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Microsoft releases .NET Core 2.0

Mike Guerette

After a number of months with .NET Core 2.0 previews, Microsoft has released .NET Core 2.0. Very exciting for the open source world! If you've not seen Scott Hunter talk about today's announcement, see it here. Red Hat has been offering .NET Core 1.1 for a while now, and we expect many customers to be interested in 2.0. Stay tuned for more.

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Ask your questions on StackOverflow

Heinz Windzio

We want you to have the best experience in getting your questions answered. We believe StackOverflow's Q&A format, along with its excellent features and moderation, will reach a broader community of developers who can help respond to your questions. As a result, we've made all of our product forums read-only. You can search for technical developer questions about our products on our StackOverflow page [1], or you can post your questions to StackOverflow using the relevant tags [2]. Red Hat...

Large community about containers
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6 Reasons why I started using containers

Ricardo Martinelli

I've been using containers for nearly 3 years, initially working in the Technical Support team helping customers solve problems in their applications and giving advice about best practices to run containers. Today I work on a team where we develop containers to use in our OpenShift environment, and because of my Technical Support background, my troubleshooting skills helped me in this task. I run containers for most of my tasks and it makes my life easier. I can run any...

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Using OpenTracing with Jaeger to collect Application Metrics in Kubernetes

Diane Mueller-Klingspor

This article will show how OpenTracing instrumentation can be used to collect Application Metrics, in addition to (but independent from) reported tracing data, from services deployed within Kubernetes. These Application Metrics can then be displayed in your monitoring dashboard and used to trigger alerts. THE EXAMPLE APPLICATION In a recent article, we showed how a Spring Boot application could easily be instrumented using OpenTracing. The example we are going to use in this article uses the same approach to create...

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Configuring Containerized Services

Tomas Tomecek

I’m assuming you’ve already tried to run some example of a multi-container application. Let’s say we have an application composed of the following: Web service Database Key-value store Worker Let’s focus on the database now. Container images for databases usually come with an easy way to configure them via environment variables. The great thing about this approach is how easy to use it is, e.g. let’s take our RHSCL PostgreSQL 9.5 container image. If you try to run it just...

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Upgrading to Vaadin Framework 8 (Part 1 of 2)

AMahdy AbdelAziz

With a major release, you would usually expect major modifications in the core of the framework. But this time, the migration is not too complicated. Not only because of the migration tool provided to make a smooth transition from Framework 7 to Framework 8, but also because of the similarity in many of the components’ APIs. A good upgrade strategy is needed though, and I summarized them under the following headlines: Upgrade dependencies in the POM file Run Maven goal...

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After Years of Linux on ARM, when is the Year of Red Hat on ARM servers?

Bradley Roderick

From hobbyist SoC devices such as the ubiquitous Raspberry Pi to a complete domination of the mobile device market, ARM processors have proven the value of the architecture. It is easy to see why ARM processors were able to explode in this market, given that they are able to pack quite a bit of performance into a rather small physical space. Take for instance Qualcomm's Snapdragon 400 processor, which is used in many products including the Huawei Watch This processor...

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Red Hat at the ISO C++ Standards Meeting (April 2017, Kona): Core Language

Jason Merrill

The March/April C++ meeting was back in Kona, Hawaii again, only a year and a half after the last Kona meeting. As usual, Red Hat sent three of us to the meeting: Jonathan Wakely, Torvald Riegel, and me. The headline from the meeting was voting to submit C++17 for approval by the national bodies. There wasn't really any significant resistance. There was one new feature added in the final draft, namely std::byte, which was expected to go in at the...

The Twelve factor app
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12 Factors to Cloud Success

Rafael Benevides

Hey, developers! Do you care about using the best practices to apply your application to the cloud? If so then you should be using The 12-factor App , which is a methodology for building software-as-a-service. Today I like to talk about the 12-factor App, which I had presented to a group at the Red Hat Summit last month. Every developer that is moving their application to the cloud will face a different environment than what they are used to, their...

