The Internet of Things is increasing the pressure to provide connectivity, including smart grids for electricity, water and other utility services
物联网增加了提供连接性的压力，包括智能电网、智能水网等其他公用设施。
From some other system with network connectivity to your server, you can use the nmap utility to make sure the server is listening.
在一些与您的服务器连网的其他系统中，可以使用nmap工具以确保服务器执行侦听操作。
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