Active Directory and Identity Management (IdM) Trusts – Exactly Where Are My Users?

As this is my sixth post on Identity Management I thought it would (first) be wise to explain (and link back to) my previous efforts.  My first post kicked off the series by outlining challenges associated with interoperability in the modern enterprise.  My second post explored  how the integration gap between Linux systems and Active Directory emerged, how it was formerly addressed, and what options are available now.  My third post outlined the set of criteria with which one is able to examine various integration options.  And my most recent entries, post four and five, reviewed options for direct and indirect integration, respectively.

Delving deeper into the world of indirect integration (i.e. utilizing a trust-based approach) – two of the biggest questions are often: “Where are my users?” and “Where does authentication actually happen?” As opposed to a solution that relies upon synchronization

Continue reading “Active Directory and Identity Management (IdM) Trusts – Exactly Where Are My Users?”

Top 3 Reasons to Run Container-Based Applications on Red Hat Enterprise Linux 7

As product manager for Red Hat Enterprise Linux 7, part of my job is to ensure that the latest version of our flagship product adheres to our promise of stability, reliability, and security.  In addition, as Red Hat Enterprise Linux 7 is Red Hat’s latest enterprise Linux platform, it also needs to incorporate new innovations in technology to help our customers gain business advantage, reduce costs, and increase efficiency without compromising their existing investments. With this in mind, the Red Hat Enterprise Linux team takes great care in evaluating new technology to ensure that it is introduced in a manner that is minimally intrusive (if at all) and is a natural fit for the platform. Support for Linux containers and the ability to host container-based applications are great examples of this and Red Hat Enterprise Linux 7 stands ready for the challenge.

Creating and operating application containers via process isolation is not a new concept. Red Hat Enterprise Linux 6 sowed the seeds for this way back in 2010 with the introduction of Control Groups (cgroups). Since that time there have been many exciting developments in this area with active participation from Red Hat. Building upon cgroups functionality, enhancements to the kernel combined with an easy-to-use container format (Docker) make now an opportune time to consider deploying container-based applications on Red Hat Enterprise Linux 7.

Here are the top three reasons to consider Red Hat Enterprise Linux 7 as the host for your container-based applications

Continue reading “Top 3 Reasons to Run Container-Based Applications on Red Hat Enterprise Linux 7”

Mysteries of NUMA Memory Management Revealed

The memory subsystem is one of the most critical components of modern server systems–it supplies critical run-time data and instructions to applications and to the operating system. Red Hat Enterprise Linux provides a number of tools for managing memory. This post illustrates how you can use these tools to boost the performance of systems with NUMA topologies.

Continue reading “Mysteries of NUMA Memory Management Revealed”

Top 7 Reasons to Use Red Hat Enterprise Linux Atomic Host

In November we announced Red Hat Enterprise Linux 7 Atomic Host Public Beta, a small footprint, container host based on Red Hat Enterprise Linux 7.  It provides a stable host platform, optimized for running application containers, and brings a number of application software packaging and deployment benefits to customers.

What are the top 7 reasons to deploy containers on Red Hat Enterprise Linux 7 Atomic Host?

Continue reading “Top 7 Reasons to Use Red Hat Enterprise Linux Atomic Host”

Containers: Stumbling on the Road to Utopia

Applications don’t always work as expected, and “it works fine on my machine” — the first line of response when reporting an issue — has been around for decades. One way to avoid the challenge of application issues in production is to maintain identical environments for development, testing, and production. Another is to create a Continuous Integration environment, where code is compiled and deployed to test machines and vetted with each and every code check-in, long before being pushed to production.

Enter containers.

Continue reading “Containers: Stumbling on the Road to Utopia”

Red Hat Enterprise Linux 7 Atomic Host Beta: Tell Us What You Think

beta-feeback

It’s been one week since we announced the beta for Red Hat Enterprise Linux 7 Atomic Host and we’re looking for your feedback. If you’ve downloaded and installed the beta, this is your chance to tell us what you think, and what you’d like to see in the product moving forward.

TechValidate is conducting a short, 5-minute survey on behalf of Red Hat. Why should you participate?

Continue reading “Red Hat Enterprise Linux 7 Atomic Host Beta: Tell Us What You Think”

Performance Testing Red Hat Enterprise Linux 7 Atomic Host Beta on Amazon EC2

Red Hat Enterprise Linux 7 Atomic Host Beta is an operating platform that is optimized and minimized to run containers. It packages key components of Red Hat Enterprise Linux 7 such as SELinux, systemd, and tuned with the kernel to facilitate running containers in a secure and optimized manner. It also offers Kubernetes and Docker to facilitate the rapid creation, deployment, and orchestration of containers – simplifying the life cycle management of applications and systems.

Containers allow users to put application and all of their runtime dependencies into secure packages that are both easy to deploy and easy to manage. Containers are also portable and images of a given container can be copied and replicated to other systems. Since containers are isolated from each other and are isolated from the host OS, libraries and application binaries can be updated individually without affecting other containers or the host OS (and vice versa).

The following video (below) mirrors the demo as presented

Continue reading “Performance Testing Red Hat Enterprise Linux 7 Atomic Host Beta on Amazon EC2”

Containerizing Databases with Red Hat Enterprise Linux

Because more and more enterprises are considering containerization as a new application deployment model, Red Hat hopes to make the adoption of container technology as smooth as possible for our customers. We are evaluating and testing various workloads in-house and spend a good chunk of our engineering time developing, integrating, and testing a trusted, supported application platform stack for containerized applications. The recent announcement of the Red Hat Enterprise Linux 6 platform image moves us even closer to the goal: we now have another certified platform that can run applications as complex as Oracle Database in a container (see video below).

Databases are among the most widely deployed applications out there and are often seen as the hardest to deploy. Containers promise to ease that pain

Continue reading “Containerizing Databases with Red Hat Enterprise Linux”

Containerize Red Hat Enterprise Linux 6 Applications to Run on Red Hat Enterprise Linux 7

What if you could run your existing Red Hat Enterprise Linux 6 applications on Red Hat Enterprise Linux 7 without porting or making changes to your source code? Today, we are pleased to announce the immediate availability of the Red Hat Enterprise Linux 6 platform image, which allows for the creation of Red Hat Enterprise Linux 6-based application containers. Applications that have been developed, tested, and certified for Red Hat Enterprise Linux 6 systems can now be deployed as a container and run on Red Hat Enterprise Linux 7 as a container host.

rhel-6-platform-imageThis new platform image allows customers to

Continue reading “Containerize Red Hat Enterprise Linux 6 Applications to Run on Red Hat Enterprise Linux 7”

Red Hat Enterprise Linux: The Leading Platform for Top-Tier Performance

Since its introduction more than a decade ago, Red Hat Enterprise Linux has become the world’s leading enterprise Linux platform. Along the way it has set the industry standard for performance as most recently demonstrated by Red Hat Enterprise Linux 7 delivering multiple world record-breaking benchmark results at launch. These results showcased close collaboration between Red Hat and our ecosystem of partners.

With history as a backdrop, it should come as no surprise that many of our partners rely on Red Hat Enterprise Linux to support their ongoing benchmarking efforts. Red Hat and Intel have enjoyed a long history of collaboration across a full spectrum of all that is enterprise IT – covering everything from applications running on physical servers to virtualized and cloud-based deployments. In fact, during yesterday’s launch of the Intel Xeon E5-2600 v3 processor family

Continue reading “Red Hat Enterprise Linux: The Leading Platform for Top-Tier Performance”