How to grant rights to Redis to a new unix user?

Question

Redis

There is a user `petya` VirtualHost configured
in Apache

<VirtualHost>
AssignUserID petya petya
</VirtualHost>

Redis session storage specified in PHP php.ini settings When starting the site, it gives an error
session.save_path = "tcp://localhost:6379/"

PHP Fatal error:  Uncaught exception 'RedisException' with message 'Connection closed'

As I understand it, the error occurs due to insufficient rights to use Redis.
How to grant permissions for the user `petya` to manage a radish?

Answer 1

under what will you issue rights? unix? ssh? web control panel?

Answer 2

I do not think that the error is due to insufficient rights. Does it connect normally through redis-cli?