#! /bin/bash# Backup script for Gentoo Linux# Author: fdavid# Date: 2003.11.29.# Making backup of home partition to cds# options for the archivetarOptions="--create --absolute-names --preserve-permissions --gzip --file"# name of the archivearchive=/mnt/tarbackup/$(date +%Y%m%d)home.tar.gz# mount the backup partitionmount /dev/hdaXsleep 5# create the archivetar ${tarOptions} ${archive} /home/;echo archive is done# split the archive to cd size (use: "cat ${archive}.* >> ${archive}" to join the parts)split --bytes=700000000 ${archive} ${archive}.echo splitting is done# unmountsleep 5umount /dev/hdaX

#! /bin/bash##  Backup script for Gentoo Linux##  Author: BrianW##  Date: 2004.10.26.##  Adapted from backupHome.sh by fdavid##  Adapted from mkstage4.sh by nianderson##  This is a script to create a custom stage 4 tarball (System and boot backup)##  I use this script to make a snapshot of my system. Meant to be done weekly in my case##  Please check the options and adjust to your specifics.echo -=- Starting the Backup Script...echo -=-echo -=- Setting the variables...##  The location of the stage 4 tarball.##  Be sure to include a trailing /stage4Location=/##  The name of the stage 4 tarball.archive=$stage4Location$(hostname)-stage4.tar.bz2##  Directories/files that will be exluded from the stage 4 tarball.####  Add directories that will be recursively excluded, delimited by a space.##  Be sure to omit the trailing /dir_excludes="/dev /proc /sys /tmp /usr/portage /var/tmp"####  Add files that will be excluded, delimited by a space.##  You can use the * wildcard for multiple matches.##  There should always be $archive listed or bad things will happen.file_excludes="$archive"####  Combine the two *-excludes variables into the $excludes variableexcludes="$(for i in $dir_excludes; do if [ -d $i ]; then \    echo -n " --exclude=$i/*"; fi; done) $(for i in $file_excludes; do \    echo -n " --exclude=$i"; done)"##  The options for the stage 4 tarball.tarOptions="$excludes --create --absolute-names --preserve-permissions --bzip2 --verbose --totals --file"echo -=- Done!echo -=-##  Mounting the boot partitionecho -=- Mounting boot partition, then sleeping for 5 seconds...mount /bootsleep 5echo -=- Done!echo -=-##  Creating a copy of the boot partition (copy /boot to /bootcpy).##  This will allow the archiving of /boot without /boot needing to be mounted.##  This will aid in restoring the system.echo -=- Copying /boot to /bootcpy ...cp -R /boot /bootcpyecho -=- Done!echo -=-##  Unmounting /bootecho -=- Unmounting /boot then sleeping for 5 seconds...umount /bootsleep 5echo -=- Done!echo -=-##  Creating the stage 4 tarball.echo -=- Creating custom stage 4 tarball \=\=\> $archiveecho -=-echo -=- Running the following command:echo -=- tar ${tarOptions} ${archive} /tar ${tarOptions} ${archive} /;echo -=- Done!##  Split the stage 4 tarball in cd size tar files.##  To combine the tar files after copying them to your##  chroot do the following: "cat *.tar.bz2 >> stage4.tar.bz2".##  Uncomment the following lines to enable this feature.#echo -=- Splitting the stage 4 tarball into CD size tar files...#split --bytes=700000000 ${archive} ${archive}.#echo -=- Done!##  Removing the directory /bootcpy.##  You may safely uncomment this if you wish to keep /bootcpy.echo -=- Removing the directory /bootcpy ...rm -rf /bootcpyecho -=- Done!echo -=-##  This is the end of the line.echo -=- The Backup Script has completed!

#! /bin/bash# Backup script for Gentoo Linux# Author: nianderson# Date: 2004.09.15.##Used to install a stage4 created with mkstage4.sh#assumes you have already partitioned and formated your drive#assumes your booted from gentoo live cd#Define Disk layout#if using ide disks use hdax if using scsi use sdaxrootPartition=/dev/sda3bootPartition=/dev/sda1#where to mount the disk partitionsmntRootPartition=/mnt/gentoomntBootPartition=/mnt/gentoo/boot#URL of stage4#I put a copy of the tar on a webserver so i can#easily get it when a reinstall is neededurlToStage4=http://domain.com/stage4=hostname-stage4.tar.bz2#mount root partitionecho mounting root partition $rootPartition to $mntRootPartitionmount $rootPartition $mntRootPartitionsleep 5echo#not sure about this part yet#wget the stage4 to the mounted root partitioncd $mntRootPartitionecho wget $urlToStage4$stage4 to $mntRootPartitionwget $urlToStage4$stage4sleep 5#untar the stage4echo extract stage4tar xjpf $stage4sleep 5echo#mount boot partitonecho mounting $bootPartition to $mntBootPartitionmkdir $mntbootPartitionmount $bootPartition $mntBootPartitionsleep 5echo#copy boot copy back to bootecho copy bootcpy back to bootcp -R $mntRootPartition/bootcpy $mntBootPartitionsleep 5#remove stage4 filerm -rf $mntRootPartition/$stage4echo you need to check your fstab and install grub or lilo thenecho all should be wellecho Removing bootcpyrm -rf /bootcpyecho Enjoy

