DigitalOcean(CentOS)にGoインストール

$ cd /usr/local/src/
$ sudo wget https://storage.googleapis.com/golang/go1.3.1.linux-amd64.tar.gz
$ sudo tar -xzf go1.3.1.linux-amd64.tar.gz 
$ sudo mv go /usr/local/ 
$ vim ~/.bashrc 
export PATH=$PATH:/usr/local/go/bin 

$ source ~/.bashrc
$ go version
go version go1.3.1 linux/amd64

$ cd 
$ mkdir go
$ cd go
$ vim hello.go
package main
import "fmt"
func main() {
    fmt.Printf("hello world\n")
}
$ go run hello.go
hello world
$ exit