wget --no-check-certificate https://www.openssl.org/source/openssl-1.0.2j.tar.gz
tar zxvf openssl-1.0.2j.tar.gz
cd openssl-1.0.2j
./config shared zlib
make && make install
mv /usr/bin/openssl /usr/bin/openssl.old
mv /usr/include/openssl /usr/include/openssl.old
ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl
ln -s /usr/local/ssl/include/openssl /usr/include/openssl
echo "/usr/local/ssl/lib" >> /etc/ld.so.conf
ldconfig -v
查看openssl版本
openssl version
更新openssl
原文：http://blog.51cto.com/10643230/2086113
