升级https证书

参考帖子 https://www.cnblogs.com/lzpong/p/6433189.html

cat /etc/nginx/config/*.conf里有具体的证书存放路径

cd ~ //到家目录里

wget https://dl.eff.org/certbot-auto　//下载角本

chmod a+x certbot-auto　//加权限

service nginx stop　或者　systemctl stop nginx　或者　pkill -9 nginx　//停止nginx

./certbot-auto renew --force-renew  //签名证书

service nginx start　或者　systemctl start nginx　//启动nginx

netstart -tpln