#!/bin/sh set -e #DEBHELPER# case "$1" in install) # Create/configure system user # /usr/bin/getent passwd ec2-instance-connect || /usr/sbin/useradd -r -M -s /sbin/nologin ec2-instance-connect getent passwd ec2-instance-connect || adduser --system --disabled-login --shell /usr/sbin/nologin --no-create-home --home /nonexistent --quiet ec2-instance-connect echo "Created system user ec2-instance-connect" ;; esac