You are Welcome! The Tutorial shows you Step-by-Step How to Install Apache Cassandra 3.x NoSQL Database on CentOS GNU/Linux 6.x/7.x/8.x Desktop.
And the Apache Cassandra for CentOS NoSQL Database for Ubuntu is the right choice when you need scalability and high availability without compromising performance.
Here is Described a System Wide Installation, for a Local one Put stuff into Home, omit permissions and adapt commands consequently.
Finally, Pre-Requisite to Cassandra 3.x Database Installation is an Oracle Java JDK 8+ Setup on Red Hat System!