Server Setup

Server Details

The initial development box is on a Digital Ocean Droplet with

• 512MB
• 1 Core
• 20GB SSD Disk
• 1TB Transfer

Operating System

• CentOS 7

Installed Software

• NGINX
• SOLR Search

Server Set Up

Installing Nginx

See full documentation with additional details here

• Enable EPEL Repository sudo yum install epel-release
• Install NGINX sudo yum install nginx
• Start NGINX sudo systemctl start nginx

Enable Additional Swap

This is a low-powered machine for testing, adding swap will allow for better/faster results

• Create 2GB of Swap space
  • sudo fallocate -l 2G /swapfile
• Set swapfile to root read only
  • sudo chmod 600 /swapfile
• Set up the swap space
  • sudo mkswap /swapfile
• Enable swap on boot up
  • sudo vi /etc/fstab
  • Add the following to bottom of the file /swapfile swap swap sw 0 0

Set up SSL Certificates & Configure Nginx

nginx configuration in /etc/nginx/nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
	listen 443 ssl;

        server_name  <serverName>;
	
	ssl_certificate <path to cert fullchain.pem>;
	ssl_certificate_key <path to key privkey.pem>;

        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';

        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

        location / {
        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }
    server {
        listen 80;
        server_name example.com;
        return 301 https://$host$request_uri;
    }
}

Installing SOLR

• install java
  • sudo yum install java-1.8.0-openjdk.x86_64
• create SOLR user
  • adduser solr
• get the latest version of Apache Solr by following the mirror and download the latest
  • cd /opt sudo wget http://mirrors.advancedhosters.com/apache/lucene/solr/5.4.1/solr-5.4.1.tgz
• Extract and install
  • sudo tar -zxvf solr-5.4.1.tgz