1. fdisk
2. pip
3. nfs-common
4. xorg
5. gedit
6. qtbase5-dev

created /etc/apt/apt.conf.d/95proxies and inserted

Acquire {
  HTTP::proxy "http://ubuntu-system-ip:3128";
  HTTPS::proxy "http://ubuntu-system-ip:3128";
}

Created

sudo mkdir -p /etc/pip

then

vi /etc/pip/pip.conf

and inserted

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