1,下载go安装包
wget https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz
2，解压 sudo tar -C /usr/local -xzf go1.8.3.linux-amd64.tar.gz

3，配置环境变量
vim /etc/profile
添加：

export PATH=$PATH:/usr/local/go/bin

export GOROOT=/usr/local/go

export GOPATH=/opt/go

export PATH=$PATH:/opt/go/bin

保存，:x
source /etc/profile

4，检查

go version