Add install_v2.sh

install_v2.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -euo pipefail
+
+# --- Update & Upgrade machine ---
+apt update
+apt upgrade -y
+
+# --- Install prerequisites ---
+apt install -y python3 python3-dev git curl gdebi-core \
+               software-properties-common dirmngr gnupg apt-transport-https \
+               libssl-dev libcurl4-openssl-dev libxml2-dev
+
+# --- Install R (from Ubuntu repos, CRAN packages available) ---
+apt install -y r-base
+
+# --- Install RStudio Server (Jammy build works on Noble) ---
+RSTUDIO_DEB="rstudio-server-latest-amd64.deb"
+curl -LO https://download2.rstudio.org/server/jammy/amd64/${RSTUDIO_DEB}
+gdebi -n ${RSTUDIO_DEB}
+rm -f ${RSTUDIO_DEB}
+
+# --- Install JupyterHub (The Littlest JupyterHub) ---
+curl -L https://tljh.jupyter.org/bootstrap.py | sudo -E python3 - --admin anon
+
+# --- Add R kernel to Jupyter ---
+R -e "install.packages('IRkernel', repos='http://cran.r-project.org')"
+R -e "IRkernel::installspec(user = FALSE)"