Questions about the recovery of passwords.

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2
votes
2answers
19 views

How can I use sudo after locking my password?

I was reading about passwordless authentication with ssh. So I made a key and published it to my Ubuntu server, and it worked well. Then decided to lock my password with passwd -l lucas, and I was ...
0
votes
0answers
29 views

How can I get a new account password using superx

okay I am using SuperX which is an Os based on KDE I am not sure if i can get much help here but lets give it a try. I am trying to install a new Os onto my computer, but it wont allow me to install ...
0
votes
0answers
23 views

Lost Admin password [closed]

I am using the Zorin 8 OS and have lost my admin password and so cannot download updates. How can I recover/change the password? Incidentally, I am a totally lay person about programming.
0
votes
1answer
65 views

How do I access the recovery menu

I want to change my root password but I am not able to access the recovery menu. I followed the steps given here. I choose the advanced option from the grub menu and then the recovery mode, but after ...
0
votes
1answer
73 views

Not able to login through root user [duplicate]

I have installed Ubuntu 14.04 LTS . During installation on my Windows PC using VMWARE Player, it asked a username and I provided one. But now after successful installation, I also want to login as the ...
0
votes
0answers
21 views

Boot problem 12.04.4 LTS [duplicate]

Good morning to all. I cannot make my system boot. I went into recovery mode and I always get the same message: The system is running in low graphics mode. Your screen graphics card and ...
0
votes
0answers
27 views

Can't load GRUB menu on MacBook 1,1

I have a first-generation MacBook that I had turned into a single boot Ubuntu (13.04) machine sometime last year. I pulled it out for the first time in a while, and found I had forgotten the password. ...
0
votes
1answer
73 views

Lost Password, Problems with Downloading anything except simple thingls like word documents, prsentations and pictures [duplicate]

I lost my password for my Ubuntu account. I recently moved here from XP and have no idea what to do. I'm an youtuber and need a recording software.The account with my password was the administrator ...
0
votes
1answer
66 views

Cannot access master account [duplicate]

I hope i'll be able to explain this well, so pls bear with me... Firstly, I got Ubuntu 12.4 I forgot the password for my admin account, so i changed it in thhe grub- in recovery mode. after i've been ...
0
votes
0answers
157 views

How to install John the ripper in ubuntu 14.04 QT4 amd 64?

I need John The Ripper, for some purpose of mine. And I have downloaded the newer version from this website along this I downloaded the signature. But I don't know how to use and before that how to ...
0
votes
0answers
52 views

Reset Administrative Forgotten Password? [duplicate]

I forgot my administrative password, and I already tried going into recovery mode, where I selected the "Drop to root shell prompt." I did the method of typing: "passwd " but then I get the ...
0
votes
1answer
98 views

forgot password for another one user account created in my system, how to solve it? [duplicate]

I have two user accounts and forgot one user's password. I have tried to reset it from the boot menu. After selecting recovery mode I have selected Drop to root shell prompt option but then it asked ...
0
votes
1answer
88 views

Backup and restore user passwords

Is it possible to make a file copy to backup users password and then restore them by copying them back? It seems that the file in question is /etc/shadow as per ...
0
votes
1answer
127 views

Can't access recovery mode, for dual booting comp, by holding shift

I used Wubi to install Ubuntu without a CD or USB. I cannot get my (username - password) combination to work even though I'm 100% sure I typed them in correctly when installing via Wubi. I read this ...
0
votes
1answer
147 views

How to Retrieve Password? [duplicate]

I cannot upgrade to 14.04 since it requires authentication. How come my password is always denied when in fact i have not changed it so far? how can i retrieve my password when there is no option of ...
0
votes
0answers
14 views

Trouble Resetting Root password [duplicate]

I am having trouble resetting the root password using all but the most drastic of ways but I am still unable to change it! The error message is as follows: Sorry password does not match (even when ...
0
votes
0answers
305 views

Why won't Ubuntu let me log in?

