Questions tagged [data-loss]

Questions about the loss and recovery of data.

158 questions
113
votes
4 answers

How to mount a hard disk as read-only from the terminal

How do you mount a hard disk from the command line as read-only? I don't want or need a link to the man page, I want the exact thing I will have to type in if the following is true: disk to mount is on /dev/sda it is 2 TB -it is critical that I…
wardr
  • 2,429
17
votes
5 answers

Is there a way to recover files from a storage device partially overwritten with dd?

I'm an idiot, I was writing an image to a USB drive using dd when instead of typing /dev/sdb I typed /dev/sdd and wrote the 135mb image to my 750gb External Hardrive full of files. Is there ANY possibility of recovering the files or did dd…
japzone
  • 1,283
16
votes
3 answers

Some files not showing up in file manager, but definitely are there

I have got the most strange problem, I downloaded 4 images yesterday, then cut and paste them using Nautilus into a sub-folder of my Documents area. I then closed Nautilus and went on with my normal business. However later on I needed to send the…
user364819
14
votes
3 answers

How do I open Access-Your-Private-Data.desktop?

Help how do I open this. the README file says THIS DIRECTORY HAS BEEN UNMOUNTED TO PROTECT YOUR DATA. From the graphical desktop, click on: "Access Your Private Data" or From the command line, run: ecryptfs-mount-private How do I run this so…
Rebecca H
  • 141
11
votes
4 answers

"Wrong ufstype may corrupt your filesystem" - Should I be worried?

I was just now looking through /var/log/syslog and I found these line which worried me: ufs: You didn't specify the type of your ufs filesystem May 5 09:06:09 Bath-Towel kernel: [ 425.626221] May 5 09:06:09 Bath-Towel kernel: [ 425.626221]…
user364819
5
votes
1 answer

Have the Linux kernel bugs that caused data loss when using a Samsung 850 Pro SSD been resolved?

I just got a brand new Samsung 850 Pro SSD, and I would like to install Ubuntu 14.04 onto it. I have read some pretty ugly stories of data loss with the 850 series SSDs when using Linux due to bugs in the kernel, as well as bugs in the TRIM…
5
votes
1 answer

Fastest way to copy lots of data

I have to copy a lot of files (60000+) between two servers, which is approx 5TB of data. I've tried mounting the backup server as a folder, and copying the files that way, but I couldn't get the permissions to write files right. So I thought of…
Roffel
  • 63
4
votes
1 answer

rabbitsvn deleted **all** my folders?

I was working with rabbitsvn and trying to export a file from an older revision, when suddenly all programs in the background just shut down. I go to my "Home"-folder to find out that all (!!) my folders and data except a single one has been…
BillyJean
  • 977
4
votes
2 answers

Lost phone : is Ubuntu One login linked to SIM card?

I recently lost my phone and I'm now trying to reset all logins I could have configured before a mess starts. Some of them are protected since the login is linked to the SIM card (for instance google) : if the SIM is replaced, the login is not valid…
gdupont
  • 194
3
votes
2 answers

Is my rsync backup method safe?

I made a very simple backup script using rsync that backs up some folders to an USB stick. This is just for quick daily backups. The command is rsync -av --delete followed by --exclude options and the paths. But now it occurred to me that this is…
alain
  • 215
3
votes
0 answers

How to analyze abrupt session restarts?

Sometimes, my Ubuntu session abruptly restarts without a warning. Sometimes my documents are lost (for example, once my Libre Office Writer document gets lost). How can I analyze the issue?
3
votes
1 answer

Can I keep my files intact while upgrading ubuntu

I am planning to upgrade to ubuntu 13.04 from 12.10 when it is going to be launched on 25 April. My files storage memory is 300GB and I do not want to buy another external HDD to create a backup and save hours creating another backup. There is…
Saket
  • 893
3
votes
1 answer

Is it possible to recuperate a file overwritten by Ubuntu One?

I had an .odt file which was synced via Ubuntu One. I made changes on the file on my Ubuntu Computer. To check whether the file was synced I opened it on my Windows computer. It was not synced, but Ubuntu One thought it was and because I opened the…
don.joey
  • 29,392
3
votes
4 answers

Permanently erasing external hard disk data

I have a seagate hard disk which is under warranty for next 4 years. I always had a problem reading this hard disk as I had to tilt the usb cable for it to make proper contact with the pins. However, for last 2 to 3 months, it has stopped working…
3
votes
1 answer

Will I lose the already installed applications if I upgrade from ubuntu 18.04 to 20.04

I spent a lot of time installing several extensions and third-party applications from the software centre in ubuntu to customize the look and feel of the os. Also, I have a lot of Softwares installed like PyCharm and sublime text and vscode. All of…
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