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Django Pi Network Server Guide

Setting up our Raspberry Pi 3 Model B (and up) to serve a Django project using Apache2.

CFE Video Series

Adapted from Official Docs

Software Downloads:

SDFormatter -- to erase/format your microSD card

Etcher -- to add the operating system to your microSD card

Raspbian Jessie with Pixel A Raspberry Pi Linux/Debian Operating system. Docs

Setup the Pi

  1. Flash microSD card:

    SDFormatter

    1. Download SDFormatter for your System version.

    2. Install

    3. Insert your microSD card.

    4. Open SDFormatter

    5. Select card from list

    6. Select "Quick Format" as option.

    7. Write any name you'd like

    8. Click "Format"

  2. Download Raspbian Jessie with Pixel Zip.

    1. Once downloaded, extract/unzip downloaded contents.

    2. The file is about 1.5 GB so it might take a little while to download.

  3. Download and open Etcher

  4. Run Etcher and select the Raspbian image

  5. Select the SD card drive (or ensure it's selected)

  6. Click Burn to transfer Raspbian to microSD card. Once complete, you can safetly pull the card out (it will automatically eject/unmount the card)

  7. Insert microSD card into Raspberry Pi (gold pins facing the bottom of the Pi)

  8. Power on Raspberry Pi

Get IP Address of the Pi

  1. Turn Raspberry Pi on and ensure microSD card is inserted that contians the Raspbian Jessie Linux Operating System (above setup).

  2. Connect USB Keyboard, USB Mouse, and Monitor (through HDMI)

  3. Connect Raspberry Pi to Internet on your local network :

    • via Wifi (look for wlan0 below)
    • via Ethernet (look for eth0 below)

  4. Open up Terminal and type ifconfig. You should see the following result:

    eth0      Link encap:Ethernet  HWaddr b8:27:eb:49:e9:1d  
          inet6 addr: fe80::20f:eaff:fe91:407/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:532 errors:0 dropped:0 overruns:0 frame:0
          TX packets:532 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1 
          RX bytes:42256 (41.2 KiB)  TX bytes:42256 (41.2 KiB)

wlan0     Link encap:Ethernet  HWaddr b8:27:eb:1c:bc:48  
          inet addr:192.168.0.10  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::20f:eaff:fe91:407/64 Scope:Link
          inet6 addr: 2715:e000:3098:a900:c338:7e68:77c2:d3ce/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11842 errors:0 dropped:854 overruns:0 frame:0
          TX packets:8365 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:11994051 (11.4 MiB)  TX bytes:1072259 (1.0 MiB)

    You'll need to find this line inet addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0

    The numbers 192.168.0.10 are your IP Address (<ip>)

  5. SSH into your Pi with ssh pi@<ip>:

    Mac/Linux Users (non-Pi linux):

    1. Open Open Terminal
    2. type ssh pi@192.168.0.10
    3. Accept warning about fingerprint authenticity (if any)
    4. Default password is raspberry
    5. You're in!

    Windows Users:

    1. Download & Install PuTTY
    2. Open PuTTY
    3. type ssh pi@192.168.0.10
    4. Accept warning about fingerprint authenticity (if any)
    5. Default password is raspberry
    6. You're In!

Apache2 + Django

Update Software:

sudo apt-get update
sudo apt-get upgrade

Install Apache2:

sudo apt-get install apache2 -y

sudo apt-get install libapache2-mod-wsgi-py3

sudo apt-get install libapache2-mod-wsgi # if using Python2

Install Pip & Django:

sudo apt-get install python-setuptools python-dev build-essential

sudo easy_install pip 

sudo pip install django==X.Y.Z #where X.Y.Z is the version number

sudo pip install django==1.10.3

sudo pip install virtualenv

Start Django Project:

cd ~/

mkdir Dev && cd Dev

mkdir cfehome && cd cfehome

virtualenv -p python3 .

source bin/activate

pip install django==1.10.3

django-admin.py startproject cfehome

mv /home/pi/Dev/cfehome/cfehome /home/pi/Dev/cfehome/src

Apache2 Settings:

sudo nano /etc/apache2/sites-available/000-default.conf

Note: If errors happen with below, just do the following and it will re-install apache:

sudo apt-get purge apache2 # removes apache2

sudo apt-get install apache2 -y # reinstalls it


<VirtualHost *:80>
    ServerName www.example.com

    ServerAdmin webmaster@localhost

    Alias /static /home/pi/Dev/cfehome/static
        <Directory /home/pi/Dev/cfehome/static>
           Require all granted
         </Directory>

    <Directory /home/pi/Dev/cfehome/src/cfehome>
        <Files wsgi.py>
            Require all granted
        </Files>
    </Directory>

    WSGIDaemonProcess cfehome python-path=/home/pi/Dev/cfehome/src:/home/pi/Dev/cfehome/lib/python2.7/site-packages
    WSGIProcessGroup cfehome
    WSGIScriptAlias / /home/pi/Dev/cfehome/src/cfehome/wsgi.py


    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined

</VirtualHost>

Restart Apache:

# Restart in two ways:
sudo apachectl restart
sudo service apache2 restart


# Start Apache in two ways:
sudo apachectl start
sudo service apache2 start

# Stop Apache in two ways:
sudo apachectl stop
sudo service apache2 stop

Set Ownership of Database to Pi user for Django

sudo adduser $USER www-data
sudo chown www-data:www-data /home/$USER/Dev/cfehome    
sudo chown www-data:www-data /home/$USER/Dev/cfehome/src/db.sqlite3
sudo chmod -R 775 ~/Dev/cfehome

# if above fails, try (thanks Mike!):
sudo chown -R www-data:www-data ~/Dev/cfehome
sudo chown www-data:www-data /home/pi/Dev/cfehome/src
# or if a new project
sudo chown -R www-data:www-data ~/Dev/<your-virtuaenv-name>
sudo chown www-data:www-data /home/pi/Dev/<your-virtuaenv-name>/src/