CentOS 7.x升级OpenSSL版本

CentOS 7.x升级OpenSSL版本​

操作系统：CentOS 7.x​

CentOS 7.x 默认安装的OpenSSL是1.0.2k（CentOS 7.9）​

whereis openssl #查找opensll​

1. 下载高版本OpenSSL​cd /usr/local/src​
   wget --no-check-certificate https://www.openssl.org/source/openssl-1.1.1q.tar.gz​
2. 安装​cd /usr/local/src​
   mkdir /usr/local/openssl​
   tar zxvf openssl-1.1.1q.tar.gz​
   cd openssl-1.1.1q​
   ./config -fPIC shared zlib --prefix=/usr/local/openssl​
   make​
   make install​
   echo "/usr/local/lib64/" >> /etc/ld.so.conf​
   ldconfig​
3. 使用高版本替换系统默认的OpenSSL版本​mv /usr/bin/openssl /usr/bin/openssl.old​
   ln -s /usr/local/openssl/bin/openssl /usr/bin/openssl​
   ln -s /usr/local/openssl/include/openssl /usr/include/openssl​
   echo "/usr/local/openssl/lib" >> /etc/ld.so.conf​
   ldconfig –v​
5. 验证​



6. 
   
7. 遇到的问题：​

openssl 编译 *** [c_zlib.o] Error 1 错误​

缺少zlib-devel包​

yum -y install zlib-devel​