Ubuntu Security :: Secure Delete/Shred Files And Folder?

Jun 27, 2010

I don't use the Trash bin because it does not really delete things,speaking from a security point Instead, I gotten used to 'shred' and 'secure-delete' .But to move around files, cut-n-paste is very handy.And I was wandering if items from the Clip get stored somewhere ?i realize that they get overwritten again and again in the clipboard but do they also get stored somewhere else?

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Ubuntu Security :: Secure-delete Won't Work On Larger Files / Sort It?

Sep 16, 2010

I'm trying to clean a hard drive and I'm using secure-delete but it just stands there and takes cpu power but nothing happens, I used -r switch first and nothing, so I tried it on single files, small pictures worked as intended but a simple 50MB MPG file just stands there as well and nothing happens.

I left it running for 24 hours and nothing happened but the cpu was working at 90-100% all the time :/

Any one know what's wrong? I'm using 10.04 UNR

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Ubuntu Security :: Secure Delete Ext4 Kernel Patch?

Aug 26, 2011

Does anyone know if this kernel patch has been applied to any 11.04 kernels? [URL]

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SUSE :: Secure Delete Of Trash Files?

Mar 19, 2010

i have an issue due to some high security requirements. what i want to do is to remove the files in trash folder permanently from the memory so that they cannot be recovered again. am aware of the "shred" command but i dont know if it can reach to files that are already in trash.I have found a solution but it requires to fill the whole unused memory with a file that consist of some ramdom bits and than deletes it:

dd if=/dev/zero of=zero.small.file bs=1024 count=102400
shred -z zero.small.file
cat /dev/zero > zero.file

[code]...

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Fedora Security :: How To Secure Home Folder

Mar 19, 2010

How to secure the Home folder. I forgot what the script was?
Something like chmod 0700 $HOME. Is that right? I'm just not sure.

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Fedora Security :: How To Delete Folder Without Root Permission

Apr 23, 2009

I have a system in which I do not have root access to. On that system, I have my own directory which I share with other users. I am trying to clean it up when I noticed that there was a subdirectory created by another users in my group that I cannot delete. It has all the permissions set besides global write. How can I delete this folder without root permission? I can't even chmod or chown it.

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Fedora :: Allow User To Save/edit/delete Documents In A Folder But Not Delete That Folder?

Sep 6, 2011

Recently I setup a system for a non-technical user. He is only using Firefox, Pidgin and OpenOffice for about 2 hours a day. I have created a folder "/home/jim/myFiles" where he can save his document files. But Jim has accidentally deleted his myFiles folder on 2 occasions. He had intended to delete a file in that folder. Is there a way to lock the folder so that the user and create/read/write documents in that folder but not delete the folder itself?

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Ubuntu :: Delete Files That Aren't On Another Folder

Feb 5, 2010

I've been organizing my pictures (i.e. deleting the bad ones). However, I've recently got hold of those same pictures on a higher resolution and I'd like to delete the same pictures of the higher resolutions.This means that I'll have two folders, High Res and Low Res. I'd go through all files in the High Res folder and I'll check if there's a file with the same name in the Low Res folder. If there is, the file in the High Res folder will be kept. Otherwise, I'll delete it.So I wanted some quick way to delete PIC1.JPG, PIC3.JPG and PIC4.JPG from the High Res folder.

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Ubuntu Security :: HD Crashed, No Boot, Some Sectors Read, Access Secure Files?

Jun 17, 2011

I was running a 2-partition hard drive, Windows Vista (lamentably) on one partition, and the other running Ubuntu. I began having trouble with the Vista partition, so I attempted to move as many of the files that I really wanted to keep as possible over to the Ubuntu partition, and then reformat and reinstall the Vista partition. As a result, I could no longer boot to Ubuntu, and I consistently got errors back from everything that I tried on the Vista partition.

The only way that I can now access anything on the hard drive is to insert the Ubuntu install disk, go into trial mode, then mount the partition. At long last, here is the problem: Is there anyway to possibly make the partition bootable again so that I could burn the files to a disk? From trial mode I can get to a number of the files on the mounted partition, HOWEVER, they are secured with the username and password of my user account on that partition. Is there any way that I can access the files from the trial mode by entering my username/password?

