Linux Oracle Patching and Ubuntu Patching

Hi friends , we are having many linux distribution in our environment. RHEL and CentOS using RHSM Download Plugin i can install packages and full update also able to do . but Linux Oracle i am not seeing any download Plugin in console and how to intall or update packages using yum ?. and also ubuntu how to install or update packages through bigfix . if any one know please share me the steps . which is useful for me