Yet Another ifconfig inspired by http://ifconfig.me, the online demo is https://ip.envs.net.
wget -O /opt/ https://dl.google.com/go/go1.13.linux-amd64.tar.gz
tar -C /usr/local -xzf /opt/go1.13.linux-amd64.tar.gz
git clone https://github.com/envs-net/ifconfig.git
go get github.com/envs.net/ifconfig
go build main.go