4 # Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
5 # Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
7 # Chancellor Masters and Scholars of the University of Cambridge
8 # Copyright 2010 Tony Finch <fanf@dotat.at>
10 # This is free software; you can redistribute it and/or modify it
11 # under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 3 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful, but
16 # WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 # General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with userv-utils; if not, see http://www.gnu.org/licenses/.
25 user="$(sed -n '/^[a-z]/{p;q;}' /etc/userv/dyndns-service-users)"
28 adduser --system --force-badname --quiet --group \
29 --gecos 'userv dyndns' \
30 --home /etc/userv --no-create-home --shell /bin/false $user