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Deploying Flask App with WSGI and Apache Server on Ubuntu

Flask app is a popular framework for developing minimal apps or often creating restful APIs. In this article I’m going to discuss about how to deploy a flask app using WSGI and Apache server over Ubuntu 20.04. This article will be helpful to those people who are deploying flask app for the first time and I have also discussed that how to find some of the errors which may occur during deployment and how to tackle them. Recently, I deployed a flask app on AWS and there I were faced some difficulties. So, main purpose of this article is to share all those difficulties which a beginner may face too. In this article I’m skipping the section about how to create a Ubuntu server on online web service like Amazon Web Service etc. but I’ll suggest first to google it by following the keywords “How to create a Ubuntu server on AWS” or “How to launch and AWS EC2 server and set up ubuntu on it”. Once when you’ll have a Ubuntu server follow this article to deploy your app. Here are some further int...
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Apache Reverse Proxy Configuration For Ubuntu/Debian Linux

  Apache Reverse Proxy allows you to run one or more backend servers behind a proxy server, without exposing them publicly. It also helps with load balancing. Here’s Apache Reverse Proxy Configuration for Ubuntu/Debian Linux. Apache Reverse Proxy Configuration Step By Step Here’s a step by step Apache Reverse Proxy Configuration for Ubuntu/Debian Linux systems. 1. Install Required Apache modules We require 4 Apache modules to configure Apache reverse proxy –  mod_proxy ,  mod_proxy_http ,  mod_proxy_balancer ,  mod_lbmethod_byrequests mod_proxy  is the main proxy module that redirects requests and allows Apache to act as gateway to backend servers mod_proxy_http  allows support for proxying HTTP requests mod_proxy_balancer  and  mod_lbmethod_byrequests  add load balancing capabilities to Apache web server. Open terminal and run the following commands to install pre-requisite Apache modules. $ sudo a2enmod proxy $ sudo a2enmod proxy_http ...
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How to fix the below error and enable HTTP/2 in Amazon EC2 Instance

#Enable_HTTP/2 #Amazon #EC2 #Apache Error Message: "The mpm module (prefork.c) is not supported by mod_http2. The mpm determines how things are processed in your server. HTTP/2 has more demands in this regard and the currently selected mpm will just not do. This is an advisory warning. Your server will continue to work, but the HTTP/2 protocol will be inactive." Important: Take a backup of your conf files and folders before trying any the below commands. **** Your website should already be configured to run on https, else HTTP/2 will not work ***** Run the below command: httpd -V | grep MPM Output will be: Server MPM: prefork We are going to change this and start using event Step 1: httpd -v Ensure your httpd version is greater than or equal to 2.4.37 Server version: Apache/2.4.37 (Amazon) Step 2: Modify the 00_mpm.conf cd /etc/httpd/conf.modules.d vi 00-mpm.conf Uncomment the following line: LoadModule mpm_event_module modules/m...
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Amazon ec2 LAMP and FTP installation and setup

Amazon ec2 LAMP and FTP installation and setup Tutorial: Installing a LAMP Web Server on Amazon Linux Go through this amazon link http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-LAMP.html Associate and Elastic IP address to your EC2 instance. This is so you have the same EIP if you restart your EC2 server. Click the following link to Elastic IP in your management console. Click "Allocate new Address" button. Click the Action button and assign the new created EIP to you instance ID i-50d663a6. http://docs.aws.amazon.com/AmazonVPC/latest/GettingStartedGuide/getting-started-assign-eip.html FTP Setup in Amazon EC2 instance Step #1: Install vsftpd SSH to your EC2 server. Type: sudo yum install vsftpd Step #2: Open up the FTP ports on your EC2 instance Next, you'll need to open up the FTP ports on your EC2 server. Log in to the AWS EC2 Management Console and select Security Groups from the navigation tree on the left. Select the security group assig...
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