The following table describes the user privilege requirements for package-based installation of CDH without Cloudera Manager. These requirements are standard UNIX system requirements for installing and managing packages and services.
|Install CDH components||root or sudo access for installing any RPM-based package, and service startup/shutdown. Passwordless SSH as the root user is not required.|
|Upgrade a previously installed CDH package||root or sudo access. Passwordless SSH as the root user is not required.|
|Install or upgrade hosts in a CDH cluster||Passwordless SSH as root, so that scripts can be used to help manage the CDH package and configuration across the cluster.|
|Change the CDH package (for example: RPM upgrades, configuration changes that require CDH service restarts, addition of CDH services).||root or sudo access to restart any host impacted by the change, which could cause a restart of a given service on each host in the cluster.|
|Start, stop, or restart a CDH service||root or sudo access|