Installation Guide > Installation Guide > Installing Ingres > Installing Ingres for Linux > Installing Multiple Instances
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Installing Multiple Instances
The install program cannot be used to install another instance on the same machine. If you want to install another instance, follow these steps:
1. Rebuild the RPM packages, as described in Rebuild RPM Package with Unique Name.
2. Run the RPM commands, as described in Install Ingres Using RPM Commands.
3. Run the service script to configure the instance, as described in Run iisystemd Specifying II_RESPONSE_FILE.
Rebuild RPM Package with Unique Name
To install multiple Ingres instances on one machine, you need a unique set of package names for each instance. You must rebuild each RPM package to include an instance ID that is unique to the machine. You can then install this package using the instructions described in Install Ingres Using RPM Commands.
To rebuild the package, use the iirpmrename command. Multiple RPMs can be specified for renaming.
For example, to rebuild the base package named ingres-11.1.0-100.rpm to use an II_INSTALLATION of XX, issue the following command:
iirpmrename [path_to_directory/]ingres-11.1.0-100.rpm XX
A new RPM package is created in the current working directory called ingres-11.1.0-100.rpm. The package will install with II_SYSTEM=/opt/Actian/IngresXX and II_INSTALLATION=XX.
Note:  While you can still override the value for II_INSTALLATION using the response file or other methods mentioned above, we do not recommend it.
Last modified date: 11/28/2023