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Ubuntu :: Create A Folder Where You Can Copy Files To But You Can't Delete Them After?

Nov 24, 2010

i'm confronting atm. I need to create a folder where ppl can copy files and i need to be sure that those files cannot be deleted after they are copied there. The folder will be accessed over network, and i need to be sure no one will delete somebody else's files.Also i need to tell you that i'm working with regular users, so creating a folder for each user and chown/chmod-ing it won't do the trick(allready tried and ended up with a whole lot of files in the parent directory).I also tried chattr +a but that doesn't allow them to write new files in the folder.

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Security :: Ways To Secure Sendmail Or Secure Alternatives To Send Mail

Dec 1, 2010

I'm an Oracle DBA and started working for my current employer about 4 months ago. This past weekend an alert re: FS space brought my attention to /var/spool/clientmqueue (full of mail re: cron jobs) and the fact that sendmail is not running on our Linux servers.I'm told that the IT security team deemed sendmail too vulnerable so we don't run it.Aside from FS filling up and missing notification of issues with crontab entries, I'm concerned that we may be missing notification of potential issues. In other Unix/Linux environments I've seen emails from the print daemon when it experienced problems with specific jobs.

Are there other Linux facilities aside from cron and lpd that use email to advise the users of possible issues? Are there ways to secure sendmail or secure alternatives to sendmail? My primary need/desire is to make sure that emails regarding issues on the server get to the appropriate users. Secondary goal would be to have the ability to use mailx to send mail out. There is No need/desire to receive mail from outside.

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General :: Delete Files In Folder Before Todays Date?

Sep 14, 2009

I currently have a command to backup a directory it will zip the directoryand place it where i have told it too, Now what i am after is a command i can run before my code, that will delete and tar.gz files before todays dateso i my ideal world it would be something like this, delete <'date +%m_%d_%y'.tar so this will delete all the files in this folder before todays date,

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Ubuntu Servers :: Automatically Delete Files Older Than 6 Months In Folder

Mar 27, 2010

I have server running ubuntu. There is folder /var/netflow and I have there files, which creates every 5minutes new ones(monitoring traffic on network). And I need to delete files older than 6 months manually. Can you help?

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Ubuntu Security :: Delete Files Off Journaling File-system?

Feb 19, 2010

I have some very confidental files on my computer that I store such as credit reports, and other things. I always encrypt them with GPG, but there still is that original non-encrypted file left that needs to be deleted. I looked into tools like wipe, and shred but they all say that it really doesn't help on journaling filesystems directly on their man page.

I am not asking how to wipe the whole drive with dd or anything, but I am simply asking if there is a tool that'll delete a single file securely.

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Ubuntu Security :: TRASH Causes Crashes, REFUSES To Delete Files?

Dec 16, 2010

I hope that I'm posting this thread in the right place. This involves a very unique problem which has caused the .Trash-1000 folder for my external USB drive to become corrupted, to the point of causing massive heat problems which then causes my system to crash, i.e. become completely inoperable, forcing me to do a hard reset.

The scenario: Recently I went through all of my backup data which is what I use that external USB drive for. After finding several GB of data files, some dating back 2 - 3 years from a root server that I used to have, I went ahead and tried to delete all of those files. Well, with exception to 3 folders, containing no more than perhaps 35 files which totalled less than 8 MB in space, everything was deleted properly without a hitch. The files that couldn't be deleted prompted some strange "couldn't delete blahblahblah file due to input/output error" message. One message for each file that couldn't be deleted.

Now mind you, I can open these files, look at them, rename them, copy them, but I cannot delete them. Still being pretty wet as far as Linux is concerned, I tried numerous suggestions that I could find on the internet, all of which had to do with file permissions in one form or another. I've tried everything that made any sense and still can't delete those files.

All of the data is my own, all of the hardware is mine, and I'm the only one using this machine. I'm not attempting to do anything illegal. Then I figured, smart as I am, why don't I just assign ownership of the .Trash folder to myself via the chown -R command, followed by deleting the files afterwards. Okay, the chown command gave me no error, I assumed all was well since it's my USB drive to begin with and since it automounts during every restart anyway. I just figured that this would be something to try. BIG MISTAKE !!!

