Open source

Use SCTP over UDP in the Linux kernel so traffic can pass through legacy NATs without SCTP support. It lets SCTP run on hosts without direct IP layer access.

Follow these steps to build a basic RPM package. Using a Go program, you'll learn to create the package, add services, create the spec file, and build the RPM.

Find out how Shenandoah garbage collection improves Java application latency in JDK 16, especially for applications that churn soft, weak, and phantom references.

Find out why code consistency matters in the Node.js reference architecture, and how to automate using linter tools like ESLint in your JavaScript projects.

Learn how knowledge graphs can help you address vulnerabilities in open source software dependencies quickly and efficiently.

Once you've run your tests and collected the results, you need a way to store and analyze them—and that's where the Bunsen toolkit comes in.

Get a quick overview of all the C++ standarization proposals that went before the ISO C++ Core and Evolution Working Groups in 2020.

Find out how the SystemTap development team used libvirt and Buildbot to develop an automated testing system that accommodates nondeterministic test cases.

Explore more features in GCC 11 that can help detect dynamic memory bugs in C and C++, and learn about the compiler's limitations.

Get introduced to the GNU Debugger (GDB) with this new series. Part 1 explores advanced startup options, faster command execution, and more.

Dynamic memory management bugs are hard to find and frequently targeted in C and C++ programs, but GCC 11's enhanced malloc attribute is here to help.

The GNU C Library's iconv utility had a problem with hanging character set conversions. Learn how rewriting iconv's option parsing solved the issue.

Get a quick introduction to Microcks—a cloud-native API mocking and testing tool—and find out how to use it in deployable containers with Podman Compose.

Find out what's new in current and upcoming Node.js releases and help guide the future of Node.js by participating in the Node.js Next 10 survey.

Use the Thoth Jupyterlab extension to manage Python dependencies in your JupyterLab notebooks and ensure that your code and experiments are reproducible.

Learn about the Node.js reference architecture with this new series. Part 1 explains why we believe we need a Node.js reference architecture.

Get quick tips for solving problems with comments, data, symbols, instructions, and sections in portable GNU Assembler (GAS) assembly code.

Don't let Docker's new download rate limit slow your roll. Use Red Hat OpenShift to create a secret and authenticate to Docker Hub, so you can keep coding.

Learn how the Nodeshift team added standardized support information to their Node.js modules, then get started with the tools and best practices they used.

An update on how we will publish the CentOS sources and guidance to help you comply with the Red Hat services agreements and trademark guidelines.

Find out how Red Hat engineers and a community of open source enthusiasts created the standard OpenJDK implementation for AArch64.

Get an overview of fixes and enhancements to the -fanalyzer static analysis pass, currently being updated for security, state tracking, and more in GCC 11.

Find out why Red Hat recommends building Red Hat Enterprise Linux 9 for x86-64-v2 and what you can expect from this new, optional microarchitecture level.