linux 安装golang环境

wget https://dl.google.com/go/go1.13.5.linux-amd64.tar.gz   # 下载
tar -xzvf go1.13.5.linux-amd64.tar.gz -C /usr/local/   # 解压

vim /etc/profile   # 编辑环境变量
export PATH=$PATH:/usr/local/go/bin
export GOROOT=/usr/local/go
export GOPATH=/root/01-yu/01-gopath
export PATH=$PATH:/root/01-yu/01-gopath/bin

source /etc/profile  # 环境变量生效

go version   # 看go是否安装成功