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beyerle@PS |
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#!/bin/bash
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#
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# Saves data to a usbstick (default)
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# or a partition (user input)
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# Scientific Linux Live CD
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#
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# Urs Beyerle, PSI
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#
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### definitions
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CONFIG_FOLDER=""
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MOUNTDIR=livecd
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. /$MOUNTDIR/live/liblinuxlive
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# PSI setup?
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PSI=$( cmdline_parameter psi )
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if [ $PSI ]; then
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SAVEFOLDER=PSI_LIVECD
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else
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SAVEFOLDER=SL_LIVECD
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fi
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echo
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### this script should be run as root
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# (if not, somethings will not be stored)
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if [ "$( whoami )" != "root" ]; then
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echo "********************************************"
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echo "WARNING: Run this script as root or sudo !!"
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echo "As normal user not everything will be saved."
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echo "Run instead: # sudo $0"
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echo "********************************************"
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echo
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echo "Press a key to continue (CTRL-C to exit)"
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read -n 1
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fi
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### search usb sticks
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echo "Search for usbstick..."
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USBMOUNT=$( grep -i /media/usb /etc/fstab | tail -n 1 | awk '{ print $2 }' )
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if [ $USBMOUNT ]; then
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# mount usbstick, if not already mounted
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mount | grep -q " $USBMOUNT "
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if [ "$?" != "0" ]; then
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echo "Mount $USBMOUNT"
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mount $USBMOUNT 2>/dev/null
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fi
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fi
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### if no usbstick, ask the user for a partition
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if [ ! $USBMOUNT ]; then
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echo "No usbstick found."
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echo "Type in a partition you want to store the data to."
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echo -n "(e.g. /dev/hda1, /dev/sda1, ...): "
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read MOUNT_DEV
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# search $MOUNT_DEV in fstab
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USBMOUNT=$( grep "^$MOUNT_DEV " /etc/fstab | tail -n 1 | awk '{ print $2 }' )
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if [ ! $USBMOUNT ]; then
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mkdir -p /mnt/$MOUNT_DEV
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USBMOUNT=/mnt/$MOUNT_DEV
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fi
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# mount read write
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mount -rw $MOUNT_DEV $USBMOUNT 2>/dev/null
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if [ "$?" != "0" ]; then
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echo "ERROR: Can not mount $MOUNT_DEV to $USBMOUNT"
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sleep 5; exit 1
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else
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echo "Mounted $MOUNT_DEV to $USBMOUNT."
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fi
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fi
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### search for $SAVEFOLDER on $USBMOUNT
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if [ -d $USBMOUNT/$SAVEFOLDER ]; then
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CONFIG_FOLDER=$USBMOUNT/$SAVEFOLDER
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echo "Found folder '$SAVEFOLDER' on $USBMOUNT."
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else
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mkdir -p $USBMOUNT/$SAVEFOLDER
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if [ "$?" = "0" ]; then
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echo "Folder $SAVEFOLDER created on $USBMOUNT."
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CONFIG_FOLDER=$USBMOUNT/$SAVEFOLDER
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else
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echo "ERROR: Can not write to $USBMOUNT."
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CONFIG_FOLDER=""
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fi
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fi
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### Create README.txt in $CONFIG_FOLDER
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echo "Do not delete this folder!" > $CONFIG_FOLDER/README.txt
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echo "It is used to store your data from LiveCD." >> $CONFIG_FOLDER/README.txt
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if [ "$?" = "0" ]; then
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echo "Saved $CONFIG_FOLDER/README.txt"
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else
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echo "ERROR: Could not save $CONFIG_FOLDER/README.txt !"
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fi
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### put parameter "keyboard" to config (if not yet there)
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CONFIG_FILE=$CONFIG_FOLDER/config
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grep -q "KEYBOARD=" $CONFIG_FILE 2>/dev/null
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if [ "$?" != "0" ]; then
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# what keyborad do I have?
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. /etc/sysconfig/keyboard
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echo KEYBOARD=$KEYTABLE >> $CONFIG_FILE
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echo "Saved $CONFIG_FILE"
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fi
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### put restore script to setup (if setup does not yet exists)
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SETUP_FILE=$CONFIG_FOLDER/setup
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if [ ! -e $SETUP_FILE ]; then
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cat > $SETUP_FILE <<'EOF'
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#!/bin/bash
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#
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# restore tar.gz files, if found on usbstick
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files=$( ls $CONFIG_FOLDER/*.tar.gz )
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cd /
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for file in $files; do
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tar xfzP $file 2>/dev/null
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if [ "$?" = "0" ]; then
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echo "$file restored."
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fi
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done
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EOF
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echo "Saved $SETUP_FILE"
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fi
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### save /home, /etc/passwd /etc/shadow, ...
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# as tar.gz. files
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echo "Start saving tar.gz files to $CONFIG_FOLDER:"
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SAVES="/home \
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/root \
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/etc/passwd \
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/etc/shadow \
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/etc/group"
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for save in $SAVES; do
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echo -n "Save $save ... "
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tar cfzP $CONFIG_FOLDER/$( basename $save ).tar.gz $save
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if [ "$?" = "0" ]; then
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echo " done."
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else
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echo "ERROR: Could not save $save to $USBMOUNT !"
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fi
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done
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### save /etc/X11/xorg.conf
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cp -a /etc/X11/xorg.conf $CONFIG_FOLDER/
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echo "Xserver configuration file 'xorg.conf' saved to $CONFIG_FOLDER."
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### inform user
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echo "If you don't want to keep one of these config files, just delete it."
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echo
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### umount $USBMOUNT
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echo "Unmount $USBMOUNT"
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umount $USBMOUNT 2>/dev/null
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echo "$0 finished."
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echo
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echo "Please <press a key> ..."
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read -n 1
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