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#!/bin/sh
# Copyright (C) 1998 Daniel Podlejski <underley@zakopane.top.pl>
# 1999 Piotr Roszatycki <dexter@debian.org>
#
# 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 2 dated June, 1991.
#
# 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., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
help () {
cat << EOT
systune 0.5 - Kernel tuning utility
Usage: $0 [-c|--config <configfile>]
Parameters:
-c|--config <configfile> - alternative config file,
default is /etc/systune.conf
-h|--help - this help text
-v|--verbose - verbose mode
EOT
}
CONF=/etc/systune.conf
while [ "$#" -gt 0 ]; do
case "$1" in
--config|-c)
CONF=$2
shift
shift
;;
--help|-h)
help
exit 0
;;
--verbose|-v)
VERBOSE="yes"
shift
;;
esac
done
if [ -f $CONF ]; then
# '\n' is an only separator
IFS="$(echo)"
cat $CONF | sed 's/[ ]*#.*$//' | while read sysctl; do
#space+tab
if [ "${sysctl#/proc/sys/}" != "$sysctl" ]; then
sysctlname=$(echo $sysctl | cut -d: -f1)
sysctlcontent=$(echo $sysctl | cut -d\: -f2-)
# don't check if file exists when verbose mode
if [ -n "$VERBOSE" ]; then
test -n "$sysctlname" && test -n "$sysctlcontent" && \
echo "$sysctlcontent" > $sysctlname
else
test -w "$sysctlname" && test -n "$sysctlcontent" && \
(echo "$sysctlcontent" > $sysctlname) 2> /dev/null
fi
fi
done
fi
exit 0
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