I installed Ubuntu 14.04 but after installation I cannot log in with my password. I tried the tried-and-tested route of resetting a password (rebooting into root console, remounting / with rw, ...
2
votes
1answer
205 views

How do I reset or recover my root password?

I have forgotten my root password after changing it. Is there a way to recover or reset it. I really do not want to reinstall Ubuntu again.
-2
votes
2answers
110 views

Forgot ubuntu passwords and would like to start fresh [duplicate]

I installed ubuntu on a Windows Vista laptop last year, didn't use it much and now am trying to update to newer version and run other updates that it lists, but it asks for my password and I have no ...
1
vote
0answers
94 views

How to set a password on recovery mode in GRUB

Any one can reset the root and other user's password by going in recovery mode. SO I want that on the recovery option GRUB require a password to enter in recovery mode. But user can login UBUNTU ...
0
votes
0answers
9 views

Password not recognized [duplicate]

I updated the Ubuntu version, and when I enter my old password the screen goes black and goes back again prompting my password once more. The password is correct as the "wrong password" message does ...
0
votes
0answers
442 views

passwd : Authentication Token Manipulation Error

I couldn't use the command mount -rw -o remount / . This command asks for sudo password and then when i typed my password, it shows Your password has expired. It is almost a deadlock now. Somebody ...
0
votes
0answers
13 views

I've lost my secuity password [duplicate]

I've lost the main password to my computer and can only boot from C.D how do I reset it to access my computer from itself?
0
votes
2answers
89 views

How do you reset your password for thunderbird?

I am trying to set up a Thunderbird account, but it keeps telling me that my password is wrong. When I went to Edit/Preferences/Security/Passwords, I discovered my suspicions were correct. But I think ...
0
votes
0answers
26 views

I want to reset every password [duplicate]

I started my Ubuntu based laptop after 2 years and now I forgot every single password, when I try to install anything, I am prompted to type authentication password. Can any one me? I want to reset ...
0
votes
0answers
26 views

Reseiting forgotten admin password on ubuntu 13.10? [duplicate]

I have dual booted my pc with win7 and ubuntu 13.10.Now I have forgotten my admin password on ubuntu 13.10. How to retrieve/reset the password?I tried mount -rw -o remount/ command but manipulation ...
0
votes
2answers
281 views

On each sudo command I get [sudo] password for root:

I have run a script https://github.com/starlilyth/Linux-PoolManager to install it and I have run into the situation where on each sudo command I get the prompt: [sudo] password for root: the ...
0
votes
1answer
26 views

How Do I Share A File With Other Users?

I am using ubuntu 12.04 lts and i shared a file call SET. When I Open The GUI, and click on browse network and press HARSHITA-HP-PROB it takes me to Then i press SET and it asks for a password which ...
2
votes
2answers
222 views

I was trying to change my password, on my user account and accidently pressed enter too fast. Im running 12.04LTS

Im running in 12.04LTS on a Dell Inspiron Mini 910 - with default specks. I really just need to get this fixed. When I use the sudo passwd root command, it still says I cant change it, the account is ...
0
votes
1answer
251 views

How to recover password from ubuntu installed on sd card?

I've got my Ubuntu 13.04 ARM installed on the SD Card. System was working on beaglebone black. The image was installed following instructions in this wiki page: ...
0
votes
1answer
100 views

ubuntu does not log in after I reset my password

I lost my Ubuntu password for my laptop (samsung np nf310). I found a lot of informations to recover it on askubuntu and other sites on internet, here just two of them: How do I reset a lost ...
0
votes
0answers
118 views

Internet interrupts when using Cain & Abel on network

I am quite new to these networking. When I start APR poisoning using the cain and abel user interface; then the internet connection in the other computer goes off. So without the internet ...
0
votes
0answers
50 views

What can one do so that the administrator password could not be resetted? [duplicate]

This question provides ways to reset admin password if it is lost.But I think it is also a major security threat as there is practically no barrier in a data theft and data in one's PC once the theft ...
4
votes
3answers
761 views

How to reset administrative password without the use of a “p” key.

