github.com/go-sql-driver/mysql
и все завелось. user@user-UBUNTU:[~/gopath]$ go env
GOARCH="amd64"
GOBIN="/usr/local/go/bin"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/user/gopath"
GORACE=""
GOROOT="/usr/local/go"
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT="1"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"
user@user-UBUNTU:[~/gopath]$ sudo go get github.com/Philio/GoMySQL
[sudo] password for user:
package github.com/Philio/GoMySQL: cannot download, $GOPATH not set. For more details see: go help gopath