# yum info openssl
# openssl version
https://www.openssl.org/source/
Open SSL 1.1.1.k 버전 tar 압축 파일 다운로드하여 ftp 프로그램 이용하여 OS 보안 패치할 서버 /tmp 경로에 복사
# cd /tmp
# mkdir os_patche
# mv openssl-1.1.1k.tar.gz /tmp/os_patche
# cd /tmp/os_patche
# tar -xvf openssl-1.1.1k.tar.gz
# cd /openssl-1.1.1k
# ls
# ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared
* 명령어 실행 시 You need Perl 5. 메시지 발생 시 아래 명령어 실행
# yum install perl -y
# ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared
# make && make install
# mv /usr/bin/openssl /usr/bin/openssl-1.0.2k
# ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl
# echo '/usr/local/ssl/lib' > /etc/ld.so.conf.d/openssl-1.1.1k.conf
# ldconfig -v
# echo 'OPENSSL_PATH= "/usr/local/ssl/bin"' > /etc/profile.d/openssl.sh
# echo 'export OPENSSL_PATH' >> /etc/profile.d/openssl.sh
# echo 'PATH=$PATH:$OPENSSL_PATH' >> /etc/profile.d/openssl.sh
# echo 'export PATH' >> /etc/profile.d/openssl.sh
# chmod +x /etc/profile.d/openssl.sh
# source /etc/profile.d/openssl.sh
# openssl version
# echo $PATH
# which openssl
# openssl version -a
참고 링크
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