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#!/bin/bash
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# =LLC= © (C)opyright 2017 Boojum Consulting LLC / Dave Bechtel, All rights reserved.
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## NOTICE: Only Boojum Consulting LLC personnel may use or redistribute this code,
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## Unless given explicit permission by the author - see http://www.boojumconsultingsa.com
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#
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# To be run from systemrescuecd environment; NOTE restore disk MUST be partitioned 1st!
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# REQUIRES 1 arg: filename of .fsa
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# copy this script to /tmp and chmod +x, run from there
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# TODO include /home and restore that? IF EXIST
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# failexit.mrg
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function failexit () {
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echo '! Something failed! Code: '"$1 $2" # code # (and optional description)
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exit $1
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}
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# TODO editme
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rootdev=/dev/sda1 # for VM
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rdevonly=${rootdev%[[:digit:]]}
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umount $rootdev # failsafe
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cdr=/mnt/cdrom2
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mkdir -pv $cdr
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rootdir=/mnt/tmp2
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umount $rootdir # failsafe
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mkdir -pv $rootdir
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myres=BOOJUM-RESTORE.sh # injection script
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# NOTE sr0 is systemrescue
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mount /dev/sr1 $cdr -oro
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chkmount=`df |grep -c $cdr`
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[ $chkmount -gt 0 ] || failexit 99 "Failed to mount $cdr"; # failed to mount
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chkmount=`df |grep -c $rootdir`
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[ $chkmount -eq 0 ] || failexit 98 "$rootdir is still mounted - cannot restore!";
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cd $cdr || failexit 199 "Cannot CD to $cdr";
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pwd
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echo "`date` - RESTORING root filesystem to $rootdev"
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# PROBLEM with long filenames in UDF - gets cut off, use $1
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#time fsarchiver restfs *.fsa id=0,dest=$rootdev
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time fsarchiver restfs "$1" id=0,dest=$rootdev || failexit 400 "Restore failed!";
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# TODO fix
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#while `wait -n`; do ## notwork - endless loop
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#while [ `jobs |wc -l` -gt 0 ]; do
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# df -h |grep $rootdev # grep fsa
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# sleep 5
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#done
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date
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# boojumtastic!
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tune2fs -m1 $rootdev
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mount $rootdev $rootdir -onoatime,rw
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# Comment out any existing swap partitions in restored fstab
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# REF: https://unix.stackexchange.com/questions/295537/how-do-i-comment-lines-in-fstab-using-sed
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#sed -e '/[/]/common s/^/#/' /etc/fstab
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/bin/cp -v $rootdir/etc/fstab $rootdir/etc/fstab--bkp && \
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sed -i '/swap/s/^/#/' $rootdir/etc/fstab; grep swap $rootdir/etc/fstab
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# Detect swap partition(s) in restore environ - print /dev/sdXX w/o ":"
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for p in `blkid |grep TYPE=\"swap\" |awk -F: '{ print $1 }'`; do
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pmod=${p##*/} # strip off beginning /dev/, leave sdXX
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swapuuid=`ls -l /dev/disk/by-uuid |grep $pmod |awk '{ print $9 }'`
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# check have we already done this?
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[ `grep -c $swapuuid $rootdir/etc/fstab` -gt 0 ] || \
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echo "UUID=$swapuuid swap swap defaults,pri=2 0 0" |tee -a $rootdir/etc/fstab
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# echo "UUID=$swapuuid swap swap defaults,pri=2 0 0" >> $rootdir/etc/fstab
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done
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# /dev/sdb5
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#ls -l /dev/disk/by-uuid |grep sdb5
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# 1 2 3 4 5 6 7 8 9
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#lrwxrwxrwx 1 root root 10 Aug 27 11:09 dfc46f8f-bcfa-4e73-b62f-b24dd0bf60cf -> ../../sdb5
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# Make sure we can boot!
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grub-install --root-directory=$rootdir $rdevonly
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mount -o bind /dev $rootdir/dev; mount -o bind /proc $rootdir/proc; mount -o bind /sys $rootdir/sys
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# FIXED
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myres2=$rootdir/$myres
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touch $myres2 || failexit 298 "Check if R/O filesystem?"
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echo "#!/bin/bash" > $myres2 || failexit 299 "Cannot update $myres2 injection script - Check R/O filesystem?"
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echo "update-grub" >> $myres2
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echo "grub-install $rdevonly" >> $myres2 # from chroot
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echo "exit;" >> $myres2
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#^D
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# inject script here!
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chroot $rootdir /bin/bash /$myres
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#umount -a $rootdir/*
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umount -a $rootdir/{dev,proc,sys}
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umount $rootdir/* 2>/dev/null
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umount $rootdir 2>/dev/null
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df -h
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echo "DON'T FORGET TO COPY /home and adjust fstab for swap / home / squid BEFORE booting new drive!"
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echo "+ also adjust etc/network/interfaces , getdrives-byid , etc/rc.local , etc/hostname , etc/hosts ,"
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echo "+ etc/init/tty11 port (home/cloudssh/.bash_login"
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exit;
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HOWTO restore:
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# time fsarchiver restfs *-fsarc1.fsa id=0,dest=/dev/sdf1
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Statistics for filesystem 0
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* files successfully processed:....regfiles=159387, directories=25579, symlinks=49276, hardlinks=25, specials=108
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* files with errors:...............regfiles=0, directories=0, symlinks=0, hardlinks=0, specials=0
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real 4m26.116s
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( 3.9GB )
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# mount /dev/sdf1 /mnt/tmp2
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# grub-install --root-directory=/mnt/tmp2 /dev/sdf
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# mount -o bind /dev /mnt/tmp2/dev; mount -o bind /proc /mnt/tmp2/proc; mount -o bind /sys /mnt/tmp2/sys
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# chroot /mnt/tmp2 /bin/bash
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# update-grub
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[[
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Generating grub configuration file ...
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Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
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Found linux image: /boot/vmlinuz-4.2.0-36-generic
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Found initrd image: /boot/initrd.img-4.2.0-36-generic
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Found memtest86+ image: /boot/memtest86+.elf
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Found memtest86+ image: /boot/memtest86+.bin
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Found Ubuntu 14.04.4 LTS (14.04) on /dev/sda1
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done
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]]
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# grub-install /dev/sdf # from chroot
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^D
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# umount -a /mnt/tmp2/*
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# DON'T FORGET TO COPY /home and adjust fstab for swap / home / squid BEFORE booting new drive!
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# also adjust etc/network/interfaces , getdrives-byid , etc/rc.local , etc/hostname , etc/hosts , etc/init/tty11 port (home/cloudssh/.bash_login)
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# umount /mnt/tmp2/*
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# umount /mnt/tmp2
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########
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2017.0827 Tested, works OK
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