VagrantでJupyterをインストールした仮想マシン(Debian Stretch/9.3)を構築する

以下のVagrantfileを使用して、Jupyterがインストールされた仮想マシン(Debian Stretch/9.3)を構築できます。
仮想マシン構築後、ブラウザからhttp://192.168.55.104:8080/?token=jupyterにアクセスします。

Vagrantfile

VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "bento/debian-9.3"
  config.vm.hostname = "db93jupyter"
  config.vm.provider :virtualbox do |vbox|
     vbox.name = "db93jupyter"
     vbox.cpus = 2
     vbox.memory = 2048
     vbox.customize ["modifyvm", :id, "--nicpromisc2","allow-all"]
  end
  config.vm.network "private_network", ip: "192.168.55.104", :netmask => "255.255.255.0"
  config.vm.network "public_network", ip:"192.168.1.104", :netmask => "255.255.255.0"
  config.vm.provision "shell", inline: <<-SHELL
apt-get -y install task-japanese
sed -i -e 's/# ja_JP.UTF-8 UTF-8/ja_JP.UTF-8 UTF-8/' /etc/locale.gen
locale-gen
update-locale LANG=ja_JP.UTF-8
localectl set-locale LANG=ja_JP.UTF-8
localectl set-keymap jp106
apt-get update
#DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade

# install anaconda
wget https://repo.continuum.io/archive/Anaconda3-5.0.1-Linux-x86_64.sh
chmod +x Anaconda3-5.0.1-Linux-x86_64.sh
./Anaconda3-5.0.1-Linux-x86_64.sh -b -p /opt/anaconda
source /opt/anaconda/bin/activate
pip install --upgrade pip

pip install psycopg2
useradd py
mkdir -p /home/py
chown -R py:py /home/py
sudo -u py bash -c "mkdir /home/py/.jupyter"
sudo -u py bash -c "cat << EOF > /home/py/.jupyter/jupyter_notebook_config.py
conf = get_config()
conf.NotebookApp.ip = '*'
conf.NotebookApp.open_browser = False
conf.NotebookApp.port = 8080
conf.NotebookApp.token = 'jupyter'
EOF"
cat << EOF > /etc/systemd/system/jupyter.service
[Unit]
Description=Jupyter notebook
[Service]
Type=simple
ExecStartPre=source /opt/anaconda/bin/activate
ExecStart=/opt/anaconda/bin/jupyter notebook
User=py
Group=py
WorkingDirectory=/home/py
Restart=always
RestartSec=10
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl enable jupyter
sudo systemctl start jupyter
echo 'access -> http://192.168.55.104:8080/?token=jupyter'
SHELL
end

〇Jupyterの画面