@ernesto    I run apt remove scm-agent Means this removed the agent packages. Then and apt install scm-agent.... Means this is not trying to connect within Cloudera Repo which is behind paywall hence failing. The catch is that the running cluster will stay but whenever you try to change things like add host host or other operations it will fails since you need paywall subscription. In short you cannot add a new host (which is equivalent to installing an agent on some host again). ... View more