Summary
How to add all certificates to the "cacerts" in a JDK/JRE
Question
In some cases it might be necessary to add multiple certificates to the cacerts file in a JDK or JRE.
This process in Linux allows us to add one or many at once.
Answer
Verify the JAVA_HOME environment variable is set
In a shell type: echo $JAVA_HOME
If the path to the JDK or JRE is revealed then continue. If not then resolve your JAVA_HOME environment variable
To automatically install certificates into the JVM/JRE used by Linux, drop the certificate(s) into the folder...
/etc/pki/ca-trust/source/anchors
The run the command...
update-ca-trust