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7 tips for getting started with R language
This article gives you 7 tips to make it easier and faster to start using the powerful R language. Learn about R packages, how to structure data in R, and the powerful RStudio IDE. Discover how the apply function can save you loads of time when running complicated scripts and how ggplot2 can really make your visuals pop. Finally, see how the Rcpp package allows you to import C++ functions into an R script.
Also available in: Chinese  
23 Feb 2018
Build cognitive solutions for industries, Part 4: Enhancing the simplicity and quality of human-computer interactions
Cognitive computing is becoming increasingly important within the enterprise. In this fourth tutorial in a series, we discuss the primary methodologies and patterns used to build cognitive solutions for the telecommunications and media and entertainment industries.
Also available in: Chinese  
21 Feb 2018
Schedule data backups automatically on IBM Cloud
This tutorial demonstrates how to use the Workload Scheduler service on the IBM Cloud platform to automatically schedule process execution for your IBM Cloud applications. It uses a common example performing a daily database backup to walk you through the process of creating a RESTful PHP service that can be invoked to back up the database. It also demonstrates how to integrate third-party services such as Dropbox and SendGrid to store backup files and send status notifications.
Also available in: Chinese  
19 Feb 2018
IBM AIX multipath I/O (MPIO) resiliency and problem determination
Multipath storage configurations are a key component of data centers. Problem determination of these SAN fabrics becomes more difficult due to ever increasing complexity. This article describes the recent enhancements to the IBM AIX operating system MPIO software, and describes how the IBM AIX lsmpio command can be used during problem determination.
19 Feb 2018
Deploy a Hello World webpage to IBM Cloud
Let's deploy a simple Hello World webpage using nothing but HTML and a static buildpack on IBM Cloud.
Also available in: Chinese   Russian   Japanese  
19 Feb 2018
Changing IBM Connections behavior with IBM Connections Customizer
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 behavior of Connections to suit your business processes.
15 Feb 2018
Get started with the Java EE 8 Security API, Part 1: Java enterprise security for cloud and microservices platforms
As one of the three core specifications introduced with Java EE 8, the new Java EE Security API is an essential addition to your Java EE toolkit, and thankfully not terribly difficult to learn. Find out how the Java EE Security API supports enterprise security in cloud and microservices platforms, while introducing modern capabilities such as context and dependency injection.
Also available in: English   Chinese  
10 Feb 2018
Build your first IoT application
Use Node-RED and Twilio to configure your first IoT application on IBM Cloud. You'll build a complete IoT solution that monitors a remote server and then notifies a user if their computer or IT network is down.
Also available in: Chinese   Russian   Japanese  
07 Feb 2018
Learn Linux, 101: Manage printers and printing
Learn how to manage print queues and user print jobs on Linux using CUPS and the LPD compatibility interface. Use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.
Also available in: Chinese  
06 Feb 2018
IoT solution governance, Part 2: Governing your IoT devices
To address the challenges inherent in planning and implementing complex IoT solutions, teams need a governance model. This article series provides an end-to-end approach to IoT solution governance – from defining governance practices, to governing your IoT devices, to governing your IoT data. Part 2 of this series focuses on governing your devices. Device governance includes choosing the right device for your solution and managing the lifecycle of those devices.
Also available in: Chinese  
06 Feb 2018
Use management APIs and Jenkins as a continuous integration engine for IBM App Connect Professional deployment automation
Check out deployment automation on IBM App Connect (formerly known as WebSphere Cast Iron) by using IBM App Connect Management APIs, the SoapUI client, and Jenkins.
Also available in: Chinese  
05 Feb 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.
01 Feb 2018
Build a simple word game app using Cloudant on IBM Cloud
IBM Cloud is an open platform for developing and deploying web and mobile applications. In this two-part tutorial, we walk you through the steps to create a simple GuesstheWord game application using IBM Cloud and its cloud-based development environment: open toolchains and the IBM Cloud Continuous Delivery service. You will start from scratch and end up with a simple game you can play in a web browser with server code running in the cloud.
