这里有一个它如何运作的例子：一个服务的展现包括了一堆“控制器”uri；对其中某个的POST操作组成了对某一事件的请求，比如重启服务器。

Here's an example of how it works: the representation of a server includes a bunch of "controller" URIs; a POST to one of these constitutes a request to do something, say reboot the server.

youdao

重启每个LVS控制器以确保heartbeat服务在引导阶段正常启动。

Restart each of the LVS directors to ensure the heartbeat service starts properly at boot.

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