This article provides information about Linux user accounts that are provisioned on Oracle Database Cloud Service.

Every Database Cloud Service compute node is provisioned with the following operating system user accounts. Both compute nodes are provisioned with the following operating system user accounts.

  1. opc: The system administrator account you use with the sudo command to perform operations that require root-user access.
  2. oracle: The Oracle Database administrator account you use to access the system and perform non-root database administration tasks. A home directory, /home/oracle, is created for this user. This user cannot use the sudo command to perform operations that require root-user access.
  3. root: The root administrator for the system. You do not have direct access to this account. To perform operations that require root-user access, use the sudo command as the opc user.
  4. grid: The Oracle Grid Infrastructure administrator account you use to perform ASM, ACFS, and clusterware administration tasks. A home directory, /home/grid, is created for this user. This user cannot use the sudo command to perform operations that require root-user access. Additionally, by default you cannot connect as this user to the compute node using SSH. You can add the public key to the user’s $HOME/.ssh/authorized_keys file to grant persistent SSH access, or you can connect as the opc user and then use the sudo -s command to start a root-user command shell, followed by an su – grid command to switch to the grid user.

Note: oracle & grid user does not have password on Database as a service instances.

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