Linux or Mac install protobuf compiler download
When you installed, Like this
~/code/golang/src/go-protobuf-demo on ⭠ master ⌚ 22:12:20
$ protoc --version
libprotoc 2.6.1
Download the go-protobuf client url
go get -u github.com/golang/protobuf/{proto,protoc-gen-go}
protoc --go_out=./pb-go ./pb-proto