11. 백업과 복구 정리 Linux

백업과 복구

1. 전체 백업

#>tar cvfJ <tar_name>  -g <backuplist_name> <path> ...

-g --listed-incremental 백업

ex)

#>tar cvfJ /backup/fullbackup.tar.xz -g /backup/backuplist /root/data

#>tar tvf /backup/fullbackup.tar.xz

2. 복구

#>cd /

#>tar xvfJ /backup/fullbackup.tar.xz -g /backup/backuplist

3. 증분 백업

#>tar cvfJ <tar_name>  -g <backuplist_name> <path> ...

#> tar cvfJ /backup/incbackup.tar.xz -g /backup/backuplist /root/data

#> tar cvfJ /backup/inc1backup.tar.xz -g /backup/backuplist /root/data

#> tar cvfJ /backup/inc2backup.tar.xz -g /backup/backuplist /root/data

4. 증분 백업 복구

#>cd /

#> tar xvfJ /backup/fullbackup.tar.xz -g /backup/backuplist 

#> tar xvfJ /backup/inc1backup.tar.xz -g /backup/backuplist 

#> tar xvfJ /backup/inc2backup.tar.xz -g /backup/backuplist 

ex) 리눅스 시스템 백업

( /etc , /home )

#>rm -rf /backup/*

#>tar cvfJ /backup/fullbackup.tar.xz -g /backup/backuplist /etc /home ...

- 사용자 생성 ( test01 , test02 , test03 )

#>useradd

- 복구

#>cd /

#>tar xvfJ /backup/fullback.tar.xz -g /backup/ backuplist

- 사용자 삭제 및 생성

#>userdel -r user01

#>useradd test01

#>useradd test02

*디렉터리 지정

-C <path>

#>tar xvfJ /backup/fullbackup.tar.xz -g /backup/backuplist -C /