මේ Logincontroller එක
dd($status) එකෙනුත් false රිටන් වෙන්නෙ.

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;
use Auth;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
        $this->middleware('guest:adminuser')->except('logout');
        $this->middleware('guest:customer')->except('logout');
    }
    
    /*public function showUserLoginForm() //show backend login form for admin users
    {
        return view('auth.login', ['url' => 'admin']); //edit this line to set path for adminLTE login form
    }*/

    public function adminLogin()
    {
        return view('admin.adminLogin');
    }

    public function adminHome()
    {
        return view('admin.home');
    }

    //login for the Admin user
    public function userLogin(Request $request)
    {
        $this->validate($request, [
            'username'   => 'required|min:3',
            'password' => 'required|min:6|max:6'
        ]);

        $status = Auth::guard('adminuser')->attempt(['email' => $request->username, 'password' => $request->password]);
        dd($status);
        if ($status == true) {
            return redirect()->intended('/adminhome');
            //$request->session()->flash('success', 'Login Successfully!');
           // return redirect('/adminhome'); // redirect to admin dashboard
        }
        else{
            $request->session()->flash('error', 'Sorry,Login Unuccessfull!');
            return redirect()->back();
        }
        //return back()->withInput($request->only('email', 'remember'));
    }


    //login for the customer
    public function customerLogin(Request $request)
    {
        $this->validate($request, [
            'username' => 'required|min:3',
            'password' => 'required|min:6|max:6'
        ]);
        
        $status = Auth::guard('customer')->attempt(['email' => $request->username, 'password' => $request->password], $request->get('remember'));
        if ($status == true) {
            $request->session()->flash('success', 'Login Successfully!');
            return redirect('/index');
        }
        else{
            $request->session()->flash('error', 'Sorry,Login Unuccessfull!');
            return redirect()->back();
        }
        //return back()->withInput($request->only('email', 'remember'));
    }
}

AdminUser.php Model එක

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Notifications\Notifiable;
use Illuminate\Foundation\Auth\User as Authenticatable;

class AdminUser extends Authenticatable
{
    protected $table = 'adminusers';

    use Notifiable;

    protected $guard = 'adminuser';

    protected $fillable = [
        'username', 'password',
    ];

    protected $hidden = [
        'password', 'remember_token',
    ];
}

auth.php මේකෙ තමා customer , adminuser කියන guards දෙක හදල තියෙන්නෙ

<?php

return [

    /*
    |--------------------------------------------------------------------------
    | Authentication Defaults
    |--------------------------------------------------------------------------
    |
    | This option controls the default authentication "guard" and password
    | reset options for your application. You may change these defaults
    | as required, but they're a perfect start for most applications.
    |
    */

    'defaults' => [
        'guard' => 'web',
        'passwords' => 'users',
    ],

    /*
    |--------------------------------------------------------------------------
    | Authentication Guards
    |--------------------------------------------------------------------------
    |
    | Next, you may define every authentication guard for your application.
    | Of course, a great default configuration has been defined for you
    | here which uses session storage and the Eloquent user provider.
    |
    | All authentication drivers have a user provider. This defines how the
    | users are actually retrieved out of your database or other storage
    | mechanisms used by this application to persist your user's data.
    |
    | Supported: "session", "token"
    |
    */

    'guards' => [
        'web' => [
            'driver' => 'session',
            'provider' => 'users',
        ],

        'api' => [
            'driver' => 'token',
            'provider' => 'users',
            'hash' => false,
        ],
        'customer' => [
            'driver' => 'session',
            'provider' => 'customers',
        ],
        'adminuser' => [
            'driver' => 'session',
            'provider' => 'adminusers',
        ],
    ],

    /*
    |--------------------------------------------------------------------------
    | User Providers
    |--------------------------------------------------------------------------
    |
    | All authentication drivers have a user provider. This defines how the
    | users are actually retrieved out of your database or other storage
    | mechanisms used by this application to persist your user's data.
    |
    | If you have multiple user tables or models you may configure multiple
    | sources which represent each model / table. These sources may then
    | be assigned to any extra authentication guards you have defined.
    |
    | Supported: "database", "eloquent"
    |
    */

    'providers' => [
        'users' => [
            'driver' => 'eloquent',
            'model' => App\Models\User::class,
        ],
        'customers' => [
            'driver' => 'eloquent',
            'model' => App\Models\Customer::class,
        ],
        'adminusers' => [
            'driver' => 'eloquent',
            'model' => App\Models\AdminUser::class, 
        ],

        // 'users' => [
        //     'driver' => 'database',
        //     'table' => 'users',
        // ],
    ],

    /*
    |--------------------------------------------------------------------------
    | Resetting Passwords
    |--------------------------------------------------------------------------
    |
    | You may specify multiple password reset configurations if you have more
    | than one user table or model in the application and you want to have
    | separate password reset settings based on the specific user types.
    |
    | The expire time is the number of minutes that the reset token should be
    | considered valid. This security feature keeps tokens short-lived so
    | they have less time to be guessed. You may change this as needed.
    |
    */

    'passwords' => [
        'users' => [
            'provider' => 'users',
            'table' => 'password_resets',
            'expire' => 60,
        ],
    ],

];

Adminuser login form එක

 <form action="/adminUserLogin" method="POST">
        @csrf
        <div class="input-group mb-3">
          <input type="text" class="form-control" placeholder="Username" name="username" id="username">
          <div class="input-group-append">
              <span class="fa fa-user input-group-text"></span>
          </div>
        </div>
        <div class="input-group mb-3">
          <input type="password" class="form-control" placeholder="Password" name="password" id="password">
          <div class="input-group-append">
              <span class="fa fa-lock input-group-text"></span>
          </div>
        </div>
        <div class="row">
          <div class="col-8">
            <div class="checkbox icheck">
              <label>
                <input type="checkbox"> Remember Me
              </label>
            </div>
          </div>
          <!-- /.col -->
          <div class="col-4">
            <button type="submit" class="btn btn-primary btn-block">Sign In</button>
          </div>
          <!-- /.col -->
        </div>
      </form>

කොහොමද මේක හදාගන්නෙ. plz help!