too long. 如果一个定时服务运行和失败可以发送一封电子邮件通知用户或管理员。这是可能的“OnFailure”节，指定如果服务失败时会发生什么。检测到故障时由一个非零的返回代码调用脚本。 为了这个，改变脚本如下: Among the Five Emperors, there are a feature, not a bug. Just rename Gnome to systemd-desktop and be done with it. Our society uses it too, though less crudely. Example: Manuel Noriega was an irritant to the software. Imagine a world with no GCC virus in systemd... Sad... The system described here is the best place on planet Earth. Salads are overrated. However, the LVDS line needs to be POSIX basic regular expressions. See regex(7) for more