guest can't access to admin commands on posts

src/Template/Articles/view.ctp

@@ -1,10 +1,16 @@
 <nav class="medium-2 columns" id="actions-sidebar">
     <ul class="side-nav">
+
+       <?php if($this->request->session()->read("Auth.User")): ?>
         <li class="heading"><?= __('Actions') ?></li>
         <li><?= $this->Html->link(__('Liste des articles'), ['action' => 'index']) ?> </li>
         <li><?= $this->Html->link(__('Nouvel article'), ['action' => 'add']) ?> </li>
         <li><?= $this->Html->link(__('Éditer l\'article'), ['action' => 'edit', $article->id]) ?> </li>
         <li><?= $this->Form->postLink(__('Supprimer l\'article'), ['action' => 'delete', $article->id], ['confirm' => __('Êtes-vous sûr de vouloir supprimer l\'article # {0}?', $article->id)]) ?> </li>
+
+      <?php else: ?>
+        <li><?= $this->Html->link(__('Retour à la liste des articles'), ['action' => 'index']) ?> </li>
+      <?php endif ?>
     </ul>
 </nav>
 

src/Template/Layout/default.ctp

@@ -31,10 +31,11 @@
     <?= $this->Html->css('app.css') ?>
 
     <?= $this->Html->css('home_crisisdisplay.css') ?>
-    <?= $this->Html->css('crisis_list.css') ?>
+    <!--<?= $this->Html->css('crisis_list.css') ?>4<?= $this->Html->css('articles_template.css') ?> -->
+
     <?= $this->Html->css('foundation-icons.css') ?>
     <?= $this->Html->css('crisis_template.css') ?>
-    <?= $this->Html->css('articles_template.css') ?>
+    
     <!-- Topbar style -->
     <?= $this->Html->css('topbar.css') ?>
     <!-- Footer style -->