update coreos etcd install instruction
update coreos etcd install instruction
huanpc/IoT-1,cloudcomputinghust/IoT,cloudcomputinghust/IoT,cloudcomputinghust/IoT,cloudcomputinghust/IoT,cloudcomputinghust/IoT,huanpc/IoT-1,huanpc/IoT-1,huanpc/IoT-1,huanpc/IoT-1,cloudcomputinghust/IoT,huanpc/IoT-1