migration-draft

# this process currently assumes that you have performed a fresh install of Linux Mint 21.3 on a virtual machine that has all updates installed

# remove all ubuntu entries in /etc/apt/sources.c/* and change "virginia" to "faye"

# run as root

# remove all -dev+-dev:amd64 packages, stash the list somewhere, at the end install them again
dpkg -l |grep ^ii|grep -- -dev| awk '{print $2}' > /root/dev.pkgs
apt-get --purge remove `cat /root/dev.pkgs`

# install debian repo keys and debian repo
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138 0E98404D386FA1D9
cat > /etc/apt/sources.list << EOF
deb http://debian.ethz.ch/debian/ bookworm main contrib non-free non-free-firmware
deb-src http://debian.ethz.ch/debian/ bookworm main contrib non-free non-free-firmware
# enable following two lines on 10/06/2023
#deb http://security.debian.org/debian-security bookworm-security main
#deb-src http://security.debian.org/debian-security bookworm-security main
# bookworm-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
deb http://debian.ethz.ch/debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src http://debian.ethz.ch/debian/ bookworm-updates main contrib non-free non-free-firmware
EOF
# remove ubuntu hack
rm /etc/profile.d/01-locale-fix.sh

# update pkg index
apt-get update
#
#export DEBIAN_FRONTEND=noninteractive
apt-get upgrade -uy
apt-get dist-upgrade

#currently get the following error message:
The following packages have been held back:
 grub-efi-amd64-bin plymouth plymouth-label

 errors encountered: loss of internet connection, restoring from snapshot and investigating