode to deploy microservices on IBM Cloud
In this tutorial, you'll learn how to design build-and-deploy templates for microservices. You will receive guidance on how to use IBM UrbanCode Deploy to simplify the complex deployments of hundreds of microservices, as well as how to reduce the maintenance effort that comes with build-and-deploy scripts for complex microservice architectures.
Also available in: Chinese  
Articles 30 Nov 2017
Hyperledger Composer basics, Part 2: Refine and deploy your blockchain network
This tutorial builds on the sample blockchain network introduced in Part 1 and takes you deeper into the Hyperledger Composer suite of developer tools. You'll model an IoT GPS sensor in a shipping container by adding GPS readings to the Shipment asset, and modify the smart contract (chaincode) to send an alert when the Shipment reaches its destination port.
Articles 30 Nov 2017
Resolving symbol information into meaningful function names in tprof
In scenerios where tprof utility fails to resolve the addresses of the symbols, instead reports the symbols in hexadecimal format. This makes perfomance analysis difficult, since the symbols would not have resolved into meaningful function names. This article explains the way in which users can translate the unresolved address in a tprof profile report to meaningful function address using gensyms and dbx commands.
Articles 30 Nov 2017
IPsec tunnel configuration between IBM AIX and Microsoft Windows, Part 1: Generating certificates in AIX and importing certificates to Windows for IKE IPsec tunnels
Your article abstract goes here. Put the main points and key phrases at the beginning of the abstract, because it will be truncated in search results. Make your abstract enticing yet succinct. Aim for three to five sentences that express why the reader would care about the content (motive) and what he or she can gain from reading the content (benefits).
Articles 29 Nov 2017
Quantum computing in action: IBM's Q experience and the quantum shell game
Quantum computing is an ethereal concept. IBM's Q experience gives developers a chance to use the emerging technology and experiment with its capabilities. In this article, learn how a developer used the IBM  Q experience platform to create a classic shell game like the ones played on the streets of big cities. 
Articles 28 Nov 2017
Learn Linux, 101: System logging
Learn how to configure the syslog daemon on your Linux system and how to send log output to a central log server or accept log output as a central log server. Learn about the systemd journal subsystem and rsyslog and syslog-ng as alternative logging systems. Use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.
Articles 28 Nov 2017
Monitor network bandwidth usage and analyze network traffic in the IBM AIX server using ProbeVue
This article helps users to monitor network bandwidth and analyze network traffic in an IBM AIX server using ProbeVue. This provides users with a near real time view of what is happening in their network for a user-specified time interval or when a user specified event occurs. This takes very less time to diagnose certain network issues compared to traditional tools such as IPTRACE and TCPDUMP. This is because ProbeVue provides only the data requested by the user instead of providing the entire data, which requires a lot of time to analyze and diagnose a specific problem.
Articles 28 Nov 2017
Build your first social media dashboard in minutes with Node-RED and Db2 for i
This article explains how to use IBM Db2 for i within a Node-RED flow to rapidly build a solution or prototype on IBM i. In the example illustrated in this article, we build a social media dashboard using 5733OPS Node.js, a Db2 for i node with IBM Watson, dashboard, and Twitter nodes.
Articles 28 Nov 2017
Validating CSRF vulnerabilities reported by automated scanners
This tutorial covers how to manually validate cross-site request forgery (CSRF) vulnerabilities that can be reported by an automated security scanner, such as IBM AppScan. Most automated scanners, including IBM AppScan, do not accurately report CSRF vulnerabilities, as they are built on predefined rules and cannot completely determine the legitimacy of certain types of vulnerabilities like CSRF. To validate such issues, one needs to manually reproduce the vulnerability and decide whether it is indeed true or a false alarm. This tutorial is a step-by-step guide to reproduce and validate the reported CSRF vulnerabilities by using a custom-made flow chart and also provides guidance on using the open source tool "CSRF Tester" that provides a rich functionality to validate such vulnerabilities. 
Articles 27 Nov 2017
Build a cognitive alert system for your IT operations
Learn how to integrate IT service management with AI services on an IoT device. You'll build a cognitive alert system for your IT operations.
Also available in: Chinese  
Tutorial 24 Nov 2017
Developing cognitive IoT solutions for anomaly detection by using deep learning, Part 4: Using Apache SystemML for anomaly detection
This article is the fourth in a five-part series, "Developing cognitive IoT solutions for anomaly detection by using deep learning." This article demonstrates a deep learning solution using Apache SystemML and how it is used to analyze the large amount of data that IoT sensors gather.
Tutorial 22 Nov 2017
Explore MQTT and the Internet of Things service
Learn how to use MQTT to develop device-side and application-side programs using IBM Watson IoT Platform client libraries for Java.
