Provision Debian with preseed installation and packer

Tools needed

1. Install homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)";brew update

2. Install virtualbox

brew cask install virtualbox

3. Install packer

brew install packer

4. Install vagrant - optional

brew cask install vagrant

Build a virtual box machine

make all

In case you wanna build directly with packer

packer build packer-debian-10-virtualbox.json

In case you wanna customize the provided *-preseed.cfg

1. Do a manual installation of Debian
2. After the installation check the following files:
   1. /var/log/installer/cdebconf/templates.dat
   2. /var/log/installer/cdebconf/questions.dat
3. Install debconf-utils package
4. Get current debconf settings: debconf-get-selections --installer
5. Get current debconf settings for the installed packages: debconf-get-selections
6. More information on full preseed examples
7. Validate your preseed file debconf-set-selections -c preseed.cfg