My system runs just as perfectly as before, with but one exception. NOW, when I attempt to delete those files that I couldn't delete before, I don't get an error message anymore but the CPU starts hyperventilating during the deletion process which goes on endlessly (remember, we're taking about less than 8 MB of data) ... ultimately causing the system to crash, i.e. become totally unresponsive. NOW, if I delete additional files from that USB drive and then attempt to empty the trash, the newly deleted files take substantially longer too now. Not as long as the original "bad files" but still quite long. The drive itself checks out fine and it's not a dual-boot system with Windows. Just did a virus check recently too and everything checks out in that regard as well.

Can someone tell me how to reassign whatever original values there were for that external drive .Trash folder? I think if I could restore those values to whatever they used to be before I used the chown -R command, perhaps then everything would be fine again as far as the crashing is concerned. HELP ....
(Please take a look at the screenshots too)

The last screenshots shows "preparing to delete" which takes a very long time. Then it takes anywhere from 15 to 45 seconds PER FILE before that miniscule file is actually supposedly deleted. Eventually, after a few files are deleted, the system crashes. I wrote "supposedly deleted" because after a reboot the files are still there .

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General :: Finding A Recursive Shell Or Perl Script To Delete Files With The Same Name As The Parent Folder?

Jun 29, 2010

is there a recursive shell or Perl script to delete files with the same name as the parent folder? i wish to include the starting folder name as argument to the script.

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Security :: Blacklist Syslogd - Auto Delete Log Files?

Mar 30, 2009

I have read in some book that syslogd keeps lots of logs that with the time consume a considerably part of your hard drive. I know this is very nice feature and all that, but sometimes privacy in this competitive world is a matter fact. Here goes the questions: Is it possible to 'auto delete' the syslogd files automatically? May the destruction of the logs make some hangs on my system? May some program need the daemon to function properly?

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Ubuntu Security :: Set Permissions Like Windows - User Can Delete Files But Can't Modify

Jul 16, 2011

look at this : Uploaded with ImageShack.us how can set permissions in linux like this? I want one user can delete files but can't modify them and ... in linux i have 3 group to assign read write and execute them. is ntfs flexible than linux file system?

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Security :: Site Definitely Hacked - Can't Delete Files To Restore Backup

Apr 9, 2010

I've discovered that after restoring my site's backup this has happened to me again. How to delete the hacked /home/crocbits directory so that I can restore the backup under the same username. When I try to delete /home/crocbits I get this message when logged in as root:

[Code]...

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Ubuntu :: Folder Wont Delete \ Whenever Try To Press Delete Noting Happens?

May 9, 2010

SO after using Testdisk to recover some images, the folders recup_dir.1 & 2 have saved in my FIle System area, when ever I try to press delete noting happens. I have also tried rm -f -rrm -f -fIt still dont delete, I have also deleted my user account and made a new one, but the files are still there.

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Ubuntu :: How To Use Secure-Delete Software

Feb 5, 2011

I downloaded "secure-delete" from the Ubuntu Software Center, but it doesn't have any instructions, there is no website, and it does not appear in the Apps tab. I can't even begin to begin using it. How do I get this going? I haven't the faintest idea how to use the terminal programs.

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Ubuntu Security :: Changing Permissions Of Files To Reflect Their New Folder?

Jan 4, 2011

I have a shared folder set up that allows all users on the computer to have access to all the music on the computer. In the folder with all the music the group 'music' has permission to add and delete files and all users are members of 'music'. This should allow all users to have complete access to these files, however, when I add files to the folder they retain their original permissions and do not take on the permissions of the folder. I could change the permissions of the files to reflect the folder every time I add a cd. But that is annoying. What I am wondering is if there is any way to make files automatically reflect the permissions on the folder they are moved into.

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Ubuntu Servers :: Samba - Access Folder To Delete Or Restore From The Recycle Bin Folder

Apr 24, 2010

I'm using ubuntu server 9.10 for a home build NAS. Everything is working great just have one more thing to figure out. I have Samba set up to access my files and I set up a recycle feature so anything deleted will get moved to a Recycled folder. (I learned this the hard way after hitting delete key by accident while browsing the shares in windows. Lost 100 GB of data)

Now it is for the most part working but the permissions on folders isn't getting set right. If I delete a file in a share I can go to Recycle bin folder and delete the file for good. But if I delete a folder I can not access that folder to delete or restore from the Recycle bin folder. I have to chmod the folder before I can do anything with it. Anything I can change to get folders deleted via windows to have the right permissions when it is moved to the Recycle bin folder?

