.NET

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...

When you want to run .NET Core process as a daemon on Red Hat Enterprise Linux, you can create a custom systemd unit. Today I'll write about two examples of custom systemd unit for .NET Core. The one is a oneshot type for running a .NET Core console application and the other is a simple type for running an ASP.NET Core Web application. Oneshot type with a console application Building an app You can use dotnet run in systemd with...

Hear from John Osborne, Sr. Solutions Architect, Red Hat, Harold Wong, Cloud Architect, Microsoft, and Jason Dudash, Specialist Solution Architect, Red Hat in this breakout session at Red Hat Summit 2017 For the past several years, Microsoft's approach has been to make Linux and open source technologies first class citizens in the public cloud. Microsoft engineers participate in key open source communities. In this joint session with Red Hat and Microsoft, we'll demonstrate technologies like .NET and SQL Server running on Red Hat Enterprise Linux-based containers in OpenShift on premise and in Azure. We'll also discuss the development and operational perspectives and things like security patching and scans. https://www.redhat.com/en/summit/2017/agenda/sessions

Hear from Don Schenk, Director of Developer Experience, Red Hat and Scott Hunter, Microsoft in this breakout session at Red Hat Summit 2017. In this session, we’ll show the evolution from a .NET application running on a server to a microservices architecture with zero-downtime deployments—including advanced techniques for optimizing performance. Join this session if you’re ready to apply your .NET skills to microservices and Linux containers. https://www.redhat.com/en/summit/2017/agenda/session

Containers: they’re all the rage. But you need to stay grounded in trusted technology such as Java and .NET. Wouldn’t it be great if someone showed an example of bringing Java and .NET and containers together? Oh, and don’t be limited to just one technology stack. Well, this is that session. I’ll be using as many technologies as we can cram into 60 minutes to show how open source brings the old and new together to make both even better. You won’t want to miss this.

The partnership between Red Hat and Microsoft brings new possibilities for application development and deployment. .NET has long been the application platform for Microsoft developers, and for the first time it is now available to Red Hat Enterprise Linux users. In this session, we'll gently introduce .NET development, showing you the primary components and how they can be used to develop applications of your own. We'll also introduce Red Hat Enterprise Linux on Microsoft Azure, and discuss the application development process and usage of the tools essential for .NET applications. You'll leave with all you need to begin writing simple .NET applications using Red Hat Enterprise Linux for Microsoft Azure.

C# is a modern, advanced general-purpose programming language and is now fully open source and supported on Linux. In this session, you'll learn how to be productive with the new, modern C# on Linux. See what it's like building high performance web workloads in ASP.NET. Learn about the tooling support available to you, including how to configure your favorite editor. Check out the improved DevOps flows enabled by the full stack app, local deployment, and native compilation. And more.

We are collaborating with Uhuru Software to bring Microsoft .NET and SQL Server capabilities to OpenShift, as an open source community-driven effort in OpenShift Origin. The demo will show the work done to date and how easy it is to deploy a .NET application with OpenShift.

You may have heard Microsoft hearts Linux. And soon you will be able to use .NET on Red Hat Enterprise Linux. While the pieces are still being finalized we are excited to share a behind-the-scenes sneak peek at how this will work for you. In this 2-hour webinar and demo, see: How .NET on Red Hat Enterprise Linux is coming together What you can expect from the development experience .NET on Red Hat Enterprise Linux in action

Within Red Hat knowledge sharing and collaboration are important. As a part of that many Red Hatters write books and we get the honor of sharing their knowledge with other developers. We have 7 more books in queue for the coming year and thought we would share the books you can currently download. Learn how to get started with a new technology. Learn why you would want to use new methodologies or technologies. Or just dive in a little deeper...

There was a time when the word ".NET" was virtually synonymous with bloat, vendor lock-in, and Windows. .NET Core is the exact opposite. It's blazingly fast. It's open source under a permissive license (Mostly MIT, some parts Apache-2.0). Unlike some other open-source platforms, .NET Core's Contributor License Agreement does not grant exclusive privileges to a single corporation. .NET Core is cross-platform, allowing you to target Windows, Mac, Docker, and many flavors of Linux. My favorite resource for getting started with...

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Red Hat Summit is just around the corner in Boston and we are preparing just a few of the many Red Hat authors for their book signings. We've given them 6 steps to signing books: Step 1: Get books ordered. Step 2: Get to Boston. Step 3: Bring a marker. Step 4: Bring a spare marker. Step 5: Show up at the right time. Step 6: Enjoy sharing your work with attendees! Ok - so we may be teasing them...

Sometimes things are really easy. This is one of those cases. There are only six steps to creating and running your first .NET program on Red Hat Enterprise Linux (RHEL). Install dotnet What's that? You don't have RHEL installed on your Windows PC in a Virtual Machine (VM). That's okay ... I'll wait while you install it. Just follow this video to download and install the Red Hat Development Suite. Okay, now that you have a VM, open PowerShell and...

