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Installing OpenSSL

  1. (Optional) It is recommended to update the system with the latest security patch

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For RHEL
# yum update For Ubuntu:
# apt-get update
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If you are using existing or pre-installed openssl then skip steps 2,3, 4, and 5.

  1. Install dependent packages for openssl

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For RHEL
# yum install make gcc perl pcre-devel zlib-devel For Ubuntu
# apt install build-essential checkinstall zlib1g-dev libtemplate-perl

  1. Download the latest version of openssl on Linux machine from https://www.openssl.org

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# wget https://www.openssl.org/source/openssl-1.1.1q.tar.gz

  1. Extract the downloaded file

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# tar xvf openssl-1.1.1q.tar.gz

  1. Go to openssl directory and run the following commands to build and install openssl

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# cd openssl-1.1.1q
# ./config --prefix=/usr/local/openssl # make
# make test
# make install
# export LD_LIBRARY_PATH=/usr/local/openssl/lib:$LD_LIBRARY_PATH # export PATH=/usr/local/openssl/bin:$PATH
# openssl version -a
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Figure 1: OpenSSL version output

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After rebooting the server, export the library path every time.

# export LD_LIBRARY_PATH=/usr/local/openssl/lib:$LD_LIBRARY_PATH # export PATH=/usr/local/openssl/bin:$PATH