All about oracle-database-preinstall-19c (Oracle Linux 8, 7)

How to download?

• OEL8 -https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-1.el8.x86_64.rpm
• OEL7 -https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-2.el7.x86_64.rpm
• OEL 7 (old) -https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm

How to install?

rpm -qa oracle-database-preinstall-19c-1.0-1.el8.x86_64.rpm

What it will do?

• Create an oracle user
• Create groups
• Update kernel parameters

What will happen if existing oracle user and group exits?

• It will ignore oracle user creation
• It will add additional groups at the end of /etc/group
• It will replace existing kernel parameters with recommended values