openssl升级

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