cat /etc/apt/sources.list
DEBIAN_FRONTEND=noninteractive apt-get update
-DEBIAN_FRONTEND=noninteractive do-release-upgrade -f DistUpgradeViewNonInteractive
DEBIAN_FRONTEND=noninteractive apt-get --purge remove plymouth-theme* plymouth
DEBIAN_FRONTEND=noninteractive apt-get autoremove
DEBIAN_FRONTEND=noninteractive apt-get apt-get -y -u dist-upgrade
iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev pylint3 \
xterm python3-subunit mesa-common-dev zstd liblz4-tool
+
+# let the upgrade run anyway
+rm -rf /var/run/reboot-requir*
+
+DEBIAN_FRONTEND=noninteractive do-release-upgrade -f DistUpgradeViewNonInteractive
+
DEBIAN_FRONTEND=noninteractive apt-get clean
#DEBIAN_FRONTEND=noninteractive apt-get -y install linux-image-4.15.0-123-generic
DEBIAN_FRONTEND=noninteractive apt full-upgrade