Questions about the loss and recovery of data.
Questions tagged [data-loss]
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…
You'reAGitForNotUsingGit
- 14,969
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…