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In terminal
$ cd
# unpack
$ tar xvf files/cassandra-dsc-3.0.9.tgz
$ mv dsc-cassandra-3.0.9/ cassandra
# create directories
$ sudo rm -rf /var/lib/cassandra # cleanup
$ sudo mkdir -p /var/lib/cassandra
$ sudo chown $USER /var/lib/cassandra
$ sudo rm -rf /var/log/cassandra # cleanup
$ sudo mkdir -p /var/log/cassandra
$ sudo chown $USER /var/log/cassandra
$ ~/cassandra/bin/cassandra
Verify C* is running
$ ~/cassandra/bin/nodetool status
$ ~/cassandra/bin/cqlsh