====== Additionally installed software on original live stick ======

  - fdisk
  - pip
  - nfs-common
  - xorg
  - gedit
  - qtbase5-dev

created /etc/apt/apt.conf.d/95proxies and inserted
<code>
Acquire {
  HTTP::proxy "http://ubuntu-system-ip:3128";
  HTTPS::proxy "http://ubuntu-system-ip:3128";
}
</code>

Created

<code>sudo mkdir -p /etc/pip</code>

then 

<code>vi /etc/pip/pip.conf</code>
  
and inserted

<code>
[global]
proxy = http://ubuntu-system-ip:3128
</code>