To connect to the service, open the YCQL shell (ycqlsh) by running the following command:

$ kubectl exec -it yb-tserver-0 -- ycqlsh yb-tserver-0
Connected to local cluster at
[cqlsh 5.0.1 | Cassandra 3.9-SNAPSHOT | CQL spec 3.4.2 | Native protocol v4]
Use HELP for help.

Run a cql command to verify it is working.

ycqlsh> describe keyspaces;
system_schema  system_auth  system