How to set cassandra username and password

Suitable for versions above cassandra 2.0

1. First modify the configuration file cassandra.yaml

Set the default authenticator: AllowAllAuthenticator to run everyone login to log in with a password:

authenticator: PasswordAuthenticator

2. Log in to cassandra to create a user

Log in to cassandra with the default account

Execute in the bin directory

./cqlsh -ucassandra -pcassandra

create user

CREATE USER myusername WITH PASSWORD 'mypassword' SUPERUSER ;

 3. Login with new user

Delete the default account:

DROP USER cassandra ;

 4. Java uses username and password to access cassandra

Cluster cluster = Cluster.builder()
.addContactPoint("192.168.22.161")
.withCredentials("myusername", "mypassword")
.build();