serverあれこれ: Vagrantでmybbをインストールした仮想マシン(Ubuntu16.04)を構築する

以下のVagrantfileを使用して、mybbをインストールした仮想マシンを構築する事ができます。
仮想マシンが構築された後、ブラウザからhttp://192.168.1.105/mybb/にアクセスして初期設定を行います。

Vagrantfile

VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "bento/ubuntu-16.04"
  config.vm.hostname = "ub1604mybb"
  config.vm.provider :virtualbox do |vbox|
     vbox.name = "ub1604mybb"
     vbox.cpus = 2
     vbox.memory = 2048
     vbox.customize ["modifyvm", :id, "--nicpromisc2","allow-all"]
  end
  config.vm.network "private_network", ip: "192.168.55.105", :netmask => "255.255.255.0"
  config.vm.network "public_network", ip:"192.168.1.105", :netmask => "255.255.255.0"
  config.vm.provision "shell", inline: <<-SHELL
# update packages
apt-get update
#DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade
# install mysql
echo "mysql-server-5.7 mysql-server/root_password password root" | sudo debconf-set-selections
echo "mysql-server-5.7 mysql-server/root_password_again password root" | sudo debconf-set-selections
apt-get -y install mysql-server-5.7
mysql -uroot -proot -e "CREATE DATABASE mybb DEFAULT CHARACTER SET utf8;"
mysql -uroot -proot -e "CREATE USER mybb@localhost IDENTIFIED BY 'mybb';"
mysql -uroot -proot -e "GRANT ALL PRIVILEGES ON mybb.* TO 'mybb'@'localhost';"
mysql -uroot -proot -e "GRANT ALL PRIVILEGES ON mybb.* TO 'mybb'@'%';"
mysql -uroot -proot -e "FLUSH PRIVILEGES;"
apt-get -y install apache2 libapache2-mod-php7.0
apt-get -y install php7.0-gd php7.0-json php7.0-mysql php7.0-curl php7.0-mbstring
apt-get -y install php7.0-intl php7.0-mcrypt php-imagick php7.0-xml php7.0-zip
apt-get -y install unzip
# install nextcloud
wget https://resources.mybb.com/downloads/mybb_1812.zip
unzip mybb_1812.zip
mv Upload /opt/mybb
chown -R www-data:www-data /opt/mybb
ln -s  /opt/mybb /var/www/html
service apache2 restart
echo 'access http://192.168.1.105/mybb/';;
echo 'db user: mybb  password:mybb  db:mybb'
SHELL
end

○初期設定画面1