Also available in: Chinese   Japanese   Portuguese  
Articles 22 Nov 2017
Analyzing IoT device movement data
This tutorial builds upon the "Create a fun, simple IoT accelerometer game" tutorial. It shows how to capture 3 different types of movement data (instead of just 1), it shows how to send that data to the IBM Cloud using IBM Watson IoT Platform, and finally it shows how to analyze that data with the Watson Machine Learning service and SPSS Modeler.
Tutorial 21 Nov 2017
JUMP Session demo
The new and improved Connections Cloud Catalog is the first step toward building an “app store” in the Pink world of Connections. This new Catalog, accessible from within Connections, helps customers find out about and easily integrate 3rd party apps into Connections Cloud and in the future, the private cloud. This short video shows you what it looks like, how to use it, and how to deploy it.
Videos 21 Nov 2017
Working with cloned git repos in the IBM Cloud
One of developerWorks' most popular features is Code Patterns, github repos that contain complete projects to get you started with various technologies. This tutorial shows you how to take a cloned repo and tie it to the delivery pipeline for your own app running in the IBM Cloud.
Also available in: Chinese  
Articles 20 Nov 2017
Getting started with TensorFlow
TensorFlow is just one of the many open source software libraries for machine learning. In this tutorial, get an overview of TensorFlow, learn which platforms support it, and look at installation considerations.
Articles 16 Nov 2017
Using data science to manage a software project in a GitHub organization, Part 2: Explore your project with Jupyter Notebooks and deploy it to the Python Package index
Learn how to find project management insights from a GitHub organization and how to create and publish tools to the Python Package Index in this two-part tutorial series.
Also available in: Chinese  
Articles 15 Nov 2017
Building distributed applications with ZeroMQ, Part 2: Get more out of your ZeroMQ application
In Part 1 of this series, I looked at leveraging ZeroMQ to easily build applications that are distributed in nature and can exchange messages with one another over the network. Although the code I shared is suitable for a real-world application, it was lacking in some security areas. In this part, I'll show how to remedy those failings.
Articles 15 Nov 2017
Create a mobile-friendly to-do list app with PHP, jQuery Mobile, and Google Tasks
Want a build a simple mobile app to create and manage your to-do lists? It's easy with the Slim PHP micro-framework, jQuery Mobile, and the Google Tasks API. I'll show you how I did it.
Also available in: Chinese   Japanese  
Articles 14 Nov 2017
Performance improvement using IBM AIX flash cache
This article demonstrates how performance with IBM AIX flash can drastically improve read requests from a storage subsystem by running performance benchmark tests. The test team experimented using different performance benchmarks and measured the performance data to demonstrate the variation with and without AIX flash cache.
Articles 13 Nov 2017
Using data science to manage a software project in a GitHub organization, Part 1: Create a data science project from scratch
In this two-part series, I explain how to find project management insights from a GitHub organization and how to create and publish tools to the Python Package Index.
Also available in: Chinese  
Articles 13 Nov 2017
What's new in Java EE 8
The next edition of the Java enterprise platform is built for the cloud and reactive programming, and will shape enterprise application development for years to come. Get your first look at new APIs and upgrades for Java enterprise security, JSON binding, HTTP/2 server push, and more.
Also available in: Chinese  
Articles 10 Nov 2017
Get started with the JSON Binding API, Part 1: The JSON Binding API in a nutshell
It's been a long wait, but Java EE 8 introduces powerful JSON binding features to the core Java enterprise platform. Get started with default features, custom annotations, and runtime configurations in the new Java API for JSON Binding.
Also available in: English   Chinese  
Articles 10 Nov 2017
Creating a high availability setup for Linux on Power
This article is about high availability or disaster recovery and fail-over for Linux on Power virtual machines (VMs) or logical partitions (LPARs). The solution works for all Linux distributions available for IBM POWER8 and later processor-based servers. Open source software used in this solution are: DRBD and heartbeat, which are available for all supported distributions. We have used Ubuntu v16.04, supported on IBM Power servers to explain and verify the solution.
Also available in: Chinese  
Articles 07 Nov 2017
Java 8 idioms: Cascading lambdas
Venkat explains the mysterious origins of cascading lambdas, a type of syntax that arises from functions returning functions in highly concise code.
Also available in: Chinese  
Articles 07 Nov 2017
Add an organization to your existing Hyperledger Fabric blockchain network using an easy tool
In this tutorial, learn how to add an organization and its peers to an application channel in an already running Hyperledger Fabric blockchain network. In the process, you'll see how the configtxlator tool simplifies configuration tasks in Hyperledger Fabric blockchain networks and provides a true stateless REST API, independent of the SDK.
Also available in: Chinese  
Articles 07 Nov 2017
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