Steps to Install & Configure Django on Ubuntu 20.04 LTS

Django is a free & open source Python Web framework tool. It is used for Building dynamic websites and applications. Using Django,we can easily create a python web application.

Prerequisites:

  • Ubuntu system with Sudo Privileges.

There are some steps to Setup Django on Ubuntu:

Step 1: Update the System.

apt-get update

Step 2: No need to install Python on Ubuntu 20.04.So check python version.

python3 -V

  • Here is the command output.

[email protected]:/home/ubuntu# python3 -V
Python 3.8.10

  • Install pip3.

apt-get install python3-pip

  • Check pip3 version.

pip3 -V

  • Here is the command output.

[email protected]:/home/ubuntu# pip3 -V
pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.8)

Step 3: Install Django using pip3 on system.

pip3 install Django

  • Here is the command output.

[email protected]:/home/ubuntu# pip3 install Django
Collecting Django
Downloading Django-4.0.2-py3-none-any.whl (8.0 MB)
|████████████████████████████████| 8.0 MB 31.2 MB/s
Collecting asgiref<4,>=3.4.1
Downloading asgiref-3.5.0-py3-none-any.whl (22 kB)
Collecting backports.zoneinfo; python_version < "3.9"
Downloading backports.zoneinfo-0.2.1-cp38-cp38-manylinux1_x86_64.whl (74 kB)
|████████████████████████████████| 74 kB 3.2 MB/s
Collecting sqlparse>=0.2.2
Downloading sqlparse-0.4.2-py3-none-any.whl (42 kB)
|████████████████████████████████| 42 kB 1.3 MB/s
Installing collected packages: asgiref, backports.zoneinfo, sqlparse, Django
Successfully installed Django-4.0.2 asgiref-3.5.0 backports.zoneinfo-0.2.1 sqlparse-0.4.2

  • Check Django version.

django-admin --version

  • Here is the command output.

[email protected]:/home/ubuntu# django-admin --version
4.0.2

Step 4: Create a Simple Application.

  • Change the directory where we want to create a new application.

mkdir -p /var/www && cd /var/www

  • Now create a application.

django-admin startproject django_app

  • Change the directory.

cd django_app

  • To migrate the database.

python3 manage.py migrate

  • Here is the command output.

[email protected]:/home/ubuntu# mkdir -p /var/www && cd /var/www
[email protected]:/var/www# django-admin startproject django_app
[email protected]:/var/www# cd django_app
[email protected]:/var/www/django_app# python3 manage.py migrate
Operations to perform:
Apply all migrations: admin, auth, contenttypes, sessions
Running migrations:
Applying contenttypes.0001_initial... OK
Applying auth.0001_initial... OK
Applying admin.0001_initial... OK
Applying admin.0002_logentry_remove_auto_add... OK
Applying admin.0003_logentry_add_action_flag_choices... OK
Applying contenttypes.0002_remove_content_type_name... OK
Applying auth.0002_alter_permission_name_max_length... OK
Applying auth.0003_alter_user_email_max_length... OK
Applying auth.0004_alter_user_username_opts... OK
Applying auth.0005_alter_user_last_login_null... OK
Applying auth.0006_require_contenttypes_0002... OK
Applying auth.0007_alter_validators_add_error_messages... OK
Applying auth.0008_alter_user_username_max_length... OK
Applying auth.0009_alter_user_last_name_max_length... OK
Applying auth.0010_alter_group_name_max_length... OK
Applying auth.0011_update_proxy_permissions... OK
Applying auth.0012_alter_user_first_name_max_length... OK
Applying sessions.0001_initial... OK

Step 5: Create a User for Django Application.

python3 manage.py createsuperuser

  • Provide the username,email-address & password.
  • Here is the command output.

[email protected]:/var/www/django_app# python3 manage.py createsuperuser
Username (leave blank to use 'root'): admin
Email address: [email protected]
Password:
Password (again):
Superuser created successfully.

Step 6: To allow external hosts, so Open the Setting file.

vi django_app/settings.py

  • Provide the server-IP.

ALLOWED_HOSTS = ['server_IP']

For example:

ALLOWED_HOSTS = ['54.233.126.109']

  • Open the following port number in UFW firewall.

ufw allow 8000

  • Here is the command output.

[email protected]:/var/www/django_app# ufw allow 8000
Rules updated
Rules updated (v6)

  • Run the Application.

python3 manage.py runserver 0.0.0.0:8000

  • Here is the command output.

[email protected]:/var/www/django_app# python3 manage.py runserver 0.0.0.0:8000
Watching for file changes with StatReloader
Performing system checks...
System check identified no issues (0 silenced).
February 03, 2022 - 06:35:56
Django version 4.0.2, using settings 'django_app.settings'
Starting development server at http://0.0.0.0:8000/
Quit the server with CONTROL-C.
[03/Feb/2022 06:36:13] "GET / HTTP/1.1" 200 10697
[03/Feb/2022 06:36:13] "GET /static/admin/css/fonts.css HTTP/1.1" 200 423
[03/Feb/2022 06:36:15] "GET /static/admin/fonts/Roboto-Light-webfont.woff HTTP/1.1" 200 85692
[03/Feb/2022 06:36:15] "GET /static/admin/fonts/Roboto-Regular-webfont.woff HTTP/1.1" 200 85876

Step 7: Open the Django web interface using URL.

http://server-ip:8000

  • Here is the output.

  • Open the Django Administrator Page using the following URL.

http://server-ip:8000/admin

  • Here is the output.
  • Provide the Username & Password that we created.

  • Now, Django Administration Page is Ready.

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