set proxy to run composer, npm, bower and git

Nodejs:
npm config set proxy http://192.168.193.23:3128
npm config set https-proxy http://192.168.193.23:3128

bower: lúc dùng bower install
set thêm trong file .bowerrc
{
"proxy":"http://192.168.193.23:3128",
"https-proxy":"http://192.168.193.23:3128"
}

git:
git config --global http.proxy 192.168.193.23:3128

Composer:
set HTTP_PROXY=http://192.168.193.23:3128
set HTTPS_PROXY=http://192.168.193.23:3128