File debian.postinst of Package phreebird
#!/bin/sh CONFDIR=/etc/phreebird getent group named >/dev/null || groupadd -r named getent passwd named >/dev/null || useradd -r -g named -d "$CONFDIR" -s /sbin/nologin -c "User for phreebird" named chmod 0700 "$CONFDIR" chown -R named:named "$CONFDIR" /var/log/phreebird