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printf("Usage: %s kernel|udev\n", argv[0]);，更多细节参见手游
Every UniFi device (access points, switches, gateways) phones home to its controller. An HTTP POST to port 8080 every 10 seconds. This is how the controller keeps track of everything: device stats, config sync, firmware versions, client counts.
对于 Nothing 这样的「小厂」，成本上升还是带来了非常显著的影响。对比上一代加价 50 美元，起步配置却从 12GB + 256GB 缩水到 8GB +128 GB。