How To Install OpenSSL 1.1.1 on CentOS 7

This tutorial goes through how to install OpenSSL 1.1.1 on CentOS 7, since the yum repo only installs up to OpenSSL 1.0.

Requirements:- 

1) Upgrade the system
2) Download OpenSSL required package.
3) Install and Run OenSSL
4) Check Version

Step 1) Install required packages

$ sudo yum -y update
$ yum install -y make gcc perl-core pcre-devel wget zlib-devel

Download the latest version of OpenSSL source code

$ wget https://ftp.openssl.org/source/openssl-1.1.1k.tar.gz

Configure, build and install OpenSSL, Uncompress the source file

$ tar -xzvf openssl-1.1.1k.tar.gz

Step 2) Change to the OpenSSL directory

$ cd openssl-1.1.1k

Configure the package for compilation

$  ./config --prefix=/usr --openssldir=/etc/ssl --libdir=lib no-shared zlib-dynamic

Compile package

$ make

Test compiled package

$ make test

Install compiled package

$ make install

Step 3) Export library path, Create environment variable file

$ vim /etc/profile.d/openssl.sh

Add the following content

export LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64

Load the environment variable

$ source /etc/profile.d/openssl.sh

Step 4) Verify the OpenSSL version

$ openssl version