Update jupyterhub_installation.sh

#!/bin/bash

sed -i 's/archive.ubuntu.com/mirror.kakao.com/g' /etc/apt/sources.list && apt update

apt install nodejs npm  -y

npm install -g configurable-http-proxy

pip install --upgrade --force-reinstall --no-cache-dir jupyter

pip uninstall notebook -y

pip install --upgrade notebook jupyter jupyterlab jupyterhub