CentOS7升级openssl

openssl version

# 下载
wget  https://www.openssl.org/source/openssl-3.0.13.tar.gz --no-check-certificate -P  /usr/src

# 安装需要用到perl,没有的话自行安装

# 解压
tar -zxvf openssl-3.0.13.tar.gz

cd openssl-3.0.13/

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

# 如果运行config时提示 Can't locate IPC/Cmd.pm in @INC，请安装IPC/Cmd.pm模块,安装之后重新运行config
yum -y install perl-IPC-Cmd

make && make install

# 备份并替换老版本的openssl
which openssl  # 查看老版本位置 /bin/openssl
mv /bin/openssl  /bin/openssl.bak
ln -s /usr/local/openssl/bin/openssl   /bin/openssl
echo "/usr/local/openssl/lib64" >> /etc/ld.so.conf
# 动态链接库
ldconfig -v
# 查看openssl
openssl version