[Linux] full system backup

[reference]
http://forums.gentoo.org/viewtopic-t-312817-highlight-backup.html

file : ftp://binkeye.ch/gentoo/mkstage4.sh

* gentoo system을 백업하기 위한 스크립트

일단 파일을 다운 받아서 실행 권한을 주고 실행하면 다음과 같다고 한다.

Backup script v3.5
==================

What do you want to do? (Use CONTROL-C to abort)

Fast (tar.gz):
 (1) Minimal backup
 (2) Interactive backup


Best (tar.bz2):
 (3) Minimal backup
 (4) Interactive backup

Please enter your option:

스크립트 내부의 $default_*_list 와 $custom_*_list 변수에 백업을 원하는 디렉토리를
설정해두면 해당 디렉토리를 몽땅 백업한다고....

리스토어 방법은 아래와 같은데
압축을 풀 때 p 옵션을 잊지 말것!!

 1. boot off a live-cd and repartition and create filesystems as necessary
 2. eventually reboot, using option: gentoo docache
 3. umount /mnt/cdrom
 4. remove the live-cd and insert the cd with the stage4
 5. mount /dev/cdrom /mnt/cdrom
 6. mount /dev/hdaX /mnt/gentoo
 7. mkdir /mnt/gentoo/boot
 8. mount /dev/hdaX /mnt/gentoo/boot
 9. tar xzvpf /mnt/cdrom/host-stage4-18.04.2005-custom.tar.gz -C /mnt/gentoo/
 or
 9. tar xjvpf /mnt/cdrom/host-stage4-18.04.2005-custom.tar.bz2 -C /mnt/gentoo/
10. mount -t proc none /mnt/gentoo/proc
11. mount -o bind /dev /mnt/gentoo/dev
12. chroot /mnt/gentoo /bin/bash
13. env-update
14. source /etc/profile

if in need adjust necessary files (/etc/fstab, /boot/grub/grub.conf) and/or install grub

15. emerge sync      (rebuild portage tree)
16. exit
17. cd /
18. umount /mnt/cdrom
19. remove backup cd
20. umount /mnt/gentoo/boot
21. umount /mnt/gentoo/dev
22. umount /mnt/gentoo/proc
23  umount /mnt/gentoo
24. Reboot

 1. boot off a live-cd and repartition and create filesystems as necessary
 2. eventually reboot, using option: gentoo docache
 3. umount /mnt/cdrom
 4. remove the live-cd and insert the cd with the stage4
 5. mount /dev/cdrom /mnt/cdrom
 6. mount /dev/hdaX /mnt/gentoo
 7. mkdir /mnt/gentoo/boot
 8. mount /dev/hdaX /mnt/gentoo/boot
 9. tar xzvpf /mnt/cdrom/host-stage4-18.04.2005-custom.tar.gz -C /mnt/gentoo/
 or
 9. tar xjvpf /mnt/cdrom/host-stage4-18.04.2005-custom.tar.bz2 -C /mnt/gentoo/
10. mount -t proc none /mnt/gentoo/proc
11. mount -o bind /dev /mnt/gentoo/dev
12. chroot /mnt/gentoo /bin/bash
13. env-update
14. source /etc/profile

if in need adjust necessary files (/etc/fstab, /boot/grub/grub.conf) and/or install grub, network config

15. emerge sync      (rebuild portage tree)
16. exit
17. cd /
18. umount /mnt/cdrom
19. remove backup cd
20. umount /mnt/gentoo/boot
21. umount /mnt/gentoo/dev
22. umount /mnt/gentoo/proc
23  umount /mnt/gentoo
24. Reboot