What potential differences in server configurations between a MacBook and a Raspberry Pi could be causing the database connection issue?

The database connection issue between a MacBook and a Raspberry Pi could be caused by differences in server configurations such as network settings, database drivers, or firewall settings. To solve this issue, ensure that both devices are on the same network, use the correct database driver for the specific database being used, and check firewall settings to allow database connections. 

// PHP code snippet to establish a database connection using PDO on both MacBook and Raspberry Pi
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "Connected successfully";
} catch(PDOException $e) {
    echo "Connection failed: " . $e->getMessage();
}

Keywords

MacBook Raspberry Pi server configurations database connection PHP

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