/etc/update-motd.d/10-sysinfo
#!/bin/bash # # 10-sysinfo - generate the system information # Copyright (c) 2013 Nick Charlton # # Authors: Nick Charlton <[email protected]> # # 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; either version 2 of the License, or # (at your option) any later version. # # 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, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. date=`date` load=`cat /proc/loadavg | awk '{print $1}'` root_usage=`df -h / | awk '/\// {print $(NF-1)}'` memory_usage=`free -m | awk '/Mem/ { printf("%3.1f%%", $3/$2*100) }'` swap_usage=`free -m | awk '/Swap/ { printf("%3.1f%%", $3/$2*100) }'` users=`users | wc -w` echo "System information as of: $date" echo printf "System load:\t%s\tMemory usage:\t%s\n" $load $memory_usage printf "Usage on /:\t%s\tSwap usage:\t%s\n" $root_usage $swap_usage printf "Local users:\t%s\n" $users echo