install mod_wsgi ubuntu

How To Install mod_wsgi on Ubuntu

mod_wsgi allows you to run python applications in Apache web server. So it can be used to run python-based websites in Apache. Here’s how to install mod_wsgi on Ubuntu / Debian systems.

 

How To Install mod_wsgi on Ubuntu

Here are the steps to install mod_wsgi on Ubuntu / Debian systems.

 

1. Install prerequisites

Open terminal and run the following commands

$ sudo apt-get update
$ sudo apt-get install apache2 apache2-utils libexpat1 ssl-cert python

Bonus Read : How to Increase Max URL length in Apache

 

2. Install mod_wsgi module in Ubuntu

Next, install mod_wsgi in Ubuntu for Apache.

$ sudo apt-get install libapache2-mod-wsgi

Bonus Read : How to Increase Max Connections in Apache

 

3. Restart Apache Server

Restart Apache server to apply changes

$ sudo systemctl restart apache2

 

4. Configure mod_wsgi for Apache

Next we will create a sample python script to run using mod_wsgi. Open terminal and run the following command to create a new python file.

$ sudo vi /var/www/html/test_script.py

 

Add the following lines to it

def application(environ,start_response):
    status = '200 OK'
    html = '\n' \
           '\n' \
           ' mod_wsgi is working\n' \
           '\n' \
           '\n'
    response_header = [('Content-type','text/html')]
    start_response(status,response_header)
    return [html]

 

Save and close the file.

 

Bonus Read : How to Configure Apache Load Balancer

 

We need to create a separate Apache configuration file to serve our python script over HTTP.

$ sudo vi /etc/apache2/conf-available/wsgi.conf

 

Add the following line to wsgi.conf file

WSGIScriptAlias /test_wsgi /var/www/html/test_script.py

 

Run the following command to enable wsgi configuration

$ sudo a2enconf mod-wsgi
$ sudo systemctl restart apache2

 

Bonus Read : Apache Reverse Proxy Configuration for Ubuntu/Debian

 

4. Test mod_wsgi configuration

You can test your mod_wsgi configuration by visiting http://your_server_ip/test_wsgi on your browser. You should see the message “mod_wsgi is working“.

 

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