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Configuring GUI Users

There are three classes of GUI users with different permissions for each.

  1. Users with Administrator permission throughout a cluster can perform all possible actions through the GUI.

  2. Users with Operator permission on a server can view LifeKeeper configuration and status information and can bring resources into service and take them out of service on that server.

  3. Users with Guest permission on a server can view LifeKeeper configuration and status information on that server.

The GUI server must be invoked as root. During installation of the GUI package, an entry for the root login and password is automatically configured in the GUI password file with Administratorpermission, allowing root to perform all LifeKeeper tasks on that server via the GUI application or web client. If you plan to allow users other than root to use LifeKeeper GUI clients, then you need to configure LifeKeeper GUI users.

The best practice is to always grant permissions on a cluster-wide basis. It is possible to grant permissions on a single-server basis, but that is confusing to users and makes it impossible to perform administrative tasks.

User administration is performed through the command line interface, using lkpasswd, as described below. Unless otherwise specified, all commands require you to enter the user's password twice. They take effect on the user's next login or when the GUI server is restarted, whichever comes first. Each user has a single permission on a given server. Previous permission entries are deleted if a new permission is specified on that server.

Note: These commands update the GUI password file only on the server being administered. You should repeat the command on all servers in the LifeKeeper cluster.

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