diff --git a/lab-redes/conf-runonsave.sh b/lab-redes/conf-runonsave.sh
new file mode 100644
index 0000000..75e6182
--- /dev/null
+++ b/lab-redes/conf-runonsave.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+extensoes=(
+    emeraldwalk.runonsave
+    ms-python.debugpy
+    ms-python.python
+    ms-python.vscode-pylance        
+)
+
+for ext in "${extensoes[@]}"
+    do
+        code --install-extension "${ext}"
+    done
+
+cat <<EOF > ~/.config/Code/User/settings.json 
+{
+  "extensions.autoUpdate": false,
+  "files.autoSave": "afterDelay",
+  "files.autoSaveDelay": 1000
+}
+EOF
+
+cd /tmp && \
+curl -O https://gilito.com.pt/ci/emeraldwalk.runonsave-0.2.7.zip && \
+unzip -o emeraldwalk.runonsave-0.2.7.zip && \
+cd ~/.vscode/extensions/ && \
+rm -rf  emeraldwalk.runonsave-0.2.7 && \
+mv /tmp/emeraldwalk.runonsave-0.2.7 .