Provide credentials for CQLSH

Provide a username and password to connect to a node on an authentication enabled HCD cluster using credentials:

Stored in the cqlshrc file
Specified by command line options

Where is the cassandra.yaml file?

The location of the cassandra.yaml file depends on your installation type.

Package installations
Tarball installations

/etc/hcd/cassandra

INSTALLATION_LOCATION/resources/cassandra/conf

Replace INSTALLATION_LOCATION with the path where you extracted the HCD tarball.

Set credentials in the cqlshrc file:
1. Create or modify the ~/.cassandra/cqlshrc file by adding an [authentication] section with a username and password.
  [authentication] username = <role_name> password = <password>
  See cqlshrc.sample for an example.
2. Save the file in <$HOME>/.cassandra directory.
3. Set permissions on the file to prevent unauthorized access, because the password is stored in plain text.
  chmod 440 <$HOME>/.cassandra/cqlshrc
4. Check the permissions on <$HOME>/.cassandra/cqlshrc_history to ensure that plain text passwords are not compromised.

On the command line:

Prompt for password
```
cqlsh -u <user_name>
```
No prompt
```
cqlsh -u <user_name> -p <password>
```

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