restart_nginx

$ sudo nginx -s stop
$ sudo nginx

step1

$ cd /usr/local/nginx/ssl

step2

$ openssl genrsa -des3 -out localhost.key 1024

step3

$ openssl req -new -key localhost.key -out localhost.csr

step4

$ cp localhost.key localhost.key.org
$ openssl rsa -in localhost.key.org -out localhost.key

step5

$ openssl x509 -req -days 365 -in localhost.csr -signkey localhost.key -out localhost.crt

step6

$ sudo vim /usr/local/conf/nginx.conf	

tmp_nginx.conf

# HTTPS server
#

server {
    listen       443;
    server_name  localhost;

    ssl                  on;
    ssl_certificate      /usr/local/nginx/ssl/localhost.crt;
    ssl_certificate_key  /usr/local/nginx/ssl/localhost.key;
    keepalive_timeout    70;
}