Welcome to Gemini Central 3.1

This document provides the release notes for Gemini Central 3.1. It describes new capabilities and notable changes relative to the previous production release.

Upgrade from previous versions

Central 3.1 is released as a system upgrade pack containing new features, system-level changes, and patches released since the Manage 2.8 release.

Confirm your current Manage version before applying this upgrade pack. An existing installation of Manage 2.8 is required for this upgrade pack.

For customers running earlier versions, please contact the Gemini Support team via the Support Portal for information on upgrading to the latest version.

What’s New in Gemini Central 3.1

System and Foundation

  • The custom TLS certificates will be used by Gemini Explore in common.

  • More prerequisite checks will be performed when the user is trying to install Gemini Explore. 

  • The listening port of the installed Gemini Explore is now configurable.

  • It displays the master version of the installed Gemini Explore in the Explore management page.

  • The default home directory of each FTP user has been changed to /opt/users/splunk/. 

  • Fix multiple security vulnerabilities found and validated before April 11, 2022.

Fixed Issues

  • MGR-4101: Failover broken after upgraded

  • MGR-4115: Unable to create a networking bonding

  • MGR-4164: Remaining hadoop folder and log4j files after upgraded

Fixed Vulnerabilities

Since Central 3.0.1:

  • CentOS 7 : binutils (CESA-2021:4033)

  • CentOS 7 : cyrus-sasl (CESA-2022:0666)

  • CentOS 7 : dbus (CESA-2020:4032)

  • CentOS 7 : dhcp (CESA-2021:2357)

  • CentOS 7 : expat (CESA-2022:1069)

  • CentOS 7 : java-1.8.0-openjdk (CESA-2021:3889)

  • CentOS 7 : kernel (CESA-2021:3801)

  • CentOS 7 : kernel (CESA-2021:4777)

  • CentOS 7 : kernel (CESA-2022:0063)

  • CentOS 7 : kernel (CESA-2022:0620)

  • CentOS 7 : krb5 (CESA-2021:4788)

  • CentOS 7 : libmspack (CESA-2020:3848)

  • CentOS 7 : libxml2 (CESA-2021:3810)

  • CentOS 7 : nss (CESA-2021:4904)

  • CentOS 7 : openldap (CESA-2022:0621)

  • CentOS 7 : openssh (CESA-2021:4782)

  • CentOS 7 : openssl (CESA-2021:3798)

  • CentOS 7 : openssl (CESA-2022:1066)

  • CentOS 7 : polkit (CESA-2022:0274)

  • CentOS 7 : python-pillow (CESA-2022:0609)

  • CentOS 7 : rpm (CESA-2021:4785)

  • CentOS 7 : samba (CESA-2021:5192)

  • CentOS 7 : samba (CESA-2022:0328)

  • Apache Log4j 1.x Multiple Vulnerabilities

  • Apache Log4j Unsupported Version Detection

  • Apache Log4j 1.2 JMSAppender Remote Code Execution (CVE-2021-4104)

  • SSH Weak Key Exchange Algorithms Enabled

Known Issues

  • Sometimes a ‘failure’ message is shown when installing an app from the Gemini Explore integration center. Usually, this is a false alarm and in fact, the app has been installed successfully.

  • IMPORTANT: If there are iSCSI devices mounted, the bootup process will fail following an upgrade. Workaround:

    • Unmount all iSCSI devices before running the upgrade process.

Supported Platform Application Versions


Splunk Enterprise 8.0

Splunk Enterprise 8.1

Splunk Enterprise 8.2

Splunk Light 8.0

Splunk Light 8.1

Splunk Light 8.2

Deprecated and removed features

Deprecated features

  • Integration Center is deprecated and no longer maintained. It will be removed in the next release.

Removed features

  • None.


All third-party products mentioned within this document are the property of their respective owners.

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