Also available in: Chinese   Russian   Japanese   Portuguese   Spanish  
01 Feb 2018
An introduction to data science, Part 1: Data, structure, and the data science pipeline
Data is meaningless if you can't process it to gain insights. The field of data science gives you the tools and methods you need to process data sets effectively and so get the most from the data you collect. In this tutorial, you will Get the basics of machine learning, including data engineering, model learning, and operations.
Also available in: Chinese  
01 Feb 2018
Tuned daemon profiles in Red Hat Enterprise Linux (RHEL) 7.x and CentOS 7.x
This article describes the working of tuned daemon profiles on the Red Hat Enterprise Linux (RHEL) operating system version 7.x and CentOS version 7.x. It also describes the differences in the performance of tuned daemon profiles in the two operating systems.
Also available in: Chinese  
31 Jan 2018
Design for cognitive experiences, Part 1: The human-to-machine communication model
Discover better insights with higher confidence faster than humanly possible. It is the key to taking a first step in the right cognitive application direction: asking not what could it do but what it should do. With artificial intelligence (AI), we have decades of data and research into human thought processes and communication to use a blueprint. To simulate human relationships, we begin by observing and better understanding ourselves.
Also available in: Chinese  
29 Jan 2018
Deploy a sample application to the IBM Blockchain Platform
In this tutorial, see how to create a network on the IBM Blockchain Platform (Enterprise Membership Plan), install a smart contract (chaincode) in a channel on the network, and deploy a sample application to the network. You'll then see how to populate, query, and update the shared ledger.
Also available in: Chinese   Japanese   Portuguese   Spanish  
25 Jan 2018
Lambda functions for rapid prototyping
The serverless nature of lambdas fulfills the cloud promise of having the least amount possible to manage. This new cloud paradigm makes it easier to prototype, experiment, and quickly gather feedback. This article will explore how efficient a workflow can be, what this means for early cloud projects, and how it fits in with containers.
Also available in: Japanese  
24 Jan 2018
Achieving high performance on IBM AIX using Coherent Accelerator Processor Interface (CAPI)
This article describes the Coherent Accelerator Processor Interface (CAPI) Flash support on IBM AIX. CAPI technology has been used on AIX to accelerate I/O operations to IBM Flash storage. AIX CAPI Flash driver stack has been optimized into a monolithic driver model which further reduced the I/O code path length. CAPI Flash technology provides a superior performance advantage in terms of IOPS per processor when compared to the traditional Fibre Channel I/O. We also describe at a high level how a user can use CAPI-based flash devices on AIX.
24 Jan 2018
Code pattern: Mine insights from software development artifacts
There is a lot of unstructured text content that is generated in any domain – software development lifecycle, finance, healthcare, social media, etc. Valuable insights can be generated by analyzing unstructured text content and correlating the information across various document sources. This pattern uses Watson Natural Language Understanding, Python Natural Language Toolkit, OrientDB, Node-RED, and IBM Data Science Experience to build a complete analytics solution that generates insights for informed decision-making.
24 Jan 2018
Getting started with the IBM Cloud, Part 1: Start developing and deploying apps on IBM's cloud platform
See how to start developing and deploying applications in the IBM Cloud. Doug Tidwell takes you through the basics of developing and deploying an app that's available worldwide.
Also available in: Chinese   Japanese  
23 Jan 2018
Digital process automation with BPM and blockchain, Part 2: Enable business processes to react to blockchain events
The combination of Business Process Management (BPM) and blockchain technology dramatically simplifies distributed, collaborative processes between multiple enterprises, through the introduction of a shared ledger used by all the participants. In this tutorial, we go beyond mere data sharing through blockchain, and include blockchain’s "active behavior": its capability to notify participants about successful completion of a transaction, by sending events.
Also available in: Chinese  
22 Jan 2018
Temporary storage and the database, Part 2: Manage your Maintained Temporary Indexes (MTIs)
The SQL optimizer uses Maintained Temporary Indexes (MTIs) to run queries smoothly. But too many MTIs can exhaust temporary storage. With the right information and tools, you can assist the optimizer and prevent system outages.
