Orignally posted at Red Hat Developers Red Hat’s latest build of Cryostat 2.4, designed specifically for the Red Hat OpenShift Container Platform, brings a wealth of features and enhancements that cater to various monitoring needs for Java applications. At its core, Cryostat 2.4 excels in comprehensive Java Flight Recorder (JFR) data management. Users can effortlessly start, stop, retrieve, archive, import, and export JFR data, all through an intuitive web console or an accessible HTTP API ..read more

Orignally posted at Red Hat Developers In an exciting development for Java developers, this September 19th marked the release of JDK 21. This release contains many new capabilities that benefit the Java ecosystem, including virtual threads, record patterns, and sequenced collections. There are also some interesting features in the preview for JDK 21, such as string templates, scoped values, and structured concurrency. This article highlights six new features in this release ..read more

The JDK 21 release is well underway likely to drop around September 19th, and its not GA yet. further more it provides preview features. It was time for downloading one of the releases and giving it a try. Well I have given it a try some weeks ago so I already had it installed. e.g. openjdk version "21-ea" 2023-09-19 OpenJDK Runtime Environment (build 21-ea+26-2328) OpenJDK 64-Bit Server VM (build 21-ea+26-2328, mixed mode, sharing) The fun thing though is that there are couple of very cool features that are still in preview ..read more

There are multiple options to configure OpenShift integration with an IDP. Usually one would use something like an LDAP, AD (Active Directory) for use in a production cluster or a corporate environment. This guide is a basic how-to in configuring using the htpasswd file which is one of the IDP integration options in Openshift 4.x. htpasswd is a tool used to create and update the flat-files used to store usernames and password for basic authentication of HTTP users ..read more

If you are into Computer vision, you probably are familiar with OpenCV. Its an amazing library that has almost everything one needs to do 2D and 3D processing and much more. Gesture recognition, face detection, Motion tracking, think of anything related to image processing and OpenCV can be your goto. Its based on the BSD license, so you can just download it and start using it. OpenCV is written in C, and there are nice Java bindings for it too ..read more

Orignally posted at Red Hat Developers Red Hat Data Grid is a distributed, cloud-based datastore offering very fast response times as an in-memory database. The latest version, Data Grid 8.3, features cross-site replication with more observability and two new types of SQL cache store for scaling applications with large datasets. This version also brings improved security, support for Helm charts, and a better command-line interface (CLI). This article is an overview of new features and enhancements in this latest version of Red Hat Data Grid ..read more

Orignally posted at Red Hat Developers In exciting news for Java developers, Java 18 forked off from the main line at the end of last year and has entered Rampdown Phase Two. This article highlights some of the features that developers can look for in the upcoming Java 18 release, including the new simple web server module, a more sophisticated way to annotate your Javadocs, and the –finalization=disabled option, which lets you test how a Java application will behave when finalization is removed in a future release ..read more

Orignally posted at Red Hat Developers Java is one of the most used languages out there and has been in the top three for the last two decades. Java powers millions of applications across verticals and platforms. Linux is widely deployed in data centers, Edge networks, and Cloud. Today we announce the availability of Quarkus for all our Red Hat Enterprise Linux (RHEL) customers. If you are running RHEL, you can now also run Red Hat Build of Quarkus (RHBQ ..read more

I use Fedora as my regular Linux. And I have been doing that for years now, even though I am a developer its simple and straight forward enough to get my way around. It has some great features and spins. You should check it out at Fedora project Here is a quick list of things that worked for me to setup docker on Fedora 33. I followed the guidelines here. Plus some more to config the firewall and user access ..read more

Orignally posted at Red Hat Developers A Java runtime environment should be able to run compiled source code, whereas a development kit, for example, OpenJDK, would include all the libraries/binaries to compile and run the source code. Essentially the latter is a superset of the runtime environment. More details on OpenJDK support and lifecycle can be found here. Red Hat ships and supports container images with OpenJDK for both Java 8 and 11 ..read more