One of our customers asked us if it was possible to change the username of the CDH installation from "cloudera-scm" to another username.
Is this possible without using single-user mode? I've searched in the internet but did not find anything related to this.
It is possible to do so, but it is not something we document or test exactly.
The closest steps would be only doing the Cloudera Manager steps here:
Since the agent runs as "root" by default, you shouldn't need to do any of the agent-specific steps there.
Also, the Management Service "System User" and "System Group" are "cloudera-scm" by default.
You may need to do a little trial and error to get everything working, but I don't think it would be too bad.
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I think it's the copyright issue of cloudera. Modifications should not be allowed. Personal view only。。。