PDOException SQLSTATE[HY000] [2002] No such file or directory in LARAVEL

Error:root@ip-172-31-0-250:/opt/lampp/htdocs/wz-account-admin-ms#

php artisan passport:install
Encryption keys already exist. Use the --force option to overwrite them.
   Illuminate\Database\QueryException  : SQLSTATE[HY000] [2002] No such file or directory (SQL: insert into `oauth_clients` (`user_id`, `name`, `secret`, `redirect`, `personal_access_client`, `password_client`, `revoked`, `updated_at`, `created_at`) values (?, Wizbrand Personal Access Client, 9K8liCzlFeZhXbZvXdof5jRYpMUF8yRRDwkQCkk6, http://localhost, 1, 0, 0, 2022-09-30 06:05:31, 2022-09-30 06:05:31))

solution:

'unix_socket' => '/opt/lampp/var/mysql/mysql.sock', attach in database/config.php

IN env

DB_SOCKET=/opt/lampp/var/mysql/mysql.sock  in env

'mysql' => [
            'driver' => 'mysql',
            'url' => env('DATABASE_URL'),
            'host' => env('DB_HOST', 'localhost'),
            'port' => env('DB_PORT', '3306'),
            'database' => env('DB_DATABASE', 'forge'),
            'username' => env('DB_USERNAME', 'forge'),
            'password' => env('DB_PASSWORD', ''),
            // 'unix_socket' => env('DB_SOCKET', ''),
            'unix_socket' => '/opt/lampp/var/mysql/mysql.sock',
            'charset' => 'utf8mb4',
            'collation' => 'utf8mb4_unicode_ci',
            'prefix' => '',
            'prefix_indexes' => true,
            'strict' => true,
            'engine' => null,
          //  'options' => extension_loaded('pdo_mysql') ? array_filter([
            //    PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
           // ]) : [],
        ],

reference