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jupyter_gptossVENV.pbs

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+#!/bin/bash
+#PBS -N khalil_Jpytr_noDelete
+#PBS -l select=1:ncpus=20:mem=180gb:ngpus=1
+#PBS -l walltime=24:00:00
+#PBS -q gpu_1d
+#PBS -o logs/NIDS_output.log
+#PBS -e logs/NIDS_error.err
+
+set -euo pipefail
+mkdir -p logs
+
+# ---- Load & init conda ----
+module load /app/common/modules/anaconda3-2024.10
+eval "$("$(command -v conda)" shell.bash hook)"
+source activate  sbert_khalil 
+# ---- Diagnostics to stdout ----
+echo "user: $(whoami)"
+echo "node: $(hostname -s)"
+which python || true
+python -V || true
+which jupyter || true
+jupyter --version || true
+
+# ---- Safer runtime dirs ----
+export JUPYTER_RUNTIME_DIR="${PBS_O_WORKDIR}/.jupyter_runtime"
+export JUPYTER_CONFIG_DIR="${PBS_O_WORKDIR}/.jupyter_config"
+mkdir -p "$JUPYTER_RUNTIME_DIR" "$JUPYTER_CONFIG_DIR"
+
+# ---- Port setup ----
+port="${PORT:-8883}"
+if ss -ltn 2>/dev/null | grep -q ":$port "; then
+    port=$(( (RANDOM % 1000) + 8000 ))
+fi
+
+node="$(hostname -s)"
+user="$(whoami)"
+login_host="172.30.30.11"
+
+cat <<EOF
+================ JUPYTER NOTEBOOK INFO ================
+Compute node     : ${node}
+Chosen port      : ${port}
+Authentication   : DISABLED (no token needed)
+
+Tunnel option A (simple):
+  ssh -N -L ${port}:${node}:${port} ${user}@${login_host}
+
+Tunnel option B (robust via ProxyJump):
+  ssh -N -J ${user}@${login_host} -L ${port}:localhost:${port} ${user}@${node}
+
+Open in browser:
+  http://localhost:${port}
+
+WARNING: No authentication - ensure your SSH tunnel is secure!
+========================================================
+EOF
+
+# ---- Launch Jupyter Notebook ----
+if python -c "import notebook" 2>/dev/null; then
+    echo "Launching Jupyter Notebook..."
+    exec python -m notebook \
+        --no-browser \
+        --ip=0.0.0.0 \
+        --port="${port}" \
+        --NotebookApp.token='' \
+        --NotebookApp.password='' \
+        --NotebookApp.disable_check_xsrf=True \
+        --MappingKernelManager.cull_idle_timeout=0
+else
+    echo "ERROR: Jupyter notebook not found in environment!"
+    echo "Try: conda install jupyter notebook"
+    exit 1
+fi