application migration

Migrating C and C++ applications from Red Hat Enterprise Linux version 7 to version 8

Migrating C and C++ applications from Red Hat Enterprise Linux version 7 to version 8

When moving an application that you’ve compiled on Red Hat Enterprise Linux (RHEL) 7 to RHEL 8, you will likely encounter issues due to changes in the application binary interface (ABI). The ABI describes the low-level binary interface between an application and its operating environment. This interface requires tools such as compilers and linkers, as well as the produced runtime libraries and the operating system itself, to agree upon the following:

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Migrate your Java apps to containers with Migration Toolkit for Applications 5.0

Migrate your Java apps to containers with Migration Toolkit for Applications 5.0

As a developer, you have probably experimented with Kubernetes. It’s also possible that you are already running several Java applications on a Kubernetes platform, maybe Red Hat OpenShift. These initial containerized applications were greenfield projects, where you enjoyed the benefits of a platform providing templated deployments, easy rollbacks, resource availability, security by default, and a manageable way to publish your services.

Now, you might be thinking, “How can I enjoy all of these benefits in my existing Java applications?” Most Java applications in production today are running on virtual machines (VMs), likely on an application platform that is not container friendly. So, how can you migrate them from the current platform to containers on Kubernetes?

It isn’t an easy task, but this is a problem that we have been working hard on for years. Red Hat’s Migration Toolkit for Applications (MTA) 5.0 is the latest resulting iteration: An assembly of tools that you can use to analyze existing applications and discover what is required to modernize them. Read on to learn MTA 5.0’s features and migration paths.

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