linux文件恢复工具extundelete恢复被删除文件示例

extundelete是一个恢复工具了常用于linux系统中文件被删除之后的恢复软件了,下面小编来给各位整理一个extundelete工具恢复文件的例子.

安装extundelete:

1. [root@xifenfeitmp]#bunzip2extundelete-0.2.0.tar.bz2
2. [root@xifenfeitmp]#tarxvfextundelete-0.2.0.tar
3. extundelete-0.2.0/
4. extundelete-0.2.0/README
5. extundelete-0.2.0/acinclude.m4
6. extundelete-0.2.0/configure.ac
7. extundelete-0.2.0/aclocal.m4
8. extundelete-0.2.0/Makefile.am
9. extundelete-0.2.0/Makefile.in
10. extundelete-0.2.0/config.h.in
11. extundelete-0.2.0/configure
12. extundelete-0.2.0/compile
13. extundelete-0.2.0/depcomp
14. extundelete-0.2.0/install-sh
15. extundelete-0.2.0/missing
16. extundelete-0.2.0/LICENSE
17. extundelete-0.2.0/autogen.sh
18. extundelete-0.2.0/src/
19. extundelete-0.2.0/src/Makefile.am
20. extundelete-0.2.0/src/Makefile.in
21. extundelete-0.2.0/src/extundelete.cc
22. extundelete-0.2.0/src/block.c
23. extundelete-0.2.0/src/insertionops.cc
24. extundelete-0.2.0/src/block.h
25. extundelete-0.2.0/src/extundelete.h
26. extundelete-0.2.0/src/extundelete-priv.h
27. extundelete-0.2.0/src/jfs_compat.h
28. extundelete-0.2.0/src/kernel-jbd.h
29. [root@xifenfeitmp]#cdextundelete-0.2.0
30. [root@xifenfeiextundelete-0.2.0]#./configure
31. Configuringextundelete0.2.0
32. Writinggeneratedfilestodisk
33. [root@xifenfeiextundelete-0.2.0]#make&&makeinstall
34. make-sall-recursive
35. Makingallinsrc
36. Makinginstallinsrc
37. /usr/bin/install-c'extundelete''/usr/local/bin/extundelete'

恢复操作命令:

1. --umount或者readonly分区
2. umount/dev/partition
3. mount-oremount,ro/dev/partition
4. --恢复文件
5. xtundelete/dev/partition--restore-all
6. extundelete/dev/partition--restore-directory/backup/gnutool-delete
7. extundelete/dev/partition--restore-files/etc/passwd
8. 测试恢复
9. --基于目录恢复
10. [root@xifenfeitmp]#extundelete/dev/sdb1--restore-directory/u01/xifenfei
11. Loadingfilesystemmetadata...160groupsloaded.
12. Loadingjournaldescriptors...23descriptorsloaded.
13. WritingoutputtodirectoryRECOVERED_FILES/
14. Failedtorestorefile/u01/xifenfei
15. Couldnotfindcorrectinodenumberpastinode2.
16. [root@xifenfeitmp]#cdRECOVERED_FILES/
17. [root@xifenfeiRECOVERED_FILES]#ll
18. total0
19. --未成功
20. --基于磁盘恢复
21. [root@xifenfeiRECOVERED_FILES]#extundelete/dev/sdb1--restore-all
22. Loadingfilesystemmetadata...160groupsloaded.
23. Loadingjournaldescriptors...23descriptorsloaded.
24. WritingoutputtodirectoryRECOVERED_FILES/
25. Searchingforrecoverableinodesindirectory/...
26. 4recoverableinodesfound.
27. Lookingthroughthedirectorystructurefordeletedfiles...
28. Failedtorestoreinode1966081tofileRECOVERED_FILES/xifenfei:Inodedoesnotcorrespondtoaregularfile.
29. Restoredinode1966082tofileRECOVERED_FILES/xifenfei/xff.txt
30. Failedtorestoreinode1966083tofileRECOVERED_FILES/xifenfei/xff:Inodedoesnotcorrespondtoaregularfile.
31. Restoredinode1966084tofileRECOVERED_FILES/xifenfei/xff/xff.txt132
32. 0recoverableinodesstilllost.
33. [root@xifenfeiRECOVERED_FILES]#ll
34. total4
35. drwxr-xr-x3rootroot4096Aug3121:36RECOVERED_FILES
36. [root@xifenfeiRECOVERED_FILES]#cdRECOVERED_FILES/
37. [root@xifenfeiRECOVERED_FILES]#ll
38. total4 --phpfensi.com
39. drwxr-xr-x3rootroot4096Aug3121:36xifenfei
40. [root@xifenfeiRECOVERED_FILES]#cdxifenfei/
41. [root@xifenfeixifenfei]#ll
42. total20
43. drwxr-xr-x2rootroot4096Aug3121:36xff
44. -rw-r--r--1rootroot13231Aug3121:36xff.txt
45. [root@xifenfeixifenfei]#cdxff
46. [root@xifenfeixff]#ll
47. total16
48. -rw-r--r--1rootroot13231Aug3121:36xff.txt132
49. --恢复成功
50. --基于文件恢复
51. [root@xifenfeixff]#extundelete/dev/sdb1--restore-files/u01/xifenfei/xff.txt --phpfensi.com
52. Loadingfilesystemmetadata...160groupsloaded.
53. Loadingjournaldescriptors...23descriptorsloaded.
54. WritingoutputtodirectoryRECOVERED_FILES/
55. [root@xifenfeixff]#cdRECOVERED_FILES/
56. [root@xifenfeiRECOVERED_FILES]#ll
57. total0
58. --未成功

通过上述实验证明extundelete还是有很大的不完整性,基于整个磁盘的恢复功能较为强大,基于目录和文件的恢复还不够强大,不过该软件在很多时候还是有救火的功能,特别是当蛋筒的人员删除了数据库的部分文件之时.