如果这个实例没有运行，输入下列的命令进行启动。
If the instance is not running, start it by typing the command that is listed below.
运行以下命令检查守护进程是否已经启动。
Run the following command to check if the daemons are started or not.
如果服务器启动并运行，命令会返回一条消息，说明服务器已启动。
If the server is up and running the command returns a message saying that the server is started.
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