"Centos7安装Oracle11g操作文档及注意事项"

The document provides a step-by-step guide for installing Oracle 11g on CentOS 7. It begins by recommending changing the hostname of the host machine from the default "localhost.localdomain" to another name for better case study purposes. Before proceeding with the installation, it suggests creating the necessary user and user group for Oracle system. Next, it instructs the creation of a directory for Oracle database installation and specifies the ownership of the directory. To avoid compatibility issues, the document advises modifying the CentOS system identifier. It states that failure to do so will result in an error message stating that Oracle 11g is not supported on the system. The default system identifier file is "/etc/redhat-release." It suggests checking the current identifier before making any modifications. Overall, this document aims to provide a comprehensive guide for successfully installing Oracle 11g on CentOS 7, including necessary preparations and system configuration.