IBM Prerequisite Scanner

IBM® Prerequisite Scanner is a prerequisite checking tool that analyzes system environments before you install or upgrade IBM Operations Analytics - Log Analysis.

The IBM Prerequisite Scanner compressed file is packaged with IBM Operations Analytics - Log Analysis.

Run the IBM Prerequisite Scanner as part of your installation planning before you install IBM Operations Analytics - Log Analysis.

Installing the IBM Prerequisite Scanner

To install the IBM Prerequisite Scanner, select one of the following options:
- Locate the IBM Prerequisite Scanner compressed file in the IBM Operations Analytics - Log Analysis package.
- Download the most recent scanner version for your operating system from IBM Fix Central: http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~Tivoli&product=ibm/Tivoli/Prerequisite+Scanner&release=All&platform=All&function=all
Extract the contents of the IBM Prerequisite Scanner compressed file to a preferred location as specified by ips_root on each target system that you intend to install IBM Operations Analytics - Log Analysis.
Note: You must have write permissions to the root directory in which you extract the contents of the compressed file.

Running the IBM Prerequisite Scanner

Open the command window.
Change the ips_root directory to the directory where the scanner is expanded.
Set the value for the relevant environment variable to True. For example:
```
export ENV_NAME=True
```
Run the IBM Prerequisite Scanner script file, prereq_checker. For example:
```
prereq_checker.sh "ILA 01320000" detail outputDir=<output_directory> 
```
Check the output results of the scanner and resolve any failed checks.

For more information about the IBM Prerequisite Scanner, see the IBM Prerequisite Scanner wiki page: https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Tivoli%20Documentation%20Central/page/IBM%20Prerequisite%20Scanner