Erasing files & folders in Linux Mint
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- Re: Erasing files & folders in Linux Mint
13-08-2017 4:03 PM
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I have an excellent program on my Windows machine that will erase/overwrite files and folders from 1 time to 36 times overwrite security.. I have tried to run this program in my Linux Mint 18.2 laptop. with WINE.. however it refuses to work !..
So now I want to erase/overwrite files and folders on a USB stick.. ( and in other places on the Hard Drive ). on the Linux machine...
does anyone know of such a program.. where you can specify the number of overwrites ?
Another progam I would like to run is CCleaner,.. but it doesn`t seem to want to run on Linux... any offers ?
Fixed! Go to the fix.
Re: Erasing files & folders in Linux Mint
13-08-2017 4:15 PM
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Try installing wipe
Read the documentation using man wipe
Alternatively, you could try installing shred.
"In The Beginning Was The Word, And The Word Was Aardvark."
13-08-2017 4:34 PM - edited 13-08-2017 4:39 PM
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@VileReynard Actually, just found "Secure File Delete" which seems to be the same as Eraser 6.2 using the "Gutmann overwrite method" on the Software manager...
Thanks for the pointer ! ...
cheers
Re: Erasing files & folders in Linux Mint
13-08-2017 4:51 PM
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Want to clean your browser cookies, just use the tools in the browser. Or install one of the many privacy tools for browsers.
Re: Erasing files & folders in Linux Mint
13-08-2017 5:15 PM
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@HairyMcbiker OK.. thanks... I`m learning !... is there a way to get that "secure file delete" to be available on the "right click" context menu ? when I click on the file I want to delete ?
Re: Erasing files & folders in Linux Mint
13-08-2017 5:26 PM - edited 13-08-2017 5:32 PM
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Doesn't it do that automatically? Don't use it so not sure.
OK you could try adding nautilus-wipe from synaptic, then run nemo, edit/plugins it should show in there.
Re: Erasing files & folders in Linux Mint
13-08-2017 5:38 PM - edited 13-08-2017 5:47 PM
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@HairyMcbiker No.. doesn`t appear... seems like I have to find it first... the input the files...then do the delete... what a lot of faffing. !
(doesn`t appear after doing a reboot either)... will go and have a look at that nautilus wipe.. neither does nautilus wipe... cant find it.. although it does say it is now installed... searching on the "all applications" on the menu... doesnt show it...
Re: Erasing files & folders in Linux Mint
13-08-2017 6:07 PM - edited 13-08-2017 6:09 PM
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@shutter OK just for you:
Try THIS attachment, (rename to .zip) extract which ever version you want and double click on it to install it.
Restart nemo, by typing "nemo -q" in a quick run box (F2)
You will then find wipe in the right click menu
Re: Erasing files & folders in Linux Mint
13-08-2017 8:33 PM
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The documentation for wipe includes (in part)...
It is probably only slightly paranoid, given the use of large intelligent disk caching.
NOTE ABOUT JOURNALING FILESYSTEMS AND SOME RECOMMENDATIONS (JUNE 2004)
Journaling filesystems (such as Ext3 or ReiserFS) are now being used by default by most Linux distributions. No secure deletion program that does filesystem-level calls can sanitize files on such filesystems, because sensitive data and metadata can be written to the journal, which cannot be readily accessed. Per-file secure deletion is better implemented in the operating system.
Encrypting a whole partition with cryptoloop, for example, does not help very much either, since there is a single key for all the partition.
Therefore wipe is best used to sanitize a harddisk before giving it to untrusted parties (i.e. sending your laptop for repair, or selling your disk). Wiping size issues have been hopefully fixed (I apologize for the long delay).
Be aware that harddisks are quite intelligent beasts those days. They transparently remap defective blocks. This means that the disk can keep an albeit corrupted (maybe slightly) but inaccessible and unerasable copy of some of your data.
Modern disks are said to have about 100% transparent remapping capacity. You can have a look at recent discussions on Slashdot.
I hereby speculate that harddisks can use the spare remapping area to secretly make copies of your data. Rising totalitarianism makes this almost a certitude. It is quite straightforward to implement some simple filtering schemes that would copy potentially interesting data. Better, a harddisk can probably detect that a given file is being wiped, and silently make a copy of it, while wiping the original as instructed.
Recovering such data is probably easily done with secret IDE/SCSI commands. My guess is that there are agreements between harddisk manufacturers and government agencies. Well-funded mafia hackers should then be able to find those secret commands too.Don't trust your harddisk. Encrypt all your data.
"In The Beginning Was The Word, And The Word Was Aardvark."
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