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Using testdisk to recover data11/12/2022 ![]()
They read the hard drive sectors one by one, block by block, and find correlated blocks. Since only the metadata is lost, the job of the tools is to make the meta available for the operating system for reading. USING TESTDISK TO RECOVER DATA FREEThe operating system no longer can detect the file because it’s metadata is lost and hence considers the blocks free for writing new data. Each block of data is written one at a time at the speed of the hard drive.īut when we delete a file, only the first block which contains the metadata is deleted. The first block usually contains the metadata for the file in question. When you store data on your hard drive, the data is stored in blocks. Noticed how saving a file on the hard disk takes time, but deleting is almost instantaneous? Let’s understand that first. You can look for the file that you want here since the filenames aren’t restored by PhotoRec. Great, we now have a list of all the files that we deleted previously. You can access the files even when the recovery is in progress. Photorec Files Recovery CompleteĪ folder named recup_dir will start to restore all the files that were recovered. It may take some time depending on how many file types you’ve selected. Great! So we’re all set to let PhotoRec restore deleted files for us. Once you’ve finalized the folder you want to start looking into, press the letter C and the program will begin searching for files. This is where the command will start looking at by default unless you navigate to a specific folder on the next screen. You might have noticed, when I ran the command, I was in the ~/Desktop directory. Now select if you want the utility to only look at free sectors or the entire drive. Next is to select the partition type which in our case is ext4. Select the file type that you’re looking for and proceed. Anything else is unnecessary and will just consume more time. Photorec Partition Selectionīefore you proceed, make sure you select the file type from the file options menu which you can access on the partition selection screen.Īs we know, we’re only looking for our JPG file, I’ve selected that extension. The next screen will ask you to select the partition that you want to run the recovery process on. When you’ve started PhotoRec, select the hard drive that you want to run the restore operation on and hit the enter key. To make things easy, navigate to the directory that you want to run the recovery on prior to running the command. Running PhotoRec and Begin Scanning For Deleted Filesįor this demonstration, I’ve created a random image file and deleted it. USING TESTDISK TO RECOVER DATA DOWNLOADOnce the setup is complete, you can download and run the Photorec utility using the command below: sudo photorecĢ. USING TESTDISK TO RECOVER DATA INSTALLTo install PhotoRec, run the below command: sudo apt -y install testdisk It comes packaged with the testdisk utility and not as a separate package. How To Recover Deleted Files in Linux using PhotoRec?īefore we begin, we need to install PhotoRec on our Linux system. That’s not to say PhotoRec cannot be used for other file types, you sure can. That’s why the name “PhotoRec” which is short for “Photo Recovery”. PhotoRec, on the other hand, was created to recover media files that were deleted from SD Cards and other removable media. TestDisk was created by CGSecurity to recover deleted partitions. USING TESTDISK TO RECOVER DATA HOW TOLet’s find out how to use PhotoRec to recover deleted files. In a previous tutorial, we discussed the steps to recover deleted files using a Linux utility named TestDisk and the PhotoRec utility is created by the same company. Accidentally deleted files or photos? In this tutorial, we’ll learn how to recover deleted files in Linux using PhotoRec. ![]()
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