linux 源码安装go，环境配置

1. 下载源码

wget

2. 环境配置

vim .bashrc

# go
export GOROOT=/opt/go
export GOPATH=$HOME/go
export GOBIN=$GOPATH/bin
export PATH=$GOPATH:$GOBIN:$GOROOT/bin:$PATH

3. 验证

go version

4. 设置goproxy代理

go env -w GOPROXY=https://goproxy.cn,direct

5. 查看

go env