centos7.2升级openssl

备份

cp -r /usr/bin/openssl /usr/bin/openssl_backup
cp -r /usr/lib64/openssl /usr/lib64/openssl_backup

安装依赖

yum -y install gcc perl make zlib-devel perl-CPAN

cpan IPC::Cmd

全部同意 yes 或者y

安装

1.上传openssl包至目录

2.解压文件

tar -zxvf openssl-3.1.1.tar.gz

3.设置编译参数

./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib

4.安装

make -j2 && make install -j2 

5.配置动态链接

echo "/usr/local/ssl/lib64" > /etc/ld.so.conf.d/openssl.conf

ldconfig
cp /usr/local/ssl/bin/openssl /usr/bin/openssl
ldconfig -v

6.检查

openssl version