.NET Core continues to move forward at a rapid pace; this includes not only the framework but also the knowledge and tools related to it. Here are three recent highlights: LibYear, a "dotnet CLI tool for managing dependency freshness" Quicklink: https://stevedesmond.ca/blog/happy-libyear LibYear ( blog post here), written by Steve Desmond, uses your .csproj or project.json file as input and compares it to NuGet.org, producing a list of your dependencies and their freshness. That is, it checks to see if a...

If you're are anything like me, you find the easiest -- yet still best -- way to get things done. After all, life is too short to write programs using Edlin, so give me Visual Studio Code (VS Code). So, what's an easy way for a Windows .NET developer to write code for Linux? Enter the Red Hat Development Suite, a zero-cost bundle for running Linux on your Windows PC, including running .NET Core. After installing the Red Hat Development...

Version One Point What? Ever wonder what version of .NET Core you are running? Well, that’s simple enough to figure out; simply drop to the command line and type dotnet. You'll see something like this: Okay, I have version 1.1.0 installed easy enough. Another way to show this is to type, dotnet --version and see something like this: Wait … what? “Preview”? But I didn’t download a preview. A quick check at the download page on the web proves that...

One of the best features of Visual Studio is the ability to launch and debug an application from within the IDE. This is not an uncommon feature nowadays. When running .NET on Linux, however, you can't use Visual Studio as your IDE. What to do? The answer is Visual Studio Code, a free IDE that will allow you to edit, compile, launch, and debug your application from within your IDE. This post will guide you through this cycle. Note: I'm...

While not specifically related to .NET on Linux, PowerShell on Linux is available and -- let's face it -- if you're a Windows developer you're using PowerShell. If you're not using PowerShell, now is the time to start. While bash is the traditional Linux shell, PowerShell gives you the advantage of objects. In PowerShell, everything is an object, with properties you can directly access. It's also a very powerful object-oriented scripting language, with classes and methods, much like any OOP...

(Probably, a more accurate title would be "The Evolution of a Linux Container Developer") Since .NET now runs on Linux (as well as Windows and macOS), the whole world of Linux containers and microservices has opened up to .NET developers. With a large pool of developers, a long track record of success, and performance numbers that are impressive, .NET offers a great opportunity to expand the world of Linux containers to formerly Windows-centric developers. While it’s tempting to rush in...

Follow this blog post, and within minutes you will have an ASP.NET MVC website running on Red Hat Enterprise Linux (RHEL). Yes, I'm talking to you, Windows .NET developer; you're about to double your OS skillset. Let's do this. I'm going to start with some assumptions: You are running Windows. You are not running Linux. Based on those two assumptions, we're going to: Install a RHEL Virtual Machine (VM) on your Windows PC. Start and run the VM. Install .NET...

Microsoft announced the first "alpha" release of the new MSBuild-based .NET Core tools. .NET Core SDK which can be downloaded from the Red Hat Developer Program site consists of .NET Core Runtime and .NET Core command line tools (.NET Core CLI). (Reminder - you must have a Red Hat Enterprise Linux subscription first. If you don't, you can go here for a no-cost subscription.) The MSBuild tool is included in .NET Core 1.0 preview 3 (not in the latest release...

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Several organizations are wondering (and sometimes struggling on) how to port their current workloads to cloud environments. One of the main characteristics of a cloud environment is that the infrastructure is provisioned dynamically. This implies, for example, that we don’t know a priori where our resources are being allocated (we can find that out, though). VMs or containers will receive a dynamic IP. Storage will be allocated somewhere and attached to our VMs or containers and so on. So, how...

You’ve heard that .NET has gone open source. You’ve also heard that it has gone cross-platform. And you’ve even heard that Red Hat is shipping a supported version of .NET on Red Hat Enterprise Linux. So maybe you are thinking to yourself, “wow, this is fantastic! I’m going to copy these EXEs and DLLs of my .NET application over to my Red Hat machine and run them!” Well, unfortunately, it’s not going to be quite that easy. At least not...

Today, we’re pleased to announce that .NET Core 1.1 is now available and supported on Red Hat Enterprise Linux and Red Hat OpenShift Container Platform. This second .NET Core release shows Red Hat’s continued commitment to opening up platform choices for enterprises seeking to use .NET in Linux environments, including container-centric operating systems. We’re also pleased to lead the way in the Linux world yet again with our support for .NET, as Red Hat Enterprise Linux is the only commercial...

If you want to use secret configuration which you don't want to store the code repository during developing ASP.NET Core app, what will you do? ASP.NET Core provides Secret Manager tool. Then how about developing on OpenShift? I'd like to talk about Secret Manager tool and working OpenShift secrets for ASP.NET Core in this blog. Secret Manager tool Let's try to use following the document. At first, make ASP.NET Core web project. Then add Microsoft.Extensions.SecretManager.Tools, Microsoft.Extensions.Configuration.UserSecrets and userSecretsId to the...

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