centos7下安装golang
下载
推荐从golang中文网上下载
解压
设置环境变量
echo "export PATH=$PATH:/usr/local/go/bin" >> /etc/profile
echo "export GOPROXY=https://goproxy.cn,direct" >> /etc/profile
mkdir -p /usr/local/go/gopath
echo "export GOPATH=/usr/local/go/gopath" >> /etc/profile
source /etc/profile