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Note:  If you log in to the GUI via a node that is the configuration node, you get an additional option Service Assistant Tool , as shown in Figure 5-2. Clicking this button takes you to the service assistant, rather than the cluster GUI. 

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It is preferable for each user to have their own unique account. The default user accounts should be disabled for use or their passwords changed and kept secured for emergency purposes only. This approach helps to identify personnel working on the systems and track all important changes done by them. The Superuser  account should be used for initial configuration only. 

