phpmyadmin-virtualhost.txt

Alias /phpmyadmin /var/www/html/phpmyadmin

<Directory /var/www/html/phpmyadmin/>
   AddDefaultCharset UTF-8
   <IfModule mod_authz_core.c>
          <RequireAny>
      Require all granted
     </RequireAny>
   </IfModule>
</Directory>

<Directory /var/www/html/phpmyadmin/setup/>
   <IfModule mod_authz_core.c>
     <RequireAny>
       Require all granted
     </RequireAny>
   </IfModule>
</Directory>