README.md

ubuntu-16.04-desktop-custom-iso

This repository is for building a custom live/installation medium based the official ubuntu-16.04.5-desktop-amd64.iso. The repository consists of a set of files to add to the installation medium for the target host. The building process is handled by a set of Makefiles using uck. There are other Makefiles options to perform different customizatons selectively (see wiki)

Building the iso

• Platform: ubuntu-16.04.5-desktop-amd64
• Download: ubuntu-16.04.5-desktop-amd64.iso
• Prerequisite: uck (Ubuntu Customization Kit)
• To build

git clone https://github.com/VC-H/ubuntu-16.04-desktop-custom-iso.git custom
cd custom
make iso

A screencast

Custom features

• Preseed ($iso:/preseed/custom.seed) and preset ($initrd:/etc/casper.conf)

  • hostname: custom
  • username: customuser
  • password: custom

• Custom wallpaper (/opt/custom/share/backgrounds/custom.jpg)

• Radiance theme (/etc/dconf/db/local.d/)

• Logout to restart automatic login (/etc/lightdm/)

• Settings disabled (/etc/polkit-1/localauthority/)

  • Lock screen
  • User switching
  • User administration
  • Suspend system

• Lockdown on custom features ( /etc/dconf/db/local.d/locks/00_custom_keys)

• Removed preinstalled packages ( $remaster-root-home/Makefile)

  • libreoffice, thunderbird, ...

• Installation of additional packages from source universe ($remaster-root-home/Makefile.add)

  • python-qt4, python-qt4-dbus, ...

• Installed $remaster-root-home/custom/ as a 3rd party installaton package to /opt/

  • /opt/custom/bin/customapp.py to execute lastb as a gtk app;

• Installed /usr/share/applications/customapp.desktop to

  • execute sudo /opt/custom/bin/customapp.py

• Granted customuser sudo /opt/custom/bin/customapp.py without password;