[Code]///

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Ubuntu :: Hidden Cache Folder In Home Folder - Safe To Delete?

Jun 8, 2011

upon browsing the home folder in my ubuntu system, i came across a hidden cache folder..

it occupied around 700 mb of space..and im falling short of space..

can i delete the contents in the folder? are they safe to delete?

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Ubuntu :: Delete Remaster Folder From Home Folder?

Jun 13, 2011

I have Ubuntu Jaunty 9.04 updated to 9.10 and have downloaded Remaster from Remastersys. I followed all of the instructions, which were simple enough. However, there must be some instructions missing as the process failed. Working with Remaster through Synaptic Manager, the iso was downloaded into my "home" folder into its own Remaster folder. It was not the iso, like you get when downloading a distro from the Internet, which downloads just an iso onto the Desktop. Inside the folder were a bunch of empty files (I know, because I opened them) and an iso . At this point the Remaster instruction stop. They do not say what to do with the other files, or what they have to do with the iso of my Ubuntu layout. So, like any other iso (once I knew which one was the iso of my setup), I double clicked on it and it ran me through the process of accessing the DVD to burn it. Which I did. I tested it and it failed with some kind of message to the effect that certain files were missing or it could not read it. So, I thought, I would have to do the 'hunt and peck' method and experiment a few times like I did with the ordinary distro downloads until I get it right. But first, I would have to dump the Remaster folder in the "home" folder since it took up so much space on my hard drive. Wrong! I come to find out it is in something called "root" and that I do not have permission to do anything with it but "copy" it. Great. Just great! Now what do I do. I tried to change permissions, but was not allowed to do that either. The only thing I could think of - and dread - was the idea of having to wipe my hard drive and go through the whole reinstall procedures, which takes me days, just because Remaster has locked itself into my system - and there is no 'back door' to get out of it.

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Ubuntu Security :: Permanently Delete "Deleted Files" From Hard Disk?

Feb 6, 2011

How do I erase my hard disk of "Deleted Files"?I mean how do I make "Deleted Files"-----> "Non Recoverable"?

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Security :: Missing A Secure.log Or Security.log File

Jul 11, 2010

I seem to be missing a secure.log or security.log file. I have Ubuntu 10.04 and can't find this file. I looked in the /var/log and ran a search command to no avail. Does anyone know where this file is or is it called something else. I'm looking for a file that logs any change to the security settings of the system.

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Ubuntu :: Rsync --delete Doesn't Delete Superflous Files

Sep 25, 2010

I am trying to use an old box as backup server. I have tried a couple of possibilities along the lines of:

Quote:

rsync -a --delete --progress --log-file=/home/$USER/info.txt -e ssh /home /etc root@192.168.0.106:/mnt/back

The problem is it does not delete files that has been removed from my local system?
I run the command as root on the local system.

(I realize I should properly not ssh into the server as the server's root but I'm having trouble with the permissions and I want to make sure everything else works before messing around with it)

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Ubuntu :: Can Delete These 'un-delete-able' Files In Trash?

Nov 1, 2010

I just can't stand knowing that there's a slight problem with my PC.I have roughly 12.5 Gigs of files, mostly movies that are multiple clones of a particular movie (which was an entirely different problem altogether) and I CANNOT DELETE THESE THINGS! There has to be a simple way to do it from terminal, problem is, I can't seem to find the trash directory in terminal.

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Ubuntu Security :: Configure The Share And Folder So That The Win7 Client Can Create Files And/or Folders In The Share?

Jan 15, 2010

I've just installed Ubuntu 9.10 and Samba 3.4. I've shared a folder and have accessed the share from a Windows 7 client. However, I've struggled to configure the share and folder so that the Win7 client can create files and/or folders in the share. Kept getting Permission Denied errors. Finally, (using Webmin) I set the permissions on the file folder so that "Other" had write access. I don't understand why this was necessary (and how unsecure this is). I already had the write access checkbox ticked for "User" but it wasn't enough.

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