Questions about the recovery of passwords.

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-2
votes
1answer
46 views

I forgot my sudo password and I need to change it with the terminal [duplicate]

I have got a computer running Windows 8.1 and Ubuntu and I can't change it via grub.
2
votes
0answers
17 views

Can't recover my password

I've seen this page https://help.ubuntu.com/community/LostPassword but I don't know why, when I'm typing in the fourth step my user name, it appears a message saying that there is not any user with ...
0
votes
1answer
26 views

Recover encrypted home directory: login passwd changed, mount passphrase lost

I have made an extensive research through the site before submitting a new question, but on one side I'm a huge noob and on the other side non of the previous queries seems to fit my case. I'll try ...
5
votes
2answers
12k views

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, ...
0
votes
1answer
26 views

sudo dpkg i chntpw* is not working

I am trying to run sudo dpkg -i chntpw* while running Ubuntu from a USB drive on my PC. I get this message. (Reading database ... 169714 files and directories currently installed.) Preparing to ...
0
votes
0answers
9 views

how could i see my system passwords and in which file it is kept [duplicate]

where is the system password stored in Ubuntu to authenticate the user installation and how can i retrieve these encrypted passwords.
33
votes
8answers
72k views

Getting an “Authentication token manipulation” error when trying to change my user password

I am logging in to my Ubuntu Server using my username. Once I am logged in I am typing passwd command. Entering a new password but a second after getting following error messages: passwd: ...
0
votes
1answer
44 views

Vodafone Webbook password

forgot the password on Vodafone webbook and followed the post to reset password but not able to go pass step 4. Vodafone Webbook The system does not want to mount to \dev\mmcblk0p3\mnt . Im not even ...
0
votes
1answer
334 views

keyboard buttons are not working at the time of changing password

when i forget my admin user passwrd i use the way of recovery mode ,i got the step of changing passwrd successfully like this .........recovery mode/root/## mount -rw -o remount/ passwd /enter new ...
0
votes
0answers
36 views

Need to reset password, can't bring up grub2

I purchased a new dell laptop preloaded with ubuntu 14.04 LTS, and I need to reset my password. However, I can't bring up the grub2 menu to enter recovery mode (holding down shift during boot up does ...
273
votes
14answers
679k views

How do I reset a lost administrative password?

I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there. I've tried the suggestions on the ...
0
votes
1answer
98 views

How to boot into recovery mode on Ubuntu on chromebook

When I set up Ubuntu on my HP Chromebook 14 again after breaking it, I forgot that the admin password had to be 4 digits and set it as 1 (the password was just 1) since I don't really need a password ...
-1
votes
2answers
143 views

How do i recover my password in ubuntu [duplicate]

My dad has forgotten his Password. He knows his username. We have tried every thing and he needs that account. Is there anything he/we can do to reset/retrieve the password? We have read way to do ...
-1
votes
1answer
43 views

help with Ubuntu 14.04

i have downloaded a copy of Ubuntu 14.04 I put it on to a disk to upload on to my laptop but once it started to upload it asked my to make a username and password to continue once I have done that it ...
-1
votes
1answer
47 views

Ubuntu 12.04 on VMWare doesn't accept password [duplicate]

I install Ubuntu 12.04 on VMWare. It works about month. But now it doesn't accept password. Password correct 100%. What should i do?
0
votes
0answers
84 views

how to reset your password when it doesn't recognize your username

Hidy ho all, I have an ubuntu virtual machine, and I cannot remember my password. I followed the steps here:How do I reset a lost administrative password? but when I enter my username, it says the ...
0
votes
0answers
17 views

I forgot my password Lubuntu 14.04 [duplicate]

I want to update de apps of my computer but I need the password and i forgot it. Please help me.
3
votes
2answers
3k views

How to save config change on chntpw and quit Terminal?

So, I used the chntpw to clear my Windows 8 Admin password, but it does not apply the change when I restart the computer. I read in some places that the config needs to be saved before closing the ...
0
votes
0answers
16 views

Retrieving User Password [duplicate]

I have been running Ubuntu on my daughters laptop for a while, she has changed her user password and has promptly forgotten it. how do I go about recovering the password as she is the only ...
0
votes
0answers
90 views

can't log in on 14.10 after normal shut down

I can't log in on 14.10 after a normal shut down from the menu. I booted up as normal, entered my phrase, Ubuntu boots to login screen, I enter my password, screen goes blank and I am back at the log ...
4
votes
2answers
11k 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 ...
0
votes
0answers
53 views

What to do when Ubuntu One (Launchpad.net) forgotten password confirmation code is unknown?

I went to Ubuntu One (Launchpad) login, entered my email and password, was told the combo was not right (I'm pretty sure it is right), used the "forgot password" option to have it send me a ...
0
votes
0answers
7 views

windows hibernation mount isssues, attempting to reset lost password [duplicate]

to make a long story short, I've lost a sheet of paper that had a password that i changed. i am attempting to use Ubuntu to reset the password. I've seen various instructions to do this, as well as ...
1
vote
1answer
45 views

How can I recover the password of an encrypted Home folder?

