post_install() {
cat <<EOF
  >> To make gringotts work, the soft- and hard-memory limits need to be raised. Please read '/usr/share/doc/gringotts/README' for detailed information.
EOF
}

post_upgrade() {
  post_install $1
}

post_remove() {
cat <<EOF
  >> Check your '/etc/security/limits.conf' file for any changes made for the gringotts package. If you will not use this software in the future, those changes can be deleted.
EOF
}