All Products: How to Upgrade Java JDK on CentOS 6 and 7

Products

• Carbon Black App Control (formerly Cb Protection)
• Carbon Black Cloud Endpoint Standard (formerly Cb Defense)
• Carbon Black Cloud Enterprise EDR (formerly Cb Threathunter)
• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

To upgrade to the latest Java OpenJDK platform

Environment

• All Products
• Java OpenJDK
• CentOS 6: All Supported Versions
• CentOS 7: All Supported Versions

Resolution

1. From CentOS, open Terminal.
2. Confirm which Java version is currently installed.

java -version

3. Browse and find the preferred, available Java OpenJDK.

   yum list *openjdk*

4. Install the required version of Java.

yum install java-<version here>-openjdk

5. Set the home environment for Java.
   1. Type:

      update-alternatives --config java

   2. Choose the appropriate selection according to the number shown.
6. Confirm that the latest version of Java has been installed.

java -version

Additional Information

• Upgrading major versions of Java OpenJDK on the application server of on-prem EDR is not recommended.
• If a specific Java OpenJDK version does not appear as being available this is due most likely to CentOS version incompatibility.