Required Privileges
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.
| Task | Permissions Required |
|---|---|
| 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 |