Installing OpenSSL on Ubuntu 18.04 LTS

OpenSSL.sh

#!/bin/sh

sudo apt-get update && sudo apt-get upgrade
openssl version -a

#Install the necessary packages for compiling
sudo apt install build-essential checkinstall zlib1g-dev -y

#Download OpenSSL
cd /usr/local/src/
sudo wget https://www.openssl.org/source/openssl-1.1.1c.tar.gz
sudo tar -xf openssl-1.1.1c.tar.gz
cd openssl-1.1.1c

#Install OpenSSL
sudo ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib
sudo make
sudo make test
sudo make install

#Configure OpenSSL Shared Libraries
cd /etc/ld.so.conf.d/
sudo nano openssl-1.1.1c.conf
  /usr/local/ssl/lib

#Save and exit

sudo ldconfig -v

#Configure OpenSSL Binary
sudo mv /usr/bin/c_rehash /usr/bin/c_rehash.backup
sudo mv /usr/bin/openssl /usr/bin/openssl.backup

sudo nano /etc/environment
  PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/local/ssl/bin"

#Ensure to save before you exit

source /etc/environment
echo $PATH

#We can now check and verify our installation
which openssl
openssl version -a

#Use OpenSSl for Self-Signed SSL Certificate
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/my.key -out /etc/ssl/certs/my.crt

#Configure Nginx for SSL
server {

listen   443;

ssl    on;
ssl_certificate    /etc/ssl/your_domain_name.pem; (or bundle.crt)
ssl_certificate_key    /etc/ssl/your_domain_name.key;

server_name your.domain.com;
access_log /var/log/nginx/nginx.vhost.access.log;
error_log /var/log/nginx/nginx.vhost.error.log;
location / {
root   /home/www/public_html/your.domain.com/public/;
index  index.html;
}

}

sudo /etc/init.d/nginx restart