License Headers

Always add a COPYING in the documentation directory of your package, containing the full GPLv3 license.

Change the Copyright line according to your needs.

PHP, Javascript, CSS

/*
 * Copyright (C) 2017 Nethesis S.r.l.
 * http://www.nethesis.it - nethserver@nethesis.it
 *
 * This script is part of NethServer.
 *
 * NethServer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License,
 * or any later version.
 *
 * NethServer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with NethServer.  If not, see COPYING.
 */

Perl, Python and BASH

#
# Copyright (C) 2017 Nethesis S.r.l.
# http://www.nethesis.it - nethserver@nethesis.it
#
# This script is part of NethServer.
#
# NethServer is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License,
# or any later version.
#
# NethServer is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with NethServer.  If not, see COPYING.
#