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| -rw-r--r-- | system/zerofree/README | 7 | ||||
| -rw-r--r-- | system/zerofree/slack-desc | 19 | ||||
| -rw-r--r-- | system/zerofree/zerofree.8 | 92 | ||||
| -rw-r--r-- | system/zerofree/zerofree.SlackBuild | 100 | ||||
| -rw-r--r-- | system/zerofree/zerofree.info | 12 |
5 files changed, 0 insertions, 230 deletions
diff --git a/system/zerofree/README b/system/zerofree/README deleted file mode 100644 index 14a43ae30e1ee..0000000000000 --- a/system/zerofree/README +++ /dev/null @@ -1,7 +0,0 @@ -Zerofree is a utility which scans the free blocks in an ext2/3/4 -filesystem and fills any non-zero blocks with zeroes. - -This is useful if you have an ext2/3/4 virtual disk image -(e.g. VirtualBox' .vdi) that you wish to compact. - -See project homepage for information and usage. diff --git a/system/zerofree/slack-desc b/system/zerofree/slack-desc deleted file mode 100644 index 864bdb31823fa..0000000000000 --- a/system/zerofree/slack-desc +++ /dev/null @@ -1,19 +0,0 @@ -# HOW TO EDIT THIS FILE: -# The "handy ruler" below makes it easier to edit a package description. -# Line up the first '|' above the ':' following the base package name, and -# the '|' on the right side marks the last column you can put a character in. -# You must make exactly 11 lines for the formatting to be correct. It's also -# customary to leave one space after the ':' except on otherwise blank lines. - - |-----handy-ruler------------------------------------------------------| -zerofree: zerofree (fills free blocks in an ext2/3/4 filesystem with zeroes) -zerofree: -zerofree: Zerofree is a utility which scans the free blocks in an ext2/3/4 -zerofree: filesystem and fills any non-zero blocks with zeroes. -zerofree: This is useful if you have an ext2/3/4 virtual disk image -zerofree: (e.g. VirtualBox' .vdi) that you wish to compact. -zerofree: See project homepage for information and usage. -zerofree: -zerofree: -zerofree: Homepage: http://intgat.tigress.co.uk/rmy/uml/index.html -zerofree: diff --git a/system/zerofree/zerofree.8 b/system/zerofree/zerofree.8 deleted file mode 100644 index fb6f277e7bd50..0000000000000 --- a/system/zerofree/zerofree.8 +++ /dev/null @@ -1,92 +0,0 @@ -.TH "ZEROFREE" "8" -.SH "NAME" -zerofree \(em zero free blocks from ext2, ext3 and ext4 file-systems -.SH "SYNOPSIS" -.PP -\fBzerofree\fR [\fB-n\fP] [\fB-v\fP] [\fB-f fillval\fP] \fIfilesystem\fR -.SH "DESCRIPTION" -.PP -\fBzerofree\fR finds the unallocated, -blocks with non-zero value content in an ext2, ext3 or ext4 -\fIfilesystem\fR (e.g. /dev/hda1) and -fills them with zeroes (or another octet of your choice). - - -.PP -Filling unused areas with zeroes is useful if the device on -which this file-system resides is a disk image. In this case, -depending on the type of disk image, a secondary utility may be -able to reduce the size of the disk image after zerofree has -been run. - -.PP -Filling unused areas may also be useful with solid-state -drives (SSDs). On some SSDs, filling blocks with ones (0xFF) -is reported to trigger Flash block erasure by the firmware, -possibly giving a write performance increase. - -.PP -The usual way to achieve the same result (zeroing the -unallocated blocks) is to run \fBdd\fR (1) to -create a file full of zeroes that takes up the entire free -space on the drive, and then delete this file. This has many -disadvantages, which zerofree alleviates: -.IP " \(bu" 6 -it is slow; -.IP " \(bu" 6 -it makes the disk image (temporarily) grow to its maximal -extent; -.IP " \(bu" 6 -it (temporarily) uses all free space on the disk, so other -concurrent write actions may fail. - -.PP -\fIfilesystem\fR has to be unmounted or -mounted read-only for \fBzerofree\fR to work. It -will exit with an error message if the -\fIfilesystem\fR is mounted writable. To -remount the root file-system readonly, you can first switch to -single user runlevel (\fBtelinit 1\fR) then use -\fBmount \-o remount,ro -\fIfilesystem\fR\fR. - -.PP -\fBzerofree\fR has been written to be run -from GNU/Linux systems installed as guest OSes inside a virtual -machine. In this case, it is typically run from within the guest -system, and a utility is then run from the host system to shrink -disk image (\fBVBoxManage modifyhd \-\-compact\fR, -provided with virtualbox, is able to do that for some disk image -formats). - -.PP -It may however be useful in other situations: