/usr/sbin/update-motd is in update-motd 3.6-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | #!/bin/sh
#
# update-motd - update the dynamic MOTD immediately
#
# Copyright (C) 2008-2014 Dustin Kirkland <dustin.kirkland@gmail.com>
#
# Authors: Dustin Kirkland <dustin.kirkland@gmail.com>
#
# This program 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, version 3 of the License.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
set -e
if ! touch /var/run/motd.new 2>/dev/null; then
echo "ERROR: Permission denied, try:" 1>&2
echo " sudo $0" 1>&2
exit 1
fi
if run-parts --lsbsysinit /etc/update-motd.d > /var/run/motd.new; then
if mv -f /var/run/motd.new /var/run/motd; then
cat /var/run/motd
exit 0
else
echo "ERROR: could not install new MOTD" 1>&2
exit 1
fi
fi
echo "ERROR: could not generate new MOTD" 1>&2
exit 2
|