wsl install/wsl uninstall/wsl proxy

1.. wsl install
Rename Ubuntu.1604.2017.711.0_v1.appx to Ubuntu.1604.2017.711.0_v1.zip and extract all in to a folder.
Run Ubuntu.exe inside the extracted folder as Administrator.

2.. wsl uninstall
you can see the list of installed distros:
wslconfig /l
delete distro for the list
wslconfig /u ubuntu

3... wsl proxy
Ubuntu:
/etc/apt/apt.conf
Acquire::http::Proxy "http://proxy01.bizerba.com:8080";
Acquire::https::Proxy "https://proxy01.bizerba.com:8080";

Debian:
/etc/apt/apt.conf
Acquire::http::Proxy "http://proxy01.bizerba.com:8080";
Acquire::https::Proxy "https://proxy01.bizerba.com:8080";