system/preload: Added to 12.0 repository
This commit is contained in:
Robby Workman
David Somero
parent
96025eb035
commit
90500bd86f
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Preload is an adaptive readahead daemon. It monitors applications
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that users run, and by analyzing this data, predicts what apps
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users might run, and fetches those binaries and their dependencies
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into memory for faster startup times.
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config() {
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NEW="$1"
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OLD="$(dirname $NEW)/$(basename $NEW .new)"
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# If there's no config file by that name, mv it over:
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if [ ! -r $OLD ]; then
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mv $NEW $OLD
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elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
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# toss the redundant copy
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rm $NEW
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fi
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# Otherwise, we leave the .new copy for the admin to consider...
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}
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# Keep same perms on rc.preload.new:
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if [ -e etc/rc.d/rc.preload ]; then
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cp -a etc/rc.d/rc.preload etc/rc.d/rc.preload.new.incoming
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cat etc/rc.d/rc.preload.new > etc/rc.d/rc.preload.new.incoming
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mv etc/rc.d/rc.preload.new.incoming etc/rc.d/rc.preload.new
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fi
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config etc/rc.d/rc.preload.new
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config etc/preload.conf.new
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config etc/logrotate.d/preload.new
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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.35.
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.TH PRELOAD "8" "September 2005" "preload 0.2" "System Administration Utilities"
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.SH NAME
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preload \- Adaptive readahead daemon
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.SH SYNOPSIS
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.B preload
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[\fIOPTION\fR]...
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.SH DESCRIPTION
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preload is an adaptive readahead daemon that prefetches files mapped by
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applications from the disk to reduce application startup time.
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.TP
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\fB\-h\fR, \fB\-\-help\fR
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Display this information and exit.
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.TP
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\fB\-v\fR, \fB\-\-version\fR
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Display version information and exit.
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.TP
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\fB\-c\fR, \fB\-\-conffile\fR
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Set configuration file. Empty string means no conf file.
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(default is /home/behdad/.local/etc/preload.conf)
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.TP
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\fB\-s\fR, \fB\-\-statefile\fR
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Set state file to load/save. Empty string means no state.
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(default is /home/behdad/.local/var/preload/preload.state)
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.TP
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\fB\-l\fR, \fB\-\-logfile\fR
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Set log file. Empty string means to log to stderr.
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(default is /home/behdad/.local/var/log/preload.log)
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.TP
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\fB\-f\fR, \fB\-\-foreground\fR
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Run in foreground, do not daemonize.
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.TP
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\fB\-n\fR, \fB\-\-nice\fR
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Nice level.
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(default is 15)
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.TP
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\fB\-V\fR, \fB\-\-verbose\fR
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Set the verbosity level. Levels 0 to 10 are recognized.
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(default is 4)
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.TP
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\fB\-d\fR, \fB\-\-debug\fR
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Debug mode: \fB\-\-logfile\fR '' \fB\-\-foreground\fR \fB\-\-verbose\fR 9
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.SH SIGNALS
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On receipt of a SIGHUP, the daemon will close and reopen its log file, and
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reread the configuratoin file.
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On receipt of a SIGUSR1, the daemon dumps the currently loaded configuration
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into the log file.
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On receipt of a SIGUSR2, the daemon saves its state into the state file.
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.SH AUTHOR
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Written by Behdad Esfahbod <behdad@gnu.org>
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.SH COPYRIGHT
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Copyright \(co 2005 Behdad Esfahbod.
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.br
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#!/bin/sh
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# Slackware build script for preload
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# Copyright 2008 Robby Workman Northport, Alabama (USA)
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# All rights reserved.
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#
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# Redistribution and use of this script, with or without modification, is
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of this script must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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PRGNAM=preload
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VERSION=0.4
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ARCH=${ARCH:-i486}
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BUILD=${BUILD:-1}
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TAG=${TAG:-_SBo}
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CWD=$(pwd)
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TMP=${TMP:-/tmp/SBo}
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PKG=$TMP/package-$PRGNAM
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OUTPUT=${OUTPUT:-/tmp}
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if [ "$ARCH" = "i486" ]; then
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SLKCFLAGS="-O2 -march=i486 -mtune=i686"
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elif [ "$ARCH" = "x86_64" ]; then
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SLKCFLAGS="-O2 -fPIC"
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fi
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set -e
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rm -rf $PKG
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mkdir -p $TMP $PKG $OUTPUT
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cd $TMP
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rm -rf $PRGNAM-$VERSION
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tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
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cd $PRGNAM-$VERSION
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chown -R root:root .
