抱歉这个菜鸟问题，我搜索了它但没有找到解释。
\n我无法理解 systemctl 状态的active (exited)不同active (running)。以下是我的服务器上的 2 个示例：
$systemctl status pihole-FTL.service\n\xe2\x97\x8f pihole-FTL.service - LSB: pihole-FTL daemon\n Loaded: loaded (/etc/init.d/pihole-FTL; generated)\n Active: active (exited) since Thu 2020-12-31 12:21:34 -03; 1h 13min ago\n Docs: man:systemd-sysv-generator(8)\n Tasks: 0 (limit: 38279)\n Memory: 0B\n CGroup: /system.slice/pihole-FTL.service\n\ndez 31 12:21:34 server systemd[1]: Starting LSB: pihole-FTL daemon...\ndez 31 12:21:34 server pihole-FTL[81286]: Not running\ndez 31 12:21:34 server su[81306]: (to pihole) root on none\ndez 31 12:21:34 server su[81306]: pam_unix(su:session): session opened for user pihole …