到官方https://golang.org/dl/

或者 https://www.golangtc.com/download 下载安装包

wget https://www.golangtc.com/static/go/1.9/go1.9.linux-amd64.tar.gz
tar zxvf go1.9.linux-amd64.tar.gz -C /usr/local

新建GOPATH目录

mkdir -p /www/golang
vim /etc/profile
export GOROOT=/usr/local/go
export GOBIN=$GOROOT/bin
export PATH=$PATH:$GOBIN
export GOPATH=/www/golang

:wq保存 使其生效

source /etc/profile

查看是否配置成功

go version
go version go1.9 linux/amd64

简单测试：

cd /www/golang
vim hello.go
package main
import "fmt"
func main() {
    fmt.Println("Hello, world")
}
:wq
go run hello.go
Hello, world