nginx

• nginx is a webserver, proxy and load balancer
• the most well-known nginx project is the open source version
  • also available is nginx +, and other enterprise offerings
• nginx was developed by Igor Sysoev to solve the C10K problem (concurrently handling 10,000 connections)

Install nginx on an Ubuntu16 Machine

Update software already on the server

• sudo apt-get update && sudo apt-get upgrade -y

Install nginx

1. Download the signing key

• curl -o nginx_signing.key http://nginx.org/keys/nginx_signing.key

2. Save the key in your apt-key

• sudo apt-key add nginx_signing.key

3. Update your sources list to include the latest stable version of nginx

• sudo vim /etc/apt/sources.list

4. Append these lines:

## Add official NGINX repository deb http://nginx.org/packages/ubuntu/ xenial nginx deb-src http://nginx.org/packages/ubuntu/ xenial nginx

5. Install nginx:

• sudo apt-get update && sudo apt-get install -y nginx

Start and Enable nginx

• sudo systemctl start nginx
• sudo systemctl enable nginx

Configuration

• The nginx configuration files live in /etc/nginx directory
• There are directives and contexts in the nginx.config file
  • Directives are key:value pairs separated with a space
    • Ex: user nginx;
  • Contexts are named and the values are between curly braces
    • Ex:

    events {
        worker_connections  1024;
    }
    

• Variables start with a dollar sign
  • Ex: $request
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