先到https://www.sslforfree.com/申請免費憑證
選擇DNS驗證
a2enmod rewrite
Options -Indexes
#rewrite
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{SERVER_NAME}/$1 [R,L]
chmod 755 .htaccess
sudo apt-get install vsftpd
netstat -tul | grep ftp
OR
service vsftpd status
sudo apt-get install mariadb-server