IBM Streams 4.2.1

Preinstallation roadmap for the IBM Streams interactive and silent installation methods

This roadmap summarizes preinstallation requirements and tasks for the IBM® Streams interactive and silent installation methods.

Table 1. Preinstallation roadmap for the interactive and silent installation methods
Task Description
Review the installation considerations for IBM Streams environments with multiple resources The preferred and most reliable environment for multiple resources is a production environment. IBM Streams also supports a highly available hybrid environment that uses Secure Shell (SSH). If you do not need high availability, a development or test environment might be your preferred option.
Create the user ID and group that will own the installation. For both root and non-root installations, the user ID and group that own the installation must exist before running the IBM Streams installation program. For installations that are shared by multiple users, the preferred method is to install as the root user and specify a non-personal administrator ID, or install by using a non-personal administrator ID such as streamsadmin.

If you are running the installation program as a non-root user, you are the owner of the IBM Streams installation. If you are running the installation program as a root user, the program prompts you to specify the user and group that will own the installed files. The root user cannot own the installed files.

Create a response file, if required. A response file is required for a silent installation.
Update installation script files, if required In Version 4.2, there are changes to several IBM Streams installation file names. For more information, see Installation file changes for IBM Streams.
Optional: Configure a different temporary directory for installation processing. By default, the temporary directory used by the IBM Streams installation program is the /tmp directory. To configure a different directory, update the IATEMPDIR environment variable by entering the following command:
export IATEMPDIR=temporary-directory
where temporary-directory is the path to the temporary directory, for example, /home/streamsadmin.
Note: If you do not have permission to execute files in the /tmp directory, the installation program might not run. To work around this issue, configure a different temporary directory.