Open Source for Developers
Learn how to use and contribute to Open Source projects for your development projects.
Open Source Posts
Vulnerability analysis with Red Hat CodeReady Dependency Analytics and Snyk Intel
August 28, 2020Red Hat CodeReady Dependency Analytics is a hosted service on OpenShift that provides vulnerability and compliance analysis for your applications, directly from your IDE. It automatically analyzes your software composition and provides recommendations to address security holes and licensing issues. The 0.1 release of CodeReady Dependency Analytics includes access to the Snyk Intel Vulnerability Database, […]
Get started with JDK Flight Recorder in OpenJDK 8u
August 25, 2020The OpenJDK 8u 262 release includes several security-related patches and a new addition, JDK Flight Recorder (JFR). This article introduces OpenJDK developers to using JDK Flight Recorder with JDK Mission Control and related utilities. I will also briefly introduce you to Project Hamburg, also known as Container JFR. About JDK Flight Recorder JDK Flight Recorder […]
Multipath TCP on Red Hat Enterprise Linux 8.3: From 0 to 1 subflows
August 19, 2020Multipath TCP (MPTCP) extends traditional TCP to allow reliable end-to-end delivery over multiple simultaneous TCP paths, and is coming as a tech preview on Red Hat Enterprise Linux 8.3. This is the first of two articles for users who want to practice with the new MPTCP functionality on a live system. In this first part, we […]
iptables: The two variants and their relationship with nftables
August 18, 2020In Red Hat Enterprise Linux (RHEL) 8, the userspace utility program iptables has a close relationship to its successor, nftables. The association between the two utilities is subtle, which has led to confusion among Linux users and developers. In this article, I attempt to clarify the relationship between the two variants of iptables and its […]
Introducing the Red Hat Flatpak runtime for desktop containers
August 12, 2020For many years, application developers who wanted to create desktop applications for Linux had to build their applications not just for a particular Linux operating system, but for a particular version of that operating system. Whether it was on the server-side or the desktop, developers wanted to create applications that reliably worked the same in […]
A deep dive into Keycloak
August 7, 2020DevNation Tech Talks are hosted by the Red Hat technologists who create our products. These sessions include real solutions plus code and sample projects to help you get started. In this talk, you’ll learn about Keycloak from Stian Thorgersen and Burr Sutter. Keycloak is an open source identity and access management solution for modern applications […]
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July 18, 2019