摘要：
先运行：sudo ufw enable 输出：Command may disrupt existing ssh connections. Proceed with operation (y|n)?y Firewall is active and enabled on system startup 再 阅读全文
摘要：
问题： ● nginx.service - nginx - high performance web server Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled) Active: 阅读全文