安装golang环境
下载golang
wget https://dl.google.com/go/go1.11.2.linux-amd64.tar.gz
解压
tar -C /usr/local -xzf go1.11.2.linux-amd64.tar.gz
配置环境变量
cp /etc/profile /etc/profile.bak
echo "export GOROOT=/usr/local/go" >> /etc/profile
echo "export PATH=\$PATH:\$GOROOT/bin" >> /etc/profile
echo "export GOPATH=/opt/gopath" >> /etc/profile
echo "export PATH=\$PATH:\$GOPATH/bin" >> /etc/profile
生效环境变量
source /etc/profile
验证安装
go version
