mcp/app/Commands/InstallMariadbCommand.php

<?php

namespace App\Commands;

use Illuminate\Console\Scheduling\Schedule;
use LaravelZero\Framework\Commands\Command;
use Illuminate\Support\Facades\File;

use App\Facades\Install;

use Log;

class InstallMariadbCommand extends Command
{
    /**
     * The signature of the command.
     *
     * @var string
     */
    protected $signature = 'install:nginx';

    /**
     * The description of the command.
     *
     * @var string
     */
    protected $description = 'Install mariadb and set configuration';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->info('Mariadb install...');

        exec('apt update 2>&1');
        exec('apt install -y mariadb-server mariadb-client 2>&1');

        $link = mysqli_connect('127.0.0.1', 'root', $password);

        //exec('UPDATE mysql.user SET Password=PASSWORD('${install_mysql_password}') WHERE User='root';');
        //mysql_query("UPDATE mysql.user SET Password=PASSWORD('$password') WHERE User='root';");
        //

        mysqli_close($link);

        if (Install::isReady('mariadb-server mariadb-client')) {

            // get status of nginx
            exec('nginx -v 2>&1', $output);
            $status = "$output[0] installed";

            $this->info($status);
            Log::info($status);
        }
    }
}