Disconnecting from 192.168.122.169... done.
</source>
:You'll find that yum prompts you to answer questions, which you don't want to do in an automated environment. And also yum prints too much output, which also isn't helpful in an automated environment. We'll fix it by adding two switches to yum: "-y" and "-d1":
:Notice also that all of the four commands can be run as many times as you want, the result will be the same. This is not always so easy.
=== Update all the rpm packages on remote worker ===
