Installing Liberty
You can install WebSphere® Application Server Liberty by using Installation Manager, by extracting downloaded archive files, or by using the WebSphere Application Server Developer Tools for Eclipse. With all methods, you can also download and install assets from the Liberty Repository.
Before you begin
When you plan an installation, review the list of supported operating systems, detailed system requirements, and hardware requirements. To get this information, you can view a software product compatibility report.
- Go to the Software Product Compatibility Reports page.
- Click Create a report for the type of report you want to create.
- For the Full or partial product name field, enter
WebSphere Application Server Liberty
and click the Search product icon. - In the search results, select a Liberty version in the Version list and click Submit.
Learn the steps to quickly and easily generate custom Liberty software product compatibility reports.
About this task
Each installation method offers different benefits.
- Installation Manager provides managed installations, allows for in-place updates, and is the same tool that is used to install many other IBM® products.
- Archive files are lightweight, easily customizable, and are better suited for cloud deployments.
The following table compares the available installation methods for WebSphere Application Server Liberty.
Installation method | Installation Manager | Archive |
---|---|---|
Agent-less installation | No | Yes |
Install directly to any fix pack level. | Yes | Yes |
Apply fix packs in place. | Yes | No |
Apply interim fixes in place. | Yes | Yes |
Automated rollback of fix packs and interim fixes | Yes | No |
Upgrade product editions. | Yes | Yes |
Pluggable Java™ SDK provided | Yes | No, if you want to download an IBM SDK for use with archive installs, see IBM Java SDKs for WebSphere Liberty. |
Integrated with developer tools | No | Yes |
Add features in place. | Yes | Yes |
Liberty Repository integration | Yes | Yes |
z/OS® packaging provided | Yes | No |
Minification supported | Yes, but the output of the minify command is a new image that can be serviced only with archive procedures. | Yes, the output of the minify command is a new image. |
Procedure
Install Liberty by using one of the
following methods:
Regardless of the installation method, after you install Liberty, you can install add or remove Liberty assets. For more information, see Install assets from the Liberty
Repository.