Splunk® User Behavior Analytics

Install and Upgrade Splunk User Behavior Analytics

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Upgrade a single node AMI or OVA installation of Splunk UBA

Before upgrading Splunk UBA on a single server, be sure you have verified the Upgrade Splunk UBA prerequisites.

Single server upgrade steps

Ensure that Splunk UBA is running before you upgrade, then perform the following tasks to upgrade Splunk UBA on a single server.

  1. Run the following command to install or upgrade libjson-perl:
    sudo apt-get install libjson-perl
  2. Obtain the Splunk UBA Software Update and download the file to the /home/caspida directory. Select version 5.0.5 from the drop-down list. The downloadable archive file is named splunk-uba-software-update_505.tgz.
  3. Extract the archive with the following command:
    tar xfz /home/caspida/splunk-uba-software-update_505.tgz -C /home/caspida

    The following files are extracted:

    • splunk-uba-software-update-000059-505.tgz
    • splunk-uba-software-update-000059-505.tgz.md5sum
    • uba-ext-pkgs-5.0.5.tgz
    • uba-ext-pkgs-5.0.5.tgz.md5sum
  4. Extract the software update package in the /home/caspida directory:
    tar xfz /home/caspida/splunk-uba-software-update-000059-505.tgz -C /home/caspida
  5. Apply the patch with the following command:
    /home/caspida/patch_uba_505/bin/utils/patch_uba.sh -p /home/caspida/patch_uba_505 -e /home/caspida/uba-ext-pkgs-5.0.5.tgz
    The command installs the new Splunk UBA software, restarts Splunk UBA, and then restarts the data sources.

Apply security patches on Ubuntu

The Splunk UBA AMI and OVA images use Ubuntu as the operating system. Perform the following tasks to apply the latest security patches to your Ubuntu operating system:

Applying the security patches can take up to one hour.

  1. Log in to the Splunk UBA server as the caspida user.
  2. Run the following command to stop Splunk UBA and all services:
    /opt/caspida/bin/Caspida stop-all
  3. Run the following commands to install latest unattended-upgrades package:
    sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6A030B21BA07F4FB
    sudo apt update
    sudo apt install unattended-upgrades
    

    If you see the following prompt, select keep the local version currently installed:

    What do you want to do about modified configuration file 50unattended-upgrades?
  4. Run the following command:
    sudo apt autoremove
  5. Edit the /etc/apt/apt.conf.d/50unattended-upgrades file and un-comment the following line:

    Skip this step if you have previously applied security patches to your Ubuntu environment following these instructions.

    "${distro_id}:${distro_codename}-security";
    Leave all other lines commented out.
  6. Run the following command:
    sudo unattended-upgrade -d
  7. Edit the /etc/init.d/zookeeper-server file and change su to runuser in all of the following lines:

    Skip this step if you have previously applied security patches to your Ubuntu environment following these instructions.

    su -s /bin/bash zookeeper -c "${DAEMON_SCRIPT} start"
    su -s /bin/bash zookeeper -c "${DAEMON_SCRIPT} stop"
    su -s /bin/bash zookeeper -c "zookeeper-server-initialize $*"
    
  8. Reboot the system:
    sudo reboot
  9. Run the following command to start Splunk UBA and all services:
    /opt/caspida/bin/Caspida start-all

Next Steps

Verify a successful upgrade of Splunk UBA.

Last modified on 20 October, 2021
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This documentation applies to the following versions of Splunk® User Behavior Analytics: 5.0.5


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