I am trying to setup a go dev environment on Ubuntu, and having no luck. Following directions here https://github.com/golang/go/wiki/Ubuntu 

sudo apt-get install golang

Then I 

mkdir $HOME/golang
export GOPATH=$HOME/golang

go version
go: cannot find GOROOT directory: /usr/local/opt/go/libexec

GOROOT
GOARCH="amd64"
GOBIN=""
GOCHAR="6"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/isaac/golang"
GORACE=""
GOROOT="/usr/local/opt/go/libexec"
GOTOOLDIR="/usr/local/opt/go/libexec/pkg/tool/linux_amd64"
TERM="dumb"
CC="gcc"
GOGCCFLAGS="-g -O2 -fPIC -m64 -pthread"
CXX="g++"
CGO_ENABLED="1"