下载certbot-auto

wget https://dl.eff.org/certbot-auto
chmod a+x ./certbot-auto

单域名证书申请

新建nginx 配置

server {
    listen 80;
    server_name cloud.jiaxuan.site;
    charset utf-8;
    
    root /opt/www/cloud.jiaxuan.site;
    index index.html index.htm;
    
    access_log  /var/log/nginx/cloud.jiaxuan.site_access.log;
    error_log  /var/log/nginx/cloud.jiaxuan.site_error.log;
}

申请单域名证书

./certbot-auto certonly --email 1358925129@qq.com --domains cloud.jiaxuan.site