echo "deb http://archive.debian.org/debian bullseye-backports main contrib non-free" > /etc/apt/sources.list.d/backports.list

keyring="$(mktemp)"
version="$(curl -L https://github.com/radxa-pkg/radxa-archive-keyring/releases/latest/download/VERSION)"
curl -L --output "$keyring" "https://github.com/radxa-pkg/radxa-archive-keyring/releases/latest/download/radxa-archive-keyring_${version}_all.deb"
dpkg -i "$keyring"
rm -f "$keyring"

echo "deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https://radxa-repo.github.io/bullseye/ bullseye main" > /etc/apt/sources.list.d/70-radxa.list

echo -e "defaults.pcm.card 2\ndefaults.ctl.card 2" > /etc/asound.conf

amixer cset name='Audio Jack Select' 'HP'


#cat -n misc
#sed -n '1,13p' misc|bash

exit

xserver-xorg-core xserver-xorg xinit x11-xserver-utils mate-core mate-desktop-environment mate-notification-daemon mate-icon-theme mate-tweak gnome-system-tools

exit

apt purge radxa-overlays-dkms
apt install --reinstall linux-image-rock-4c-plus
update-initramfs -u -k $(uname -r)