CentOS安装OpenSSL1.1.1

编译安装Python3.10时需要openssl1.1.1

1.查看当前版本

openssl version

2. 删除openssl1.0

yum remove openssl

3.切换目录

cd /opt

 4.下载安装包

wget https://www.openssl.org/source/openssl-1.1.1n.tar.gz --no-check-certificate

5.解压并进入目录

tar -zxf openssl-1.1.1n.tar.gz
cd openssl-1.1.1n

6.安装依赖

yum install gcc-c++
yum install -y pcre pcre-devel
yum install -y zlib zlib-devel

 7.安装perl-CPAN

1. yum install -y perl-CPAN
2. perl -MCPAN -e shell
3. cpan[1]> install IPC/Cmd.pm

 8.设置配置

./config --prefix=/usr/local/openssl

 

9.编译

make -j 2

 

10.安装

make install

 11.创建软连接

ln -sf /usr/local/openssl/bin/openssl /usr/bin/openssl

12.配置环境变量

vim /etc/ld.so.conf

 在文件末尾添加一行代码：

/usr/local/openssl/lib

13.使配置生效

ldconfig -v

14.验证，任意路径下输入命令

openssl version