WebSphere Liberty supports any Java 8, 11, or 17 edition. The concepts and techniques apply generally to other supported operating systems although details of other operating systems may vary significantly and are covered elsewhere. This lab is built on top of Linux (specifically, Fedora Linux, which is the open source foundation of RHEL/CentOS). For labs that demonstrate how to use WebSphere in containers in production, see WebSphere Application Server and Docker Tutorials. VNC, Remote Desktop, WebSphere Liberty, a full GUI server, etc.) and although this approach is valid and supported, it is generally not recommended for real-world application deployment usage. The way we are using these container images is to run multiple services in the same container (e.g. This lab container image comes with WebSphere Liberty pre-installed so installation and configuration steps are skipped. This is a subset of the WebSphere Performance and Troubleshooting Lab which also covers WAS traditional, and troubleshooting labs. This lab covers the major tools and techniques for performance tuning WebSphere Liberty. WAS traditional and Liberty share some source code but differ in significant ways. The colloquial term 'Liberty' may refer to WebSphere Liberty, OpenLiberty, or both. The commercial WebSphere Liberty product is built on top of the open source OpenLiberty. WebSphere Liberty: Released in 2012 and designed for fast startup, composability, and the cloud. WAS traditional (colloquially, tWAS): Released in 1998 and still fully supported and used by many. IBM® WebSphere® Application Server (WAS) is a platform for serving Java™-based applications.

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