22 Jan 2018
IoT solution governance, Part 1: Defining your IoT governance practices
To address the challenges inherent in planning and implementing complex IoT solutions, teams need a governance model. This article series provides an end-to-end approach to IoT solution governance – from defining governance practices, to governing your IoT devices, to governing your IoT data. Part 1 of this series defines a proper governance structure for managing IoT initiatives, which includes defining a technical strategy and reference architecture. Part 1 also describes how a dedicated Center of Excellence (CoE) can help IoT organizations govern their IoT solutions.
Also available in: Chinese  
19 Jan 2018
Build an enhanced IT help desk chatbot on IBM i with Watson Assistant
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 Assistant service and IBM i to Slack, which is the messaging team collaboration tool.
18 Jan 2018
Analytics ecosystem, Part 1: Spatial Analytics with Db2 Warehouse
Db2 Warehouse, a massively parallel processing (MPP) architecture based data warehouse solution also has geospatial capabilities to manage spatial data. You can now store spatial data as geometries in database tables and perform spatial analytics.
18 Jan 2018
Get to know your deep learning frameworks, Part 2: Get started with PyTorch
Originally developed as a Python wrapper for the LuaJIT-based Torch framework, PyTorch, now a native Python package, redesigns and implements Torch in Python while sharing the same core C libraries for the back-end code. Get to know PyTorch.
Also available in: Chinese  
18 Jan 2018
Cleansing, processing, and visualizing a data set, Part 3: Visualizing data
In this tutorial, discover some of the more useful applications for visualizing data and a few of the approaches you can use to create that visualization, including the R programming language, gnuplot, and Graphviz.
Also available in: Chinese  
17 Jan 2018
A cryptographic approach to protecting passwords in the cloud
In this article, back-end developers learn why it is important to use encryption and how to use it effectively to protect user information on the cloud, especially passwords, so that even a data leak can't be cracked in less than decades. Security is an ever important topic in the cloud that is crucial to full-stack development and is essential on all products and services.
Also available in: Chinese  
17 Jan 2018
IBM's approach to open technology
For several years, IBM has been recognized by many within the open source community as a leader in open source. However, that leadership is less well known and appreciated outside of the open source communities in which IBM engages. In this article, you’ll learn how IBM has played, and continues to play, a leading role in the evolution of open source -- an approach to software development that has nearly completely displaced proprietary software -- and how we leverage that leadership to deliver world-class offerings and solutions that benefit our customers.
17 Jan 2018
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.
Also available in: Chinese  
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.
Also available in: Chinese  
16 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.
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
08 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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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   Japanese   Portuguese   Spanish  
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  
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  
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  
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  
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  
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: Chinese   Portuguese   Spanish  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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.
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.
Also available in: Chinese  
03 Jan 2018
Use Eclipse Oxygen and WebSphere Liberty for rapid JPA Enterprise development
Learn how to create Java Persistence Architecture (JPA) entities.
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.
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.
Also available in: Chinese   Japanese  
31 Dec 2017
Top Internet of Things articles and tutorials
This article compiles all of the previous top tutorials lists.
Also available in: Japanese  
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.
21 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  
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.
Also available in: Chinese  
18 Dec 2017
Get to know your deep learning frameworks, Part 1: 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.
Also available in: Chinese  
18 Dec 2017
Get to know your deep learning frameworks, Part 3: 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.
Also available in: Chinese  
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  
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.
15 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.
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.
Also available in: Chinese  
14 Dec 2017
IBM Datacap 9.0, 9.0.1, 9.1.0, 9.1.1, 9.1.3, and 9.1.4 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  
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  
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: Chinese   Japanese  
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.
Also available in: Japanese  
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.
Also available in: Chinese  
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.
Also available in: Chinese  
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  
12 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.
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.
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.
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.
Also available in: Chinese  
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.
08 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.
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.
Also available in: Chinese  
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   Japanese  
05 Dec 2017
Make your websites smarter with Schema.org, Part 2: The Schema.org syntaxes
The second part of this four-part series 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
Also available in: Chinese  
05 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.
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.
Also available in: Chinese  
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).
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  
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.
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
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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  
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.
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).
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. 
Also available in: Chinese  
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.
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.
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.
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. 
27 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: Japanese   Portuguese  
22 Nov 2017
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