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find . \
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\( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
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-exec chmod 755 {} \; -o \
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\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
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-exec chmod 644 {} \;
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CFLAGS="$SLKCFLAGS" \
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./configure \
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--prefix=/usr \
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--sysconfdir=/etc \
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--localstatedir=/var \
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--build=$ARCH-slackware-linux
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make
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make install DESTDIR=$PKG
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( cd $PKG
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find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
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find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
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)
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# Let's not clobber things that might already exist
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mv $PKG/etc/preload.conf $PKG/etc/preload.conf.new
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mv $PKG/etc/logrotate.d/preload $PKG/etc/logrotate.d/preload.new
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# Add an init script (in noclobber mode)
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install -m 0755 $CWD/rc.preload $PKG/etc/rc.d/rc.preload.new
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# Kill some things we don't need or can't use
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rm -rf $PKG/etc/sysconfig $PKG/etc/rc.d/init.d
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# This requires 'help2man' in order to build a proper man page, so we cheated.
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gzip -9c $CWD/preload.8 > $PKG/usr/man/man8/preload.8.gz
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mv $PKG/usr/share/doc $PKG/usr ; rmdir $PKG/usr/share
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cp -a AUTHORS COPYING ChangeLog INSTALL NEWS README TODO \
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$PKG/usr/doc/$PRGNAM-$VERSION/$DOC
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cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
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mkdir -p $PKG/install
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cat $CWD/slack-desc > $PKG/install/slack-desc
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cat $CWD/doinst.sh > $PKG/install/doinst.sh
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cd $PKG
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
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PRGNAM="preload"
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VERSION="0.4"
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HOMEPAGE="http://sourceforge.net/projects/preload"
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DOWNLOAD="http://downloads.sourceforge.net/preload/preload-0.4.tar.gz"
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MD5SUM="9c98bc97ec261925c9a40e5084c9c149"
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MAINTAINER="Robby Workman"
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EMAIL="rw@rlworkman.net"
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APPROVED="David Somero"
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#!/bin/sh
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# /etc/rc.d/rc.preload
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# See preload(8) for options
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PRELOAD_OPTS="-c /etc/preload.conf -s /var/lib/preload/preload.state -l /var/log/preload.log"
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# You need at least 256 MB of memory for this to be useful
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free -m | awk '/Mem:/ {exit ($2 >= ('256'))?0:1}' || exit 1
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start() {
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if [ -x /usr/sbin/preload ]; then
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if [ ! -f /var/lock/subsys/preload ]; then
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echo "Starting preload daemon: /usr/sbin/preload "
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/usr/sbin/preload $PRELOAD_OPTS && \
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touch /var/lock/subsys/preload
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else
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echo "/usr/sbin/preload is already running. Exiting."
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exit 1
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fi
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else
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echo "/usr/sbin/preload is either not present or not executable."
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echo "Exiting."
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exit 1
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fi
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}
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stop() {
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echo "Stopping preload daemon... "
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killall -9 preload
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rm -f /var/lock/subsys/preload
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}
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restart() {
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stop
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sleep 1
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start
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}
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reload() {
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trap "" SIGHUP
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killall -HUP preload
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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reload)
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reload
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;;
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restart)
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restart
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;;
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*)
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echo $"Usage: $0 {start|stop|restart|reload}"
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exit 1
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esac
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# HOW TO EDIT THIS FILE:
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# The "handy ruler" below makes it easier to edit a package description. Line
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# up the first '|' above the ':' following the base package name, and the '|'
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# on the right side marks the last column you can put a character in. You must
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# make exactly 11 lines for the formatting to be correct. It's also
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# customary to leave one space after the ':'.
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|-----handy-ruler-----------------------------------------------------|
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preload: preload (adaptive readahead daemon)
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preload:
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preload: preload is an adaptive readahead daemon. It monitors applications
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preload: that users run, and by analyzing this data, predicts what apps
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preload: users might run, and fetches those binaries and their dependencies
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preload: into memory for faster startup times.
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preload:
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preload: Homepage: http://sourceforge.net/projects/preload
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preload:
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preload:
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preload:
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