1.下载
wget https://www.openssl.org/source/openssl-1.0.2h.tar.gz
2.解压
tar zxf openssl-1.0.2h.tar.gz
cd openssl-1.0.2h
3.安装
./config shared zlib
make
make install
4.最后执行以下命令
mv /usr/bin/openssl /usr/bin/openssl.bak
mv /usr/include/openssl /usr/include/openssl.bak
ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl
ln -s /usr/local/ssl/include/openssl /usr/include/openssl
5.检测安装是否成功
openssl version -a