Upgrade a distributed RHEL, CentOS, or Oracle Linux installation of Splunk UBA

Before upgrading Splunk UBA in a distributed deployment, be sure you have verified the Upgrade Splunk UBA prerequisites. Make sure that the prerequisites are verified on each server in the distributed deployment.

Distributed environment upgrade steps

Install Splunk UBA 5.0.1 on the master node only. The upgrade script will update all relevant files on the other Splunk UBA nodes. Ensure that Splunk UBA is running before you upgrade.

To obtain and install Splunk UBA 5.0.1:

1. Obtain the Splunk UBA Software Update and download the file to the /home/caspida directory. Select version 5.0.1 from the drop-down list. The downloadable archive file is named splunk-uba-software-upgrade-package_501.tgz. The size of the archive file is approximately 195MB and the extracted size is approximately 200MB. Make sure you have enough space in /home/caspida before downloading and extracting the archive file.
2. Extract the archive with the following command:

   tar xfz /home/caspida/splunk-uba-software-upgrade-package_501.tgz -C /home/caspida

3. If you are using the Splunk UBA Kafka Ingestion App, perform the following tasks.
   1. Stop all data sources.

      /opt/caspida/bin/Caspida stop-datasources

   2. Download and upgrade to version 1.3 of the Splunk UBA Kafka Ingestion App. During the upgrade, select the Upgrade app. Checking this will overwrite the app if it already exists. checkbox to upgrade the app without restarting Splunk Enterprise. See Install the Splunk UBA Kafka Ingestion App.
4. On the master node, apply the patch with the following command:

   /home/caspida/patch_uba_501/bin/utils/patch_uba.sh -p /home/caspida/patch_uba_501

   The command installs the patch, restarts Splunk UBA, and restarts the data sources.

Next steps

Verify a successful upgrade of Splunk UBA.