我要评论yum update
yum install wget tar make gcc perl pcre-devel zlib-devel
wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz
tar zxvf openssl-1.1.1l.tar.gz
cd openssl-1.1.1l
./config --prefix=/usr --openssldir=/etc/ssl --libdir=lib no-shared zlib-dynamic
make
make install
export ld_library_path=/usr/local/lib:/usr/local/lib64
echo “export ld_library_path=/usr/local/lib:/usr/local/lib64” >> ~/.bashrc
openssl version
就可以看到已经升级为openssl 1.1.1了
openssl version -a
cp /etc/pki/tls/cert.pem /usr/local/openssl/
openssldir: “/etc/ssl”
enginesdir: “/usr/lib/engines-1.1”
报错信息：the ssl connection could not be established, see inner exception.
看起来是ssl的问题，查了下资料和服务器安装了 openssl 有关，直接拷贝一份证书过去，问题即可解决，执行以下linux命令即可：
cp /etc/pki/tls/cert.pem /usr/local/openssl/
然后重启你的.net core应用即可。
https://blog.csdn.net/badao_liumang_qizhi/article/details/117136503
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