2019独角兽企业重金招聘Python工程师标准>>> 
报错
dns_sd.DNSServiceRegister(self.serviceRef, flags, ifaceIdx, name,
^
Error: dns service error: unknown
at Error (native)
at new Advertisement (/usr/local/lib/node_modules/homebridge/node_modules/ha p-nodejs/node_modules/mdns/lib/advertisement.js:56:10)
at Object.create [as createAdvertisement](/usr/local/lib/node_modules/homeb ridge/node_modules/hap-nodejs/node_modules/mdns/lib/advertisement.js:64:10)
at Advertiser.startAdvertising (/usr/local/lib/node_modules/homebridge/node_ modules/hap-nodejs/lib/Advertiser.js:43:30)
at Bridge.Accessory._onListening (/usr/local/lib/node_modules/homebridge/nod e_modules/hap-nodejs/lib/Accessory.js:509:20)
at emitNone (events.js:67:13)
at HAPServer.emit (events.js:166:7)
at HAPServer._onListening (/usr/local/lib/node_modules/homebridge/node_modul es/hap-nodejs/lib/HAPServer.js:182:8)
at emitNone (events.js:67:13)
at EventedHTTPServer.emit (events.js:166:7)
解决方法：
apt-get install avahi-daemon avahi-discover libnss-mdns libavahi-compat-libdnssd-dev
安装Avahi
sudo apt-get install libavahi-compat-libdnssd-dev
sudo npm install -g --unsafe-perm homebridge hap-nodejs node-gyp