$cmd = "node migrate.js --live='" . $row['live_host'] . "'" .
         " --preview_db_host='" . $row['preview_db_host'] . "'" .
         " --live_db_host='" . $row['live_db_host'] . "'" .
         " --preview='" . $row['preview_host'] . "'" .
         " --live_db='" . $row['live_db'] . "'" .
         " --preview_db='" . $row['preview_db'] . "'" .
         " --live_db_prefix='" . $row['live_db_prefix'] . "'" .
         " --preview_db_prefix='" . $row['preview_db_prefix'] . "'" .
         " --live_db_user='" . $live_db_config['username'] . "'" .
         " --live_db_pass='" . $live_db_config['password'] . "'" .
         " --preview_db_user='" . $preview_db_config['username'] . "'" .
         " --preview_db_pass='" . $preview_db_config['password'] . "'" .
         " --time='" . $time . "' 2>&1";