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Created January 4, 2023 22:41
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How to install openssl 1.1.1 on CentOS 7
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how-to-install-openssl-1.1.1-on-centos-7.md

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

Upgrade the system

yum -y update

Install required packages

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

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

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

Verify the OpenSSL version

openssl version
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