Cassandra create a new user
1.Configure the file cassandra.yaml
set authenticator: PasswordAuthenticator
the default value of authenticator is AllowAllAuthenticator
2.Loggin by the default user cassandra ,if you didn't create the user before,it will create a default user cassandra ,and the password is cassandra
use the cqlsh
./cqlsh 192.168.1.201 -u cassandra
Password:cassandra
3.Update the replication of the system_auth
ALTER KEYSPACE system_auth WITH REPLICATION = {'class' : 'SimpleStrategy', 'replication_factor' : 3};
4.Create a new user
CREATE USER myusername WITH PASSWORD 'mypassword' SUPERUSER ;
Now , you can use the new user information loggin for cassandra.