# the outside via ./init_user_and_keybased_login.sh.
set -e
-# Adapt /etc/ to our needs by symlinking into ./linkable_etc_files. This
+# Provide maximum input for set_hostname_and_fqdn.sh.
+if [ "$#" -ne 2 ]; then
+ echo 'Need exactly two arguments (hostname, FQDN).'
+ false
+fi
+hostname="$1"
+fqdn="$2"
+
+# Adapt /etc/ to our needs by hardlinking into ./linkable_etc_files. This
# will set basic configurations affecting following steps, such as setup
# of APT and the locale selection, so needs to be right at the beginning.
-./symlink_etc.sh all server
+./hardlink_etc.sh all server
+
+# Set hostname and FQDN.
+./set_hostname_and_fqdn.sh "${hostname}" "${fqdn}"
+
+# Some debconf selections we don't want to get asked during coming
+# install actions.
+echo 'iptables-persistent iptables-persistent/autosave_v4 boolean false' | debconf-set-selections
+echo 'iptables-persistent iptables-persistent/autosave_v6 boolean false' | debconf-set-selections
# Ensure package installation state as defined by what packages are
# defined as required by Debian policy and by settings in ./apt-mark/.
# we don't need to get more data than necessary.
apt -y dist-upgrade
-# If we have not yet set the shell for user plom, ensure it here.
+# Set Berlin localtime.
+ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
+
+# If we have not yet set the shell for user plom, ensure it here. This
+# is mostly for convenience.
usermod -s /bin/bash plom