Questions tagged [shred]
The shred tag has no usage guidance.
18
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Recover a file after shred command
Let's say I have some sensitive files in my computer and I want to completely delete them so that no one can ever retrieve them.
For that, I can use the rm command, but it's still easily recoverable. ...
- 121
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How to write a hard disk filling file with shred to erase disk data?
It is possible to obtain the searched result in the following two known but not searched ways:
dd if=/dev/zero of=/path/to/mounted/partition/my_file.txt bs=64k
But would it be possible to use to use ...
- 93
2
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1
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Which Linux shell command can completely remove a file from the system and make it unrecoverable?
Which Linux shell command can completely remove a file from the system and make it unrecoverable ?
I have tied rm and shred but they have their limitations:-
rm --help
and see the information, you ...
- 21
0
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1
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Is it safe to trust the `shred` command to delete a file on a modern hard drive?
I heard that hard drive cache can mess with the shred command making it not useful on modern hard drives, but I can't find any other evidence to back up that claim.
- 101
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Will tools like shred, wipe or dd (or hard drives in general) check that a write was successful?
I usually use shred to delete complete hard drives.
But I was wondering if and how tools like shred, wipe or dd verify that the expected bits end up on the hard drive.
Does a hard drive always check ...
- 101
0
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1
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211
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Quick permanent erase with 3 modes of unnecessary files, short time and recovery search optimisation [duplicate]
My sister asked me to back her photos up to my external HDD and to format his laptop. Days later, my external HDD suffered a fail, resulting in loss of photos. I used Windows' Recuva, Linux's RD-Linux ...
- 103
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How to scramble a directory name as part of a secure erase under Linux?
There are many tools available for Linux to securely erase data on a per file basis: shred, wipe, srm, ... you name it. Related instructions and advices typically focus on the contents of the files to ...
- 101
0
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1
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488
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How to verify that a shredding has been done?
I want to test a magnetic disk to be (quite) sure a shredding has been done.
Hypo1 : a shred -n 3 was applyed
Hypo2 : a shred -n 1 was applyed
Hypo3 : no shred was applyed
How to test in which state ...
- 165
1
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1
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55
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Does one can detect previous OS data on memory card of Raspberry Pi?
1) I freshly installed Ubuntu Mate on Raspberry Pi and updated it and installed all required packages I need. Then I create disk image of that SD Card using Card Reader on Another PC as 'Backup Image'....
- 123
3
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2
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10k
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how to securely wipe an AWS EBS volume (mag drive and SSD)
I have an SLES 12 SP1 system running on AWS. I need to "wipe" the EBS volumes before deprovisioning them as a customer requirement. The data is sensitive in a commercial way only (no TLAs). Is shred ...
- 189
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1
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What if any are the limitations of UNIX shred to wipe NTFS Windows disks?
Before I shred a NTFS disk with Ubuntu, can I count on shred to overwrite all data? Perhaps there is a better question to ask: please feel free to add additional questions that serve to trigger ...
- 1,225
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1
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2k
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How do I shred just the first and last part of a device?
The shred command (of coreutils 8.23) overwrites a device with configurable data from beginning to end which is perfectly fine for the use cases it is designed for (which are all related to write ...
- 2,332
15
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3
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Complete wiping of hard drive - shred, wipe or dd?
I need to wipe all data of a number of hard drives, from Ubuntu Linux. I have found three command line tools: shred, wipe and dd. It seems kind of random what people recommend. Sometimes someone ...
- 1,499
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shred command overwrite value?
I'm trying to determine what shred uses to overwrite a file. Here's the description:
Overwrite the specified FILE(s) repeatedly, in order to make it harder
for even very expensive hardware ...
- 12.3k
-5
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2
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How to fix the computer?? Typed sudo shred -rfz ~/* (or something like that) [closed]
One &^%@&& advised me to press alt+f2 and then type the above. And i did it... on my Dad's computer. He's furious now. How to fix this?
