Questions about the recovery of passwords.

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1
vote
1answer
2k views

How to recover boot menu if I lost my password during the installation

I got a new laptop with ubuntu ready to be installed from the factory. I installed to near the end that it's ask me to key-in login, password, retyped password and computer name. Then, I came to my ...
41
votes
10answers
101k 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
62 views

I forgot my passwowd and my administrative account will not reset (password recovery)?

I am trying to find someone that knows how to work the 14.04 Password Recovery. I have tried a million ways can someone please help me with a walk-through that actually makes sense? I have tried to ...
1
vote
2answers
41 views

Renamed home folder, now I can't log in

I'm new to Ubuntu, and this is my first post on this site. I'm using Ubuntu 15.04. I was trying to change the name of my home folder. I right clicked the folder but the "Rename" option was grayed ...
0
votes
1answer
28 views

password invalid 12.04 when tryin to log in for the first time, cant get past login screen

i installed Ubuntu 12.04 on my computer, to boot up alongside windows. I did this through Wubi Installer, When i try to log in, it says that my password is not valid. I have reinstalled it a couple ...
1
vote
1answer
215 views

I forgot my localhost root password

I installed Hadoop on my machine. To start it, I was logging in as the user named hduser. I connected to the ssh port using ssh localhost command. Then I went to the bin folder of hadoop to start ...
0
votes
0answers
55 views

Forgot password ubuntu give root password for maintenance

I have forgot my Ubuntu password. And I am trying to reset it. Once I scroll down to root in my grub, after I hit enter it says give root password for maintenance. I clearly don't know the ...
0
votes
0answers
17 views

Password reset on Chromebook

I just bought a Chromebook and I downloaded Ubuntu to it. When I switched from chrome operating system to Ubuntu it asked for username and password. I recently changed my password in chrome but when ...
0
votes
0answers
29 views

Ubuntu password reset options not working [duplicate]

I need help with resetting Ubuntu Password.There is no Grub menu appearing from startup and I have tried 7 million ways of holding down shift. The other option of moving the switch from behind the ...
7
votes
2answers
62k views

Resetting forgotten phpmyadmin password

I recently installed LAMP on Ubuntu 13.04(32-bit) but forgot my phpMyAdmin password. How can I reset its password without re-installing it?
20
votes
4answers
87k views

How do I reset a lost password (using recovery mode requires me to type the password)?

I need to reset my password. I have followed these steps: How do I reset a lost Administrative (root) password? However, then I go to "root" or "netroot" recovery options, it tells me: Give root ...
1
vote
0answers
49 views

My ubuntu 14.04.3 on VMware Player VM gets stuck in a login loop

I used to use Guake terminal. When I was using last time Guake stuck and stop working. Pressed F12 several times in order to close the terminal. Then system logged off and login screen shown up. ...
0
votes
0answers
42 views

Recovered Ubuntu Password Without Success .ICEauthority Does Not Exist

I used this thread to retrieve my long-forgotten Ubuntu password: How do I reset a lost administrative password? After following the solutions in the order of their popularity, I kept getting bounced ...
0
votes
0answers
60 views

Forgot ubuntu password

I forgot my ubuntu password. I followed the proper steps and changes the password successfully. But after booting notnally, the newly entered password is not working for me. Whats wrong here. ...
84
votes
3answers
239k views

Authentication token manipulation error

I forgot my Ubuntu password so I booted into recovery and dropped into a root shell prompt and this is what happened: root@username-PC:~# passwd username Enter new UNIX password: Retype new UNIX ...
0
votes
0answers
37 views

Administartor password can't change [duplicate]

I cant used my admin password that I remember, its always saying its wrong. I've tried resetting it in the recovery mode way but there is an error that comes up and it says my password is unchanged. I ...
0
votes
0answers
24 views

Admin password reset [duplicate]

I cant used my admin password that I remember, its always saying its wrong. I've tried resetting it in the recovery mode way but there is an error that comes up and it says my password is unchanged. I ...
0
votes
1answer
48 views

Ubuntu will not set Account Password

When I enter my credentials and enter a new password, Ubuntu gives me no errors however. When I log out to log back in, there is no prompt for entering a password on the log on screen. I am just able ...
0
votes
0answers
16 views

Can Ubuntu update passwords automatically? (how to recover a password) [duplicate]

I've been using Ubuntu 15.04 for the past few weeks. Yesterday after I finished my work I turned off the notebook. When I tried to login on this morning I get a message "invalid password". (moreover ...
0
votes
0answers
84 views

Reset Password on linux

I have an old comp that has linux installed in it. I can;t remember the log in information. Can someone help me with this process please. Thanks
0
votes
0answers
46 views

Reset Password Help

I installed Ubuntu on my desktop. For some reason my password doesn't work. Not sure what happened... I'm attempting to reset my password, but can't. I pull up the GNU GRUB and selected recovery mode. ...
5
votes
2answers
12k 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 ...
0
votes
2answers
88 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 ...
2
votes
1answer
47 views

amount of attempts Authentication password

Is there an amount of attempts when I forget the authentication password? Like Iphone or something when after 3 times the phone is locked for 30 sec, and after that for 5 minutes (and so on..)? I ...
0
votes
0answers
47 views

cannot open Grub mode on ubuntu 14.04

I forgot my sudo password. As far i as read on forum i should open my machine holding shift to recover this password. Unfortunately it doesn't work. I tried left shift and right shift. Any idea how ...
0
votes
0answers
13 views

What is the defaut password for Ubuntu 14.04? [duplicate]

The default password for the Administrator account is already set by the system.
0
votes
0answers
52 views

duplicate file in sudoers.d breaks sudo

Not sure if it's a bug in sudo, or some kind of a strange boobytrap feature, but here is what happened. Was working this problem, among others in an aticonfig snowball, via ssh remote: ...
0
votes
1answer
139 views

How to get the details of User(Computer)name and the Password?

Where the details of Password and Username/Computer Name being Stored in Ubuntu 14.04? How to Change the Password and the Username? Ways to recover the forgotten Password and the Username without ...
0
votes
0answers
9 views

Your system is running in low graphics card. Can't detect graphics card [duplicate]

I don't have any graphics card either What to do? Earlier it worked well when I chose try Ubuntu but after installing, can't use it. Also a log in screen appear. When I type log in I'd and password, ...
0
votes
0answers
39 views

Forgot password, trying to recover on grub rescue

I forgot my log on password to the computer, so I tried esc. I get the Welcome to GRUB! message, then error: no such partition. Entering rescue mode... grub rescue>
0
votes
0answers
8 views

I forgot my password! [duplicate]

I have no idea as to what my password was. I think I changed it a while back but I don't remember what it was. I can't seem to get it to reset either can anyone help me?
-2
votes
1answer
92 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
43 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
99 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 ...
8
votes
2answers
14k 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
152 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
11 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.
0
votes
1answer
78 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
449 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
44 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 ...
318
votes
14answers
845k 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
240 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
151 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
45 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
66 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
248 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 ...