``` export PATH=$PATH:/usr/local/go/bin export GO111MODULE=on export GOPROXY=https://goproxy.cn export proxy="http://cg.gotoqq.com:10809" export httpproxy=$proxy export httpsproxy=$proxy export no_proxy="localhost,127.0.0.1,::1".

echo 'export proxy="http://cg.gotoqq.com:10809"' | tee -a /etc/profile echo 'export httpproxy=$proxy' | tee -a /etc/profile echo 'export httpsproxy=$proxy' | tee -a /etc/profile echo 'export no_proxy="localhost,127.0.0.1,::1"' | tee -a /etc/profile ```