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Enterprise Postgres 16 Installation and Setup Guide for Client

3.2.1 Pre-installation Tasks

Check the system environment for the following before the Linux client is installed.

Check the disk capacity

Check if sufficient free disk space is available for installing the Linux client.

Refer to "3.1.6 Disk Space Required for Installation" for information on disk space requirements.

If sufficient free disk space is unavailable, reconfigure disk partitions.

Set JAVA_HOME (SLES only)

Ensure that JRE 8 is installed, and export the JAVA_HOME environment variable.

#export JAVA_HOME="Jre8InstallDir"

Executable Users

Installation and uninstallation is performed by superuser.

On the system, run the following command to become superuser.

$ su -
Password:******

Check the installed product and determine the installation method

Using the operation shown below, start Uninstall (middleware), and check the installed products.

Example
# /opt/FJSVcir/cimanager.sh -c
Loading Uninstaller...


Currently installed products
1. productName
2. productName

Type [number] to select the software you want to uninstall.
[number,q]
=>q



Exiting Uninstaller.

If the Linux client is already installed, determine the installation method to use:

Remove applied updates

If you perform reinstallation as the installation method, remove applied updates using the procedure shown below.

Note

If a product is installed without removing applied updates, the following will occur:

  • Performing reinstallation

    If an update with the same update and version number is applied, an error informing you that the update has already been applied is displayed.

    Perform the reinstallation after removing the update.

1. Display the applied updates

Execute the following command to display the applied updates:

# /opt/FJSVfupde/bin/uam showup
2. Remove the updates

Execute the command below to remove the updates. If an update with the same update number was applied more than once, the updates are removed in order, starting from the highest version number.

# /opt/FJSVfupde/bin/uam remove -i update-number

Note

If the installation directory/lib is set in the environment variable LD_LIBRARY_PATH for the running user, remove the installation directory/lib from LD_LIBRARY_PATH.