Oracle Instant Client is a free Oracle database client. It provides core functionality for all OCI, OCCI and JDBC-OCI applications. Oracle-xe and JRE or JDK packages are optional and depends on your needs. You need an Oracle account and you must Agree to Oracle's download agreement before this can be downloaded. You have to use a web browser to download it. Ensure that you download the correct RPM "Instant Client Package - Basic" For x86: oracle-instantclient12.1-basic-12.1.0.2.0-1.i386.rpm For x86_64: oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm