Владимир

cd /home/car/projects/
export GOARCH=amd64
export GOROOT=/usr/local/go
export GOPATH=`pwd`
mkdir src
mv pack1 ./src/
cd src/pack1
go install

...
func Hello(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
    fmt.Fprintf(w, "hello, %s!\nFam, %s!\n", ps.ByName("name"),  ps.ByName("fam"))
}
...