Creating Cluster-Level ACLs

Describes how to control access to and actions on a cluster.

A cluster-level Access Control List (ACL) determines who has access to a cluster and which actions they are allowed to perform. ACLs on a secure MapR cluster are predicated on a locally managed OS registry.

Warning: Before you create an ACL that applies to a particular group, you must create that group and assign users to it.

For example, the Red Hat Linux commands for creating a group called developers and adding a user named jsmith on a locally managed OS registry are:

groupadd developers
useradd -g developers jsmith

Once users and groups have been defined, an administrator can create a cluster-level ACL in either of two ways: