–Instalar Mosquitto Broker MQTT
# sudo su
# apt-get install mosquitto

–Instalar Python 2.7
# sudo apt-get update
# sudo apt-get install python-picamera

–Desinstalar Python 2.7
# sudo apt-get remove python-picamera

–Eliminar completamente Python 2.7
# sudo apt-get purge python-picamera

–Instalar Python 3
# sudo apt-get update
# sudo apt-get install python3-picamera

–Desinstalar Python 3
# sudo apt-get remove python3-picamera

–Eliminar completamente Python 3
# sudo apt-get purge python3-picamer

–Clonar pip mqtt para python 2.7 (ubicarse en la carpeta donde se desea descargar)
# git clone https://github.com/eclipse/paho.mqtt.python.git
# ls
# cd paho.mqtt.python
# ls

–Instalar pip python
# sudo apt-get install python-pip

–Instalar pip (opcion 1)
# python setup.py install

–Instalar pip (opcion 2)
# make
# sudo make instal