啟動服務：systemctl start xxx.service 關閉服務：systemctl stop xxx.service 重啟服務：systemctl restart xxx.service 顯示服務的狀態：systemctl status xxx.service 在開機時啟用服務：systemctl enable xxx.service 在開機時禁用服務：systemctl disable xxx.service 檢視服務是否開機啟動：systemctl is-enabled xxx.service 檢視已啟動的服務列表：systemctl list-unit-files|grep enabled 檢視啟動失敗服務列表：systemctl --failed