installvnstat

#!/bin/sh
# This script is part of nixCraft shell script collection (NSSC), visit http://bash.cyberciti.biz/ for more information.
# @title installvnstat
# ------------------------------------------------------------------------------------------
# @author Myles McNamara
# @date 05/20/2013
# @version 1.11
# @source http://gh.smyl.es/scripts/installvnstat
# @description A Shell Script To Build vnstat software which is act as a console-based network traffic monitor without using 3rd party repo.
# ------------------------------------------------------------------------------------------
# @usage ./installvnstat
# ------------------------------------------------------------------------------------------
# @copyright Copyright (C) 2008 nixCraft project <http://cyberciti.biz/fb/>
# @copyright Copyright (C) 2013  Myles McNamara
# 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 3 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, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------------------
VERSION="-1.11"
URL="http://humdi.net/vnstat/vnstat${VERSION}.tar.gz"
FILE="${URL##*/}"
DLHOME="/opt"
SOFTWARE="vnstat"
DEST="${FILE%.tar.gz}"
ETH="eth0"

[[ "$2" != "" ]] && ETH="$2"

[[ `id -u` -ne 0 ]] && { echo "$0: You must be root user to run this script. Run it as 'sudo $0'"; exit 1; }

case "$1" in
download)
wget $URL -O "${DLHOME}/$FILE"
;;
build)
echo "Building ${SOFTWARE}...."
[[ ! -f "${DLHOME}/$FILE" ]] && wget $URL -O "${DLHOME}/$FILE"
cd "${DLHOME}"
tar -zxvf $FILE
cd "$DEST"
make
make install
[[ ! -f /etc/cron.d/vnstat.cron ]] && /bin/cp -f example/vnstat.cron /etc/cron.d/vnstat
for i in $ETH
do
/usr/bin/vnstat -u -i "$i"
done
;;
*) echo "Usage: $0 {download|build} [eth0|eth1|eth2|ppp0]"
esac