So I do not know my administrative password. I read up on how to reset it by clicking left shift after the BIOS page upon start up. going to the recovery option, then root, then doing mount -o rw, ...
0
votes
0answers
39 views

Lost encrpytion passphrase for external HD

So I encrypted my external HD using the "LUKS + Ext4" type on ubuntu 13.04, on this computer and on this account, a couple of weeks ago. I know the point of encryption is that you cannot retrieve the ...
0
votes
1answer
248 views

How to remove the password of the SD card in ubuntu 12.04

I forgot the password of my micro SD card. How can i remove the password of the SD in ubuntu 12.04. I tried using system files in mobile but it did not successes.
0
votes
0answers
49 views

I forgot my password of my user account [duplicate]

This is my first time using Ubuntu and I forgot my user account password so how can I change my user password or do I have to create a new user account? I can not upgrade my application because I ...
0
votes
0answers
12 views

unable to repair low graphics mode and unable to remember password [duplicate]

after three weeks of trying in install ubuntu on AsusF550DP laptop with radeon HD 8670M graphics I finally managed to work around the black screen and install ubuntu on the laptop. The problem I have ...
0
votes
1answer
131 views

forgot password but passwd will not work [duplicate]

my brother changed my password on Ubuntu and forgot it but command passwd on recovery will not work and I can not buy disks or usb's any help? maybe a program or kon boot for Linux :s help! plz!
0
votes
1answer
61 views

How to Use Ubuntu when you have no access to previous owners password [duplicate]

I have an old gateway420gr that I was hoping to use as my computer crashed. I been unable to get past authenticity issues as I don't know the original owners passwd. I can't access the internet via a ...
1
vote
2answers
917 views

How to recover the root password on ubuntu server

I lost my root/super user password on Ubuntu server, i tried to boot in a "recovery mode", and choosed " drop to root shell", but it is always asks for: Give root password for maintenance (or type ...
0
votes
1answer
57 views

Password reset will not let me type

I tried doing the password reset but, when i went to enter in the new password it would not let me type. i went into the root section entered passwd and then my user-name and it went into the aria ...
-1
votes
2answers
211 views

System won't boot into recovery mode [duplicate]

I'm new to the whole Linux thing. I bought the computer (HP envy M6) from a pawn shop under the impression it had Windows 8 installed, with a duel boot version of Linux. Not the case at all. It is ...
0
votes
2answers
300 views

bought off lease Dell, with ubuntu installed… need password [duplicate]

I had bought an off lease Dell with ubuntu pre-installed....whenever I try and update any updates to anything, it asks for a password, which I had never created. Nothing works...help, please? Thanks
3
votes
1answer
6k views

Reset Windows Password with Ubuntu Live CD

A friend brought me his PC with Windows Vista to reset the user password because he didn't use it for a long while and forgot his password. So I found a tutorial on how to reset the password by using ...
1
vote
1answer
192 views

Ecryptfs: lost passphrase

When I mounted some dir by mount -t ecryptfs private data I entered wrong password. I wrote data in this dir and now I can't mount it. I have no valid password and passphrase (know only the same), ...
0
votes
1answer
64 views

I've lost my root status

I created a new user and set its option to "root". Then I switched the option of the user which was activated to "standard" and closed the window. But now I can't login as the new user because I ...
0
votes
1answer
401 views

whats the problem with rarcrack?

I have installed Rarcrack but whats the issue with it I am not getting . here the code of the terminal root@ubuntu:~/sec# sudo apt-get install rarcrack Reading package lists... Done Building ...
3
votes
1answer
5k views

what rar password recover tools are available?

Long ago i have made my archive with images by protecting it with a password but I have forgot the password and I made many trails to crack it with my general combinations but failed. could somebody ...