I forgot my encryption password and now can't access my laptop. I have tried using the command line to remove it, and the bootloader. The home folder is blocked by the encryption code. Is there a ...
0
votes
0answers
38 views

Default Keyring password in Netbook remix

I am using Ubuntu Netbook remix. I can login to but get a prompt for default keyring password. I forgot the password. Is there any way to reset it or stop the prompt for default keyring password? My ...
0
votes
1answer
79 views

Can't use sudo commands after removing the user password [duplicate]

I was searching for a way to disable sudo password promot , then I found a command to remove the user password sudo passwd -d username but after I wrote it and try to make sudo commands it asks for ...
0
votes
1answer
145 views

How To Reset The Ubuntu server Password [duplicate]

I lost My Ubuntu Server password and I don't know what to do. So I posted this question on AskUbuntu
1
vote
1answer
69 views

Can not excute commands with sudo

I forgot Ubuntu user password, after referring articles on how to reset user password, I could reset the password for the user. passwd menuka from the recovery mode. However, I tried the new password ...
0
votes
0answers
11 views

Resetting a Win 8 Password Using Ubuntu [duplicate]

A friend of my husband and me died in Feb 2013 and left his all of his tangible possessions to my husband. Our friend had just purchased a new HP laptop with the Win 8 OS installed on it. This laptop ...
0
votes
1answer
545 views

Ubuntu won't accept password

I have a notebook with Ubuntu 14.04 installed... My user is set to auto login, but everytime I need to input the password (for installing applications for example), it won't accept the actual ...
1
vote
2answers
133 views

How do I prevent others from resetting my admin password in (X)ubuntu 14.04?

I was shocked to discover that my password could be easily reset via the command line. Does that mean anybody with physical access to my machine could reset the password and read the encrypted ...
0
votes
0answers
126 views

Dual boot Ubuntu 14.04 not accepting valid password and recovey mode is not available

I am having problem in booting either Ubuntu or Windows 7 in dual boot system with correct password. Not able to get even the 'recovery mode' as 'Advanced option Ubuntu' also taking me to the page for ...
0
votes
1answer
205 views

How to fix authentication password, when password is rejected?

When I try to upgrade, I am prompted for authentication password. I enter the password I have set, but I receive a message saying it is incorrect. The same thing happens when I am prompted to "unlock" ...
0
votes
0answers
69 views

I am not getting the root prompt in recovery mode [duplicate]

I have dual boot Ubuntu 13.04 OS. I forgot my administrative password. I have tried the method in which you told to reset the password. After logging in recovery mode I selected root but it is not ...
3
votes
2answers
2k views

Lost my password, but can login to main account because automatic login was enabled. Any suggestion to recover my account? [duplicate]

I can login to my account, see my desktop and access the files. But unable to install applications and run updates because I can't remember the last password I've entered while resetting it.
0
votes
1answer
69 views

Can not Install on a Dell Latitude laptop --

The laptop always boots winXP and requests an Administrator password. I went into the setup where I attempted to reset all passwords and the start up order but the Admin password is still demanded. ...
0
votes
0answers
23 views

Forget Authentication/System Password [duplicate]

How to change the authentication (i forget the current password) password?
0
votes
0answers
71 views

Unable to logging in to ubuntu root

I am trying to connect my machine to internet. It is showing the following message System policy prevents modification of network setting for all users. An application is attempting to perform ...
0
votes
1answer
97 views

Locked out of Ubuntu touch

I have install Ubuntu-touch on my Nexus 5 and everything worked alright. Until today I had set up a 4 digit locking password, that worked. I changed it to a "regular password" but once changed I could ...
1
vote
0answers
220 views

Administrative Password doesn't work after it changed by GUI

I am new to Linux. I have changed my administrative password by GUI (under user accounts setting). But Now its not accepting my password. It says wrong password try again. I am using Ubuntu 14.04 LTS ...
5
votes
1answer
369 views

12.04 home encrypted and I have written down encryption passphrase. How to reset login password?

I set up a friend with 12.04 and he forgot his password. I encrypted his home directory and I have written down the encryption passphrase during the first boot. If he changed his password after I ...
4
votes
1answer
500 views

How do I reboot from the recovery console?

I run Ubuntu in a virtual machine and I've managed to reset my password in recovery mode, by editing the parameters according to these instructions on Superuser.com. Summarizing my steps: I changed ...
0
votes
1answer
2k views

How to reset my password in ubuntu 14.04

I recently installed Ubuntu 14.04. I am not able to install any software because it is not accepting my password. However I am able to log in to my account using the same password on my pc.
1
vote
0answers
80 views
1
vote
1answer
86 views

I've lost my root status [duplicate]

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 ...
1
vote
0answers
82 views

Installing Ubuntu on Windows partition caused administator user to be destroyed? Why? [closed]

I inserted an 11.10 DVD while in windows and was asked if wanted to install on windows like another program, said yes - but in the process my administrator user in windows was destroyed and the ...
0
votes
1answer
166 views

No graphical interface after hard shutdown

I just installed ubuntu on my laptop and I must have spelled my username and or password wrong because I cannot login now. I tried shuting down my computer manually by holding down the power button ...
0
votes
2answers
84 views

Unable to login Ubuntu. How can I recover it?

I was trying to setup and ssh server with chrooted and after getting tired of no results and permission issue I ran the following command resulting in a screen that as soon as I enter my user and ...
0
votes
0answers
47 views

set for boot without password still while installing it asks for password. How to reset or recover the password? [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I have only Ubuntu 12.04 LTS installed on my system. I set logon password as "boot without password" and removed the ...
1
vote
0answers
202 views

Changing the administrator's password [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I installed Ubuntu 12.04 in my computer along with Windows X P OS.I forgot the password given at the beginning.And ...