tweaking, mark hold exim4-base

iso/installer/install.sh

@@ -286,6 +286,7 @@ EOF
   # Remove exim4
   apt-get -y purge exim4-base
   apt-get -y autoremove
+  apt-mark hold exim4-base
 }
 
 # Check for other services

update.sh

@@ -168,6 +168,7 @@ echo
 }
 
 function fuUPDATER () {
+export DEBIAN_FRONTEND=noninteractive
 local myPACKAGES="apache2-utils apparmor apt-transport-https aufs-tools bash-completion build-essential ca-certificates cgroupfs-mount cockpit cockpit-docker console-setup console-setup-linux curl debconf-utils dialog dnsutils docker.io docker-compose dstat ethtool fail2ban figlet genisoimage git glances grc haveged html2text htop iptables iw jq kbd libcrack2 libltdl7 lm-sensors man mosh multitail net-tools npm ntp openssh-server openssl pass prips software-properties-common syslinux psmisc pv python-pip toilet unattended-upgrades unzip vim wget wireless-tools wpasupplicant"
 echo "### Now upgrading packages ..."
 dpkg --configure -a
@@ -185,6 +186,8 @@ npm install "https://github.com/taskrabbit/elasticsearch-dump" -g
 pip install --upgrade pip
 hash -r
 pip install --upgrade elasticsearch-curator yq
+apt-get -y purge exim4-base
+apt-mark hold exim4-base
 echo
 
 echo "### Now replacing T-Pot related config files on host"