Jenkins Pipeline Builds and A/B Deployments in CDK
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It’s Tuesday… Jenkins is down

AbdulBasit Kabir

I woke up Tuesday morning to an email from AWS reporting a malicious activity on one of our instances. The report found an activity resembling “scanning remote hosts on the Internet…”. This confirmed our suspicion that something might be wrong with the CI instance. The instance contained our Jenkins (V2.32) server and some of our internal tools. During the weekend (the Monday was a public holiday) Jenkins had been misbehaving. On Sunday morning, I had been on Jenkins but by...

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From Java to .NET Core, Part 2: Types

Yev Bronshteyn

In my previous post in the series, I discussed some fairly surface-level differences between C#/.NET and Java. These can be important for Java developers transitioning to .NET Core, to create code that looks and feels "native" to the new ecosystem. In this post, we dig beneath the surface, to understand .NET's type system. It is my belief that, with Java in the rear view mirror, the .NET type system is more effective and enjoyable to write on. But you be...

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Cloudy with a chance of BMWs

Red Hat Developer Program

Are you interested in all things JBoss+Cloud, then this is your opportunity to ask. Bob McWhirter (BMW) is lead JBoss Cloud Architect and will cover projects like BoxGrinder, Steam Cannon and CirrAS. Now is your opportunity to see the next generation of IT infrastructure and Platform as a Service using JBoss technologies. Presenter: As the chief architect for middleware cloud computing at Red Hat, Bob McWhirter leads a team of engineers that is paving the way for the enterprise cloud computing paradigm shift. Named a Red Hat Fellow in 2009, McWhirter joined Red Hat in 2007 and is responsible for navigating the cloud as it relates to Red Hat’s middleware technologies within the JBoss Community and via JBoss Enterprise Middleware. He also leads the TorqueBox project, creating a Ruby application server on top of the core JBoss Application Server. Prior to joining Red Hat, McWhirter served as a founding engineer at Radar Networks, where he spent nearly two years working on the semantic-Web platform Twine.com. He is also the founder of the Codehaus open source community.

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Getting started with OpenShift using JBoss Tools

Red Hat Developer Program

In this small screencast we'll show you how to get started with OpenShift using JBoss Tools. We'll show you how to create an new OpenShift application and import it to your Eclipse workspace. We'll then show you how to change the starter-application in your workspace, and push those changes to OpenShift.

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Forge: From Zero to Cloud with OpenShift Express

Red Hat Developer Program

Follow me at: http://twitter.com/lincolnthree In order to follow this tutorial, please make sure that you have installed JBoss Forge (at least Beta3): http://jboss.org/forge You will also need to install Git for your operating system: http://git-scm.com/ Be ready to follow the steps in the tutorial by signing up for a free account at http://openshift.com, and making sure that your SSH keys are configured correctly via the OpenShift quick-start guide. -------------------------------------------------------------- ++ Set up our OpenShift Project ++ 1. new-project --named forge-openshift-demo --topLevelPackage org.jboss.forge.openshift 2. forge install-plugin openshift-express 3. rhc-express setup --app forge 4. servlet setup 5. git add pom.xml src/ 6. rhc-express deploy ++ Add JPA and the Scaffold ++ 7. persistence setup --provider HIBERNATE --container JBOSS_AS7 8. scaffold setup 9. entity --named User 10. field string --named name 11. field int --named rating 12. scaffold from-entity 13. rest setup 14. rest endpoint-from-entity 15. git add pom.xml src/ 16. rhc-express deploy

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From Zero to Cloud in Almost No Time

Red Hat Developer Program

This demo will show you how to use JBoss Forge and JBoss Developer Studio to reverse engineer a Java EE application from an existing database and deploy it on OpenShift.

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S-RAMP Milestone 2 Screencast

Red Hat Developer Program

S-RAMP is an emerging OASIS standard for a Service Oriented Architecture repository (and accompanying protocol for accessing that repository).

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Red Hat OpenShift bpmPaaS with Generic Loan Demo

Red Hat Developer Program

Are you ready for BPM in the Cloud? The fully cloud enabled JBoss BPM Suite is now available on OpenShift as a bpmPaaS cartridge. We have not been idle in the background as this was developed and have put together some automated cartridge installation projects that kick start you with pre-loaded demo projects. Here we provide a video walkthrough covering the creation of your bpmPaaS instance on OpenShift and quick tour of how to run the Generic Loan demo project, all in just over 6 minutes.