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_usage1=`df -h / | awk '/\// {print $(NF-1)}'`
root_usage2=`df -h / | awk '/\// {print $(NF-4)}'`
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`
processes=`ps -ef | wc -l`
hostname=`hostname -f`
ipaddress=`ip addr list eth0 |grep "inet " |cut -d' ' -f6|cut -d/ -f1`

echo "System information as of: $date"
echo
printf "System load:\t%s\t\tMemory usage:\t%s\n" $load $memory_usage
printf "Usage of /:\t%s of %sB\tSwap usage:\t%s\n" $root_usage1 $root_usage2 $swap_usage
printf "Local users:\t%s\t\tProcesses:\t%s\n" $users $processes
printf "FQDN:\t\t%s\tIP eth0:\t%s\n" $hostname $ipaddress
echo