#!/bin/sh
apt-get -y purge alsa-topology-conf alsa-ucm-conf apport \
  apport-symptoms bolt byobu eatmydata command-not-found \
  eject fonts-ubuntu-console lxd-agent-loader \
  nano ntfs-3g pastebinit plymouth plymouth-theme-ubuntu-text \
  popularity-contest python3-apport os-prober \
  sound-theme-freedesktop
apt-get -y autoremove --purge
apt-get -y clean

mkdir /etc/systemd/system/motd-news.service.d
cat <<EOF>/etc/systemd/system/motd-news.service.d/override.conf
[Service]
ExecStart=/bin/true
EOF

mkdir /etc/systemd/timesyncd.conf.d
cat <<EOF>/etc/systemd/timesyncd.conf.d/ntp.conf
[Time]
NTP=pool.ntp.org
EOF

rm /home/ubuntu/.ssh/authorized_keys
find /var/log -type f | while read f; do echo -ne >$f; done
rm -rf /var/lib/cloud/* /var/tmp/* /tmp/* /tmp/.*-unix
exit 0