Screen Shot 2016-08-12 at 2.55.14 PM

Red Hat Software Collections: Why They’re Awesome, and How to Use Them

Red Hat Software Collections can make your life as a programmer or admin immensely easier.

Like death, taxes and zombies, dealing with different versions of software is something you just can’t avoid. It’s a nasty but necessary fact of life.

Traditionally, when developers and system admins grapple with this issue, they have to sacrifice something. If you want to run the latest and greatest version of a web app, it might not support users with outdated browsers. If you install the newest beta release of Python so you can test development code, it might break Python scripts written for older releases. If you have a system with multiple users, you might want a different version of Ruby over another. And so on.

Software Collections provide a solution to conundrums like these. They let you have your cake and eat it, too.

In other (more technical) words, Software Collections make it possible to have multiple versions of the same software on the same system. You use a simple tool to tell the system which version to activate as needed.

If that sounds awesome, it is. Keep reading for a more detailed explanation of how Software Collections work, and an overview of using them on your Red Hat system.

Continue reading “Red Hat Software Collections: Why They’re Awesome, and How to Use Them”

An Announcement for JBoss Core Services Collection

Red Hat JBoss Core Services Collection is a group of common services that are critical for application developers. The services included change as new services and projects are added over time, but the idea is to include common, developer-friendly projects under a single subscription. The collection makes it much easier for developers to access these services.

The launch of the Core Services Collection includes services that focus on three areas: web servers, security, and monitoring.

New Components

There are six components available in the launch of Core Services Collection:

  • JBoss Operations Network, which is based on the former RHQ project (now Hawkular). From a high level, this is a monitoring and management server, but the key is that it is developed in parallel with other JBoss products, so there is tight integration with other JBoss products. This centralizes all management for JBoss middleware products and also for Java applications running on JBoss EAP.
  • An integrated single sign-on server based on the Keycloak project. This SSO server supports SAML 2.0, OAuth, and OpenID and it can work with LDAP servers and Active Directory for user identity management. Keycloak SSO makes it a lot easier to define user domains, federated identities, and client applications because it has a very simple graphical UI, as well as REST APIs.
  • The Apache Commons Jsvc daemon provides a way to manage Java virtual machines on Unix/Linux; in general, this is used as a wrapper for Java applications so that those applications can be managed by native system tools.
  • Apache HTTP server is the most-used web server in the world. Web servers are used to route traffic and load balance requests to JBoss EAP and other middleware servers.
  • Web connectors provide a connection with third-party web servers which need to interact with JBoss middleware products and may not have a native connection. For this release, there are two connectors available:
    • Microsoft IIS
    • Oracle iPlanet

Continue reading “An Announcement for JBoss Core Services Collection”


Join Red Hat Developers, a developer program for you to learn, share, and code faster – and get access to Red Hat software for your development.  The developer program and software are both free!

 

Node.js 4.4, Python 3.5, and Ruby 2.3 Get Started guides on developers.redhat.com

On developers.redhat.com you can find short, focused guides to help you start developing with a number of Red Hat technologies. With the recent release of Red Hat Software Collections (RHSCL) 2.2, a number of Get Started guides have been updated to use the newest software collections, such as Node.js 4.4, Python 3.5, and Ruby 2.3.  These guides give you the steps you need to install the software and get to a simple “Hello, World” in a few minutes. The guides include a few additional package management examples to help you go farther.

Need a subscription that includes RHSCL?  Developers can get a no-cost Red Hat Enterprise Linux Developer Suite subscription for development purposes by registering and downloading through developers.redhat.com. We recommend you follow our Get Started Guide which covers downloading and installing Red Hat Enterprise Linux on a physical system or virtual machine (VM) using your choice of VirtualBox, VMware, Microsoft Hyper-V, or Linux KVM/Libvirt. For more information, see Frequently asked questions: no-cost Red Hat Enterprise Linux Developer Suite.

How to get Red Hat Software Collections

To try these using a traditional yum install on Red Hat Enterprise Linux 7, use these guides:

If you want to want to try building “Hello, World” in a container, a number of RHSCL packages are available as docker-formatted container images. Follow these guides on Red Hat Enterprise Linux 7:

If you are running Microsoft Windows, Apple Mac OS X, Fedora, or CentOS, you can use the Red Hat Container Development Kit, a pre-built Red Hat Enterprise Linux virtual machine with docker, the OpenShift Enterprise v3 platform as a service, or a number of other container tools.

