$ sudo pip install -r requirements.txt
```
-3. Serve locally (default rendered at [127.0.0.1:8000/](127.0.0.1:8000/)):
+3. If pip is not already installed then install it
+ ```sh
+ $ sudo apt-install python3-pip
+ ```
+
+
+4. Serve locally (default rendered at [127.0.0.1:8000/](127.0.0.1:8000/)):
```sh
$ sudo mkdocs serve