openssl & nginx install

1.  http://jianiau.blogspot.com/2015/07/openssl-config-req.html

2. https://blog.miniasp.com/post/2019/02/25/Creating-Self-signed-Certificate-using-OpenSSL


3. https://blog.cssuen.tw/create-a-self-signed-certificate-using-openssl-240c7b0579d3

4. https://blog.niclin.tw/2019/08/16/creating-self-signed-certificate-using-openssl/