gkeytool-5

Java runtime environment using GIJ/Classpath (headless version)

Ubuntu
RUN apt-get update && \ apt-get install -y gcj-5-jre-headless
Raspbian
RUN apt-get update && \ apt-get install -y gcj-5-jre-headless
click the source code to copy install gkeytool-5 on any operating system with command-not-found.com