for instance -it can be used to make it more difficult to retrieve deleted -data. Beware that securely deleting sensitive data is not in -general an easy task and usually requires writing several times -on the deleted blocks. - -.SH "OPTIONS" -.IP "\fB-n\fP " 10 -Perform a dry run (do not modify the file-system); -.IP "\fB-v\fP " 10 -Be verbose; -.IP "\fB-f value\fP " 10 -Specify the octet value to fill empty blocks with (defaults to -0). Argument must be within the range 0 to 255. -.SH "SEE ALSO" -.PP -dd (1). -.SH "AUTHOR" -.PP -This manual page was written by Thibaut Paumard <paumard@users.sourceforge.net> for -the \fBDebian\fP system (but may be used by others). Permission is -granted to copy, distribute and/or modify this document under -the terms of the GNU General Public License, Version 2 or any -later version published by the Free Software Foundation. - -.PP -On Debian systems, the complete text of the GNU General Public -License can be found in /usr/share/common-licenses/GPL-2. - -.\" created by instant / docbook-to-man, Mon 31 Mar 2014, 15:41 diff --git a/system/zerofree/zerofree.SlackBuild b/system/zerofree/zerofree.SlackBuild deleted file mode 100644 index a40dcdade4d68..0000000000000 --- a/system/zerofree/zerofree.SlackBuild +++ /dev/null @@ -1,100 +0,0 @@ -#!/bin/sh - -# Slackware build script for zerofree - -# Copyright 2011-2013 Roberto Neri, Palermo, Italy -# All rights reserved. -# -# Redistribution and use of this script, with or without modification, is -# permitted provided that the following conditions are met: -# -# 1. Redistributions of this script must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED -# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO -# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; -# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, -# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR -# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF -# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# 20180612 bkw: update to 1.1.1. -# 20170122 bkw: update to 1.1.0, fix homepage/download URLs. -# 20160803 bkw: update to 1.0.4, BUILD=1 -# 20141021 bkw: add man page, add sparsify, bump BUILD to 2. - -PRGNAM=zerofree -VERSION=${VERSION:-1.1.1} -BUILD=${BUILD:-1} -TAG=${TAG:-_SBo} - -if [ -z "$ARCH" ]; then - case "$( uname -m )" in - i?86) ARCH=i586 ;; - arm*) ARCH=arm ;; - *) ARCH=$( uname -m ) ;; - esac -fi - -CWD=$(pwd) -TMP=${TMP:-/tmp/SBo} -PKG=$TMP/package-$PRGNAM -OUTPUT=${OUTPUT:-/tmp} - -if [ "$ARCH" = "i586" ]; then - SLKCFLAGS="-O2 -march=i586 -mtune=i686" - LIBDIRSUFFIX="" -elif [ "$ARCH" = "i686" ]; then - SLKCFLAGS="-O2 -march=i686 -mtune=i686" - LIBDIRSUFFIX="" -elif [ "$ARCH" = "x86_64" ]; then - SLKCFLAGS="-O2 -fPIC" - LIBDIRSUFFIX="64" -else - SLKCFLAGS="-O2" - LIBDIRSUFFIX="" -fi - -set -e - -rm -rf $PKG -mkdir -p $TMP $PKG $OUTPUT -cd $TMP -rm -rf $PRGNAM-$VERSION -tar xvf $CWD/$PRGNAM-$VERSION.tgz -cd $PRGNAM-$VERSION -chown -R root:root . -find -L . \ - \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \ - -exec chmod 755 {} \; -o \ - \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \ - -exec chmod 644 {} \; - -# No ./configure or "make install" provided -make CFLAGS="$SLKCFLAGS" - -strip --strip-unneeded $PRGNAM 2> /dev/null - -mkdir -p $PKG/usr/sbin -cp -a $PRGNAM $PKG/usr/sbin - -# This looks useful, include it. -gcc $SLKCFLAGS -Wl,-s -o $PKG/usr/sbin/sparsify $CWD/sparsify.c -lext2fs - -# man page comes from Debian. -mkdir -p $PKG/usr/man/man8 -gzip -9c $CWD/$PRGNAM.8 > $PKG/usr/man/man8/$PRGNAM.8.gz - -mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION -cp -a COPYING $PKG/usr/doc/$PRGNAM-$VERSION -cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild - -mkdir -p $PKG/install -cat $CWD/slack-desc > $PKG/install/slack-desc - -cd $PKG -/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz} diff --git a/system/zerofree/zerofree.info b/system/zerofree/zerofree.info deleted file mode 100644 index 51862897eb7f0..0000000000000 --- a/system/zerofree/zerofree.info +++ /dev/null @@ -1,12 +0,0 @@ -PRGNAM="zerofree" -VERSION="1.1.1" -HOMEPAGE="http://frippery.org/uml/" -DOWNLOAD="http://frippery.org/uml/zerofree-1.1.1.tgz \ - http://frippery.org/uml/sparsify.c" -MD5SUM="4f2d6bdba4212e54eb7dd22a8fbb6d29 \ - 919ad782c7120d1e4a9c0ccc9f45b8ef" -DOWNLOAD_x86_64="" -MD5SUM_x86_64="" -REQUIRES="" -MAINTAINER="B. Watson" -EMAIL="yalhcru@gmail.com" |