12 Linux System Recovery tools

Computer crashes, hard drives crash, spend huge money on a first aid protector ... It's all a dark side of the computer.
Time has been walking like this, walking, not a day to carry a little. There is no point in worrying about the loss caused by computer damage. Conversely, using the right tools minimizes the loss.
Did you accidentally delete your souvenir picture? When installing a new system, erase the partition table? Can't read data from an old CD? Don't worry. We will recommend some free system first aid tools to help you get out of your misery ~~:>

To install Ubuntu system Friends, you can use the Package Manager to install the following programs, search the program name can be installed. We are just a brief introduction, specific you see the software introduction can ~ ~

1. Photorec-Recover lost data from various crashed media
You do not have to bother to erase your hard drive data, an "RM" command can be used improperly may help you ~ ~ Hehe ~ The graphical environment of sentient beings can be restored you just accidentally deleted the data. But how to recover the holiday photos on the CF card just after deleting it?

PHOTOREC: The ability to undelete files from roughly a week ago, supporting more than 300 popular file formats, including Zip, HTML, PDF and JPG, and more. No matter what file system, support hard disk, USB, memory card, ipods, etc., can read data on FAT, NTFS, EXT2/3 and hfs+ partition.

2.e2fscktools-checking and correcting file system
The tool detects and corrects EXT2, EXT3 and EXT4 file systems. For other file systems, you can use Xfs_ repair, jfs_fsck,fsck.resiserfs for detection and repair.

E2FSCK: You can use E2FSCK to mark disk bad areas.

3.ntfsresize -Change the NTFS partition size
This version is included in the general Linux mainstream release to help you change the WINDOWS32 bit 64-bit partition size. can detect nifs partition errors, increase the file system to reduce.

4. fsarchiver– copy Entire partition
The effective way to avoid damaging the disk is to do the backup . The tool can compress data, save space and backup data is read-only format.

5. chntpw– Reset Windows Password
If you forget your Windows password, you can use the CHNTPW tool to reset your password.

6. sfdisk– Backup Partition Table
If you install multi-system, it is easy to cause the partition table confusion. The tool is tied to each Linux distribution and can be used to back up, edit, and restore partitioned tables.

Backup partition table with sfdisk-d/DEV/SDA > Sda_table.txt, SFDISK/DEV/SDA < sda_table.txt recovery partition table.
sfdisk-d/DEV/SDA available if RAID is installed | SFDISK/DEV/SDB the Backup partition table.

7. ddrescue– Rebuilding a damaged disk
Older hard drives often have read errors.

Destroy the disk with a ddrescue backup, and then try to repair the backup.

8. rsync– Remote Backup
You can use Grsync backup.

9. gag– Advanced Boot Program
If you install multiple systems, you can easily break the MBR and switch to the gag boot program.
The gag is installed in the primary or logical partition, can boot 9 different operating systems, the configuration is simpler.

Although it is a graphical interface, most operations are still operated by the keyboard.

inquisitor– Hard Drive Test
Test the hard drive from time to times to solve the problem earlier. Inquisitor Live CD has a lot of modules to test various things, such as hard disk, hard disk controller, USB, CPU, memory and so on.

One. chkrootkit– Detection rootkits
Use this tool to detect the installation with many well-known rootkits and scan for intruders.

md5deep– Searching for lost files
If your system leaks, intruders may use malicious files instead of the original files. Md5deep can be used to record system file hash directory. Use this tool to find lost files by hash.

article Source: Open Source China community

12 Linux System Recovery tools