Learn more at DevNation 2016

Next week at DevNation 2016, Red Hat’s Langdon White is giving two presentations:

  • Software Collections: Easy access to the cutting edge
  • CDK 2: Docker, OpenShift Enterprise, and Kubernetes on your desktop

 


Join Red Hat Developers, a developer program for you to learn, share, and code faster – and get access to Red Hat software for your development.  The developer program and software are both free!

 

Installing MongoDB on Red Hat Enterprise Linux

 

MongoDB has evolved into one of the most popular open source “NoSQL” databases—so-called because they dispense with the tabular storage schema of relational databases like MySQL and Postgres. NoSQL databases offer a variety of advantages in many cases

The biggest advantage is that MongoDB databases don’t require developers to define schemas before adding data to a database. Instead, they use a flexible document-based model, similar to Python dictionaries or Ruby hashes. With MongoDB, you don’t need to spend time creating tables before you can process your data. That makes the NoSQL approach ideal for situations where you don’t know how much data you have to handle, what form it is in, or how quickly it is going to move around.

There’s a lot more to say about what makes MongoDB, and NoSQL in general, a better fit for some situations. (I could also write a great deal about when not to use NoSQL—and that’s  important, because despite NoSQL’s current trendiness, it’s not better in all contexts.)

But that’s all fodder for a separate blog post. For now, let’s move onto the meat of this post, which is how to install MongoDB on Red Hat Enterprise Linux (RHEL) in order to take advantage of NoSQL databases.

Continue reading “Installing MongoDB on Red Hat Enterprise Linux”


Join Red Hat Developers, a developer program for you to learn, share, and code faster – and get access to Red Hat software for your development.  The developer program and software are both free!

 

Take advantage of your Red Hat Developers membership and download RHEL today at no cost.

Get started with Node.js v4 using Red Hat Software Collections 2.2 Beta

Node.js v4 is now available on Red Hat Enterprise Linux 6 and 7 using Red Hat Software Collections 2.2 Beta. The Get Started with Node.js v4 guide has you covered even if you don’t know how to use Red Hat Software Collections (RHSCL) or how to access the beta. After enabling the RHSCL 2.2 Beta software repository on your system, you will be able to install node, npm, and up to 200 additional Node.js packages with a simple yum command.

Why use Red Hat Software Collections?

RHSCL enables you to install the latest development technologies using supported packages that can coexist with other versions such as those included with Red Hat Enterprise Linux. Using a separate software lifecycle for software collections allows Red Hat to deliver and support newer releases of software as they mature from their upstream projects. Many of the packages in RHSCL are updated annually and are supported for up to three years. Consider this in contrast to the packages included with Red Hat Enterprise Linux that are supported for up to ten years. As a developer, if you are wondering why you should care about supported packages, think about what you need to do the next time a critical vulnerability is discovered in one of the packages that the software you deliver depends upon.

Switch between multiple versions

RHSCL packages are installed in /opt/rh/collection-name. When you want to use a software collection, you add it to your environment (command search, library, and manual path) using scl enable collection-name. This allows you to install both Node.js v4 and v0.10 and easily switch between them.

Helpful Resources


Join Red Hat Developers, a developer program for you to learn, share, and code faster – and get access to Red Hat software for your development.  The developer program and software are both free!

 

Take advantage of your Red Hat Developers membership and download RHEL today at no cost.

shadowman solo from external web 265x200

New beta: Software Collections 2.2 and Developer Toolset 4.1

Red Hat Developer Toolset has already been available for nearly four years and Red Hat Software Collections has been out for two and a half. We’ve seen excellent adoption of these as more and more developers and customers utilize the newer technologies that become available.

So, this week we announced more with these two new beta releases.

Continue reading “New beta: Software Collections 2.2 and Developer Toolset 4.1”


Join Red Hat Developers, a developer program for you to learn, share, and code faster – and get access to Red Hat software for your development.  The developer program and software are both free!

 

Take advantage of your Red Hat Developers membership and download RHEL today at no cost.