1.下载编译包
wget https://www.openssl.org/source/openssl-1.1.1o.tar.gz --no-check-certificate
tar xf openssl-1.1.1o.tar.gz
2.编译安装
cd openssl-1.1.1o/
./config
make && make install
3.备份
mv /usr/bin/openssl /usr/bin/openssl.bak
mv /usr/include/openssl /usr/include/openssl.bak
4.替换旧版ssl
ln -s /usr/local/bin/openssl /usr/bin/openssl
ln -s /usr/local/include/openssl/ /usr/include/openssl
5.生效
echo "/usr/local/lib64" >> /etc/ld.so.conf
ldconfig -v
6.检查
openssl version