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Uninstall Liberty from distributed operating systems using response files

We can unWAS Liberty Core using Installation Manager response files.

Optional: Perform or record the installation of Installation Manager and installation of the product to a temporary installation registry on one of the systems so we can use this temporary registry to record the uninstallation without using the standard registry where Installation Manager is installed.

Use Installation Manager, we can work with response files to uninstall the product in a variety of ways. We can record a response file using the GUI as described in the following procedure, or we can generate a new response file by hand or by taking an example and modifying it.

  1. Stop all servers and applications on the WebSphere Application Server Liberty Core installation.

  2. Optional: Record a response file to uninstall the product: On one of the systems, perform the following actions to record a response file that will uninstall the product:

    1. From a command line, change to the eclipse subdirectory in the directory where you installed Installation Manager.

    2. Start Installation Manager from the command line using the -record option.

      For example:

      • Administrator or non-administrator: 

        IBMIM.exe -skipInstall "C:\temp\imRegistry" 
  -record C:\temp\uninstall_response_file.xml

      • Administrator: 
        ./IBMIM -skipInstall /var/temp/imRegistry 
  -record /var/temp/uninstall_response_file.xml

      • Non-administrator: 
        ./IBMIM -skipInstall user_home/var/temp/imRegistry 
  -record user_home/var/temp/uninstall_response_file.xml

      If we choose to use the -skipInstall parameter with a temporary installation registry created as described in Before you begin, Installation Manager uses the temporary installation registry while recording the response file. It is important to note that when the -skipInstall parameter is specified, no product packages are installed or uninstalled. All of the actions that you perform in Installation Manager simply update the installation data that is stored in the specified temporary registry. After the response file is generated, it can be used to uninstall the product, removing the product files and updating the standard installation registry.

      The -skipInstall operation should not be used on the actual agent data location used by Installation Manager. This is unsupported. Use a clean writable location, and reuse that location for future recording sessions.

      For more information, read the IBM Installation Manager Information Center.

    3. Click Uninstall.

    4. In the Uninstall Packages window, perform the following actions.

      1. Select IBM WebSphere Application Server Liberty Core and the appropriate version.

        If we are uninstalling the trial version of this offering, select IBM WebSphere Application Server Liberty Core Trial and the appropriate version.

      2. Click Next.

    5. Review the summary information.

    6. Click Uninstall.

      • If the uninstallation is successful, the program displays a message that indicates success.

      • If the uninstallation is not successful, click View log to troubleshoot the problem.

    7. Click Finish.

    8. Click File > Exit to close Installation Manager.

  3. Use the response file to uninstall the product: From a command line on each of the systems from which to uninstall the product, change to the eclipse/tools subdirectory in the directory where you installed Installation Manager and use the response file that we created to uninstall the product.

    For example:

    • Administrator or non-administrator: 

      imcl.exe 
  input C:\temp\uninstall_response_file.xml 
  -log C:\temp\uninstall_log.xml

    • Administrator: 
      ./imcl
  input /var/temp/uninstall_response_file.xml 
  -log /var/temp/uninstall_log.xml

    • Non-administrator: 
      ./imcl
  input user_home/var/temp/uninstall_response_file.xml 
  -log user_home/var/temp/uninstall_log.xml

    Go to the IBM Installation Manager Information Center for more information.

  4. Optional: List all installed packages to verify the uninstallation.

      ./imcl listInstalledPackages

      imcl listInstalledPackages

  5. Optional: Uninstall IBM Installation Manager.

    Important: Before we can uninstall IBM Installation Manager, we must uninstall all of the packages that were installed by Installation Manager.

    Read the IBM Installation Manager Information Center for information about using the uninstall script to perform this procedure.


Example

The following is an example of a response file for uninstalling the product. 

<?xml version="1.0" encoding="UTF-8"?>
<agent-input clean='true' temporary='true'>
<uninstall modify='false'>
<offering id='com.ibm.websphere.liberty.v85' 
  profile='WebSphere Liberty V8.5'/>
</uninstall>
<profile id='WebSphere Liberty V8.5' 
  installLocation='C:\Program Files\IBM\WebSphere\Liberty'>
</profile>
</agent-input>

When we uninstall the IBM WebSphere Application Server Liberty Core package, we must uninstall all the packages under the same package group that are extensions to the IBM WebSphere Application Server Liberty Core package. IBM WebSphere SDK Java Technology Edition v7.0 for Liberty is such an extension. To uninstall the entire package group, simply remove the id attribute in the <offering ../> stanza (id='com.ibm.websphere.liberty.v85' in the previous example) from the response file. Installation Manager will then uninstall all of the packages under the package group.


Parent topic: Install Liberty on distributed operating systems

Tasks:
Install Installation Manager and prepare to install Liberty
Install Liberty on distributed operating systems using the GUI
Install Liberty on distributed operating systems using the command line
Install Liberty on distributed operating systems using response files
Add and remove features from Liberty on distributed operating systems
Uninstall Liberty from distributed operating systems using the GUI
Uninstall Liberty from distributed operating systems using the command line
Upgrading Liberty on distributed operating systems using the GUI
Create custom installation repositories with IBM Packaging Utility
Use the launchpad to start Liberty installations



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