can't install oro platform using this command sudo php app/console oro:install --env="dev"

Question

trying to install oro platform using this command sudo php app/console oro:install --env="dev" but I get the following error :

Dropping database schema...

[PDOException]
SQLSTATE[HY000] [2002] Connection refused

doctrine:schema:drop [--dump-sql] [--force] [--full-database] [--em[="..."]] [-h|--help] [-q|--quiet] [-v|vv|vvv|--verbose] [-V|--version] [--ansi] [--no-ansi] [-n|--no-interaction] [-s|--shell] [--process-isolation] [-e|--env="..."] [--no-debug] [--jms-job-id="..."] [--current-user="..."] [--current-organization="..."] [--disabled-listeners="..."] command

[RuntimeException]
The command terminated with an exit code: 255.

Answer 1

Check your database parameters, something is wrong.