#!/bin/sh -eux arch="$(uname -r | sed 's/^.*[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\(-[0-9]\{1,2\}\)-//')" debian_version="$(lsb_release -r | awk '{print $2}')" major_version="$(echo $debian_version | awk -F. '{print $1}')" # Disable systemd apt timers/services systemctl stop apt-daily.timer systemctl stop apt-daily-upgrade.timer systemctl disable apt-daily.timer systemctl disable apt-daily-upgrade.timer systemctl mask apt-daily.service systemctl mask apt-daily-upgrade.service systemctl daemon-reload ## leave update and upgrade to the build_sdcard.sh #apt-get update #apt-get -y upgrade linux-image-$arch #apt-get -y install linux-headers-$(uname -r)