#!/bin/bash# Backup script for Gentoo Linux# Author: Reto Glauser aka blinkeye# Homepage: http://blinkeye.ch# Mailto: stage4 at blinkeye dot ch# Date: 23.03.2005# If you need further infos check out this post: http://forums.gentoo.org/viewtopic.php?p=1751698#1751698version=v1.2# these are the commands we actually need for the backupcommand_list="echo tar hostname date split"# verify that each command we use existsfor command in $command_list; do	path=`which $command | grep "no $command in"`		if [ ! -x `which $command` -a "$path" ]; then		echo -e "\n\nERROR: $command not found! Check your commands and/or your \$PATH"		exit -1	fidone# options for the tar commandtarOptions="--create --absolute-names --preserve-permissions --totals --bzip2 --ignore-failed-read --verbose --file"# where to put the stage4stage4Location=/mnt/backups/stage4# name prefixstage4prefix=$(hostname)-stage4-`date +\%d.\%m.\%Y`# these files/directories are always excludeddefault_exclude_list="--exclude=/tmp/*--exclude=/var/tmp/*--exclude=/lost+found/*--exclude=/dev/*--exclude=/proc/*--exclude=/mnt/*--exclude=/sys/*--exclude=/usr/portage/*--exclude=/var/log/*--exclude=$stage4Location"# depending on your choice these files or directories will additionally be excludedcustom_exclude_list="--exclude=/usr/src/*--exclude=/opt/mathematica--exclude=/usr/share/smssend--exclude=/home/*"# check the folder/files stored in $default_exclude_list existfor exclude in $default_exclude_list; do	if [ ! -e "`echo "$exclude" | cut -d'=' -f2 | cut -d'*' -f1`"  ]; then		echo -e "\n\nERROR: `echo "$exclude" | cut -d'=' -f2` not found! Check your \$default_exclude_list"	fidone# check the folder/files stored in $custom_exclude_list existfor exclude in $custom_exclude_list; do	if [ ! -e "`echo "$exclude" | cut -d'=' -f2 | cut -d'*' -f1`"  ]; then		echo -e "\n\nERROR: `echo "$exclude" | cut -d'=' -f2` not found! Check your \$custom_exclude_list"	fidone# print out the version echo -e "\nBackup script $version" echo -e "==================="# how do you want to backup?echo -e "\nWhat do you want to do? (Use CONTROL-C to abort)\n(1) Minimal backup(2) Interactive backup"while [ "$option" != '1' -a "$option" != '2'  ]; do	echo -en "\nPlease enter your option: "	read optiondonecase $option in1)	stage4Name=$stage4Location/$stage4prefix-minimal	final_command="tar $default_exclude_list $custom_exclude_list $tarOptions $stage4Name.tar.bz2 / /var/log/emerge.log"	;;2)	for folder in $custom_exclude_list; do		echo -en "Do you want to backup" `echo "$folder" | cut -d'=' -f2`"? (y/n) "		read answer		while [ "$answer" != 'y' -a "$answer" != 'n' ]; do			echo "please enter y or n"			read answer		done		if [ "$answer" == 'n' ]; then			default_exclude_list="$default_exclude_list $folder"		fi	done		stage4Name=$stage4Location/$stage4prefix-custom	final_command="tar $default_exclude_list $tarOptions $stage4Name.tar.bz2 /  /var/log/emerge.log"	;;esac# show what will be doneecho -e "\n* creating the stage4 at $stage4Location with the following options:\n\n"$final_command# everything is set, are you sure to continue?echo -ne "\nDo you want to continue? (y/n) "read answerwhile [ "$answer" != 'y' ] && [ "$answer" != 'n' ]; do			echo "please enter y or n"			read answerdoneif [ "$answer" == 'y' ]; then	# mount boot	echo -e "\n* mount boot"	mount /boot >/dev/null 2>&1			# if necessary, create the stage4Location	if [ ! -d "$stage4Location" ] ; then		echo "* creating directory $stage4Location"		mkdir -p $stage4Location	fi		# check whether the file already exists	if [ -a "$stage4Name.tar.bz2" ]; then		echo -en "\nDo you want to overwrite $stage4Name.tar.bz2? (y/n) "		read answer		while [ "$answer" != 'y' ] && [ "$answer" != 'n' ]; do			echo "please enter y or n"			read answer		done		if [ "$answer" == 'n' ]; then			echo -e "\n* There's nothing to do ... Exiting"			exit 0;		fi	fi		# do the backup	time $final_command	# copy the current world file to the stage4 location	echo -e "\n* creating stage4 overview $stage4Name.txt"	cp /var/lib/portage/world $stage4Name.txt >/dev/null 2>&1		# we finished, clean up	echo "* stage4 is done"	echo "* umounting boot"	umount /bootelse	echo -e "\n* There's nothing to do ... Exiting"fi#Uncomment the following command if you want to split the archive in cd size chunks:#split --suffix-length=1 --bytes=670m $stage4Name.tar.bz2 "$stage4Name".tar.bz2_ && echo "* splitting is done"

dd if=/dev/(your_disk) of=mbr.save count=1 bs=512sfdisk -d /dev/(your_disk) > partitions.save

dd if=mbr.save of=/dev/(your_disk)sfdisk /dev/(your_disk) < partitions.save