Questions about the recovery of passwords.

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351
votes
14answers
970k 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 ...
95
votes
3answers
262k 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 ...
45
votes
10answers
123k 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: ...
21
votes
4answers
93k 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 ...
8
votes
2answers
8k views

I unexpetedly deleted administrator account and the other accounts are asking root password

I unexpectedly deleted my user account (the only administrator for the machine). I have another account which is standard account now i cant access my hard disk or anything with that standard account ...
8
votes
2answers
16k 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, ...
7
votes
3answers
74k 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?
7
votes
1answer
13k 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 ...
7
votes
1answer
6k views

How can I reset my Windows XP password using a LiveCD?

My mom's ancient Winbook laptop, using Windows XP Professional, was also hooked up to a wireless keyboard and mouse. Unfortunately, this caused it to only accept the account password at the login ...
7
votes
2answers
11k views

How to reset lost user password on a guest on VMWare server?

I have a ubuntu 10.10 VMWare image that I set up a while back and have forgotten the login details. Normally I'd boot into single user mode to fix this, but I'm having trouble doing this on the ...
6
votes
1answer
3k views

Using word list to brute force encrypted partition

I used the Disk Utility to encrypt an external HDD about a month ago. Now it seems that I have forgotten the password. I have formed it according to a set of rules, so I have generated a word list (...
5
votes
2answers
20k views

How can I bring up the GRUB menu?

I installed ubuntu as a dual boot system with Windows 7. I was on my user account earlier today and I changed the password. I shut down the computer and tried to re-login but I totally forgot the new ...
5
votes
2answers
13k views

what rar password recovery tools are available?

Long ago I made an archive of images and protected it with a password but I have forgotten the password and I made many trails to crack it with my general combinations but failed. Are there any ...
5
votes
1answer
376 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
3answers
1k 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, ...
4
votes
2answers
8k views

How to remove or recover password from a LibreOffice document

I have 2 old documents in ODT format that I either made a typo or forgot the actual password for them. I want to recover the password or simply remove it. What steps (If available) are there to remove ...
4
votes
3answers
122k views

What is the default password for Ubuntu 12.04? [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I've just had someone install Ubuntu 12.04. I am not a techie - just a user. I am now asked for a password which I do ...
4
votes
1answer
579 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 ...
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.
3
votes
2answers
7k views

can't log in after password change (ecryptfs)

I am on Ubuntu 12.10 with one user using encrypted home. A while back I have changed by user password and then forgot it. I then made a backup of my files using Dustin's help to an external drive. I ...
3
votes
3answers
8k views

“Authentication Manipulation Error” when trying to reset my password

To reset forgotten password in 12.04 LTS. I am able to boot the computer. i choose root option and then come to password changing. they ask me to enter new UNIX password which i do type. but at last ...
3
votes
2answers
602 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 ...
3
votes
1answer
938 views

How to read FTP login data stored within nautilus?

I forgot my ftp user name and password, yet I have a bookmark stored within nautilus so I can still access it. I wonder if I could extract these data from nautilus.
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 ...
3
votes
1answer
164 views

ecryptfs - About 200 Passwords to Parse Through

I know all but two characters of my password. I know, I'm an idiot for not writing down my pass immediately after my main board went south on me, but that's water under the bridge. Anyway, I figure ...
3
votes
1answer
194 views

How can I remove or block every method that can be used to reset my password?

I've been an Ubuntu user for a while now and not so long ago one of my computers got hijacked and malicious code was installed in it by simply replacing my password using the various password recovery ...
3
votes
0answers
5k views

Unable to open Recovery, at boot, using “SHIFT” key (12.04 LTS)

I have tried rebooting multiple times to try to get to "Recovery" (GRUB 2) by holding down "SHIFT" during boot. I am waiting until BIOS screen completes. I need to reset the admin password because I ...
3
votes
0answers
97 views

Password recovery [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I have Ubuntu 11.1 , do not remember setting it up with a password but, now it will not let me in without a password. ...
3
votes
2answers
24k 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 ...
2
votes
1answer
391 views

Is it normal to have two shadow files in /etc directory?

I am having an issue with logging in after an upgrade to 12.04. I have been using (unsuccessfully) this guide to reset the password. In /etc I found two shadow files: shadow and shadow- . The files ...
2
votes
1answer
7k views

User account password. Stuck in guest forever? [duplicate]

So, the thing is I created a new admin account, deleted the old one, but pressed "lock" before setting a password for it. Now I try to unlock it and it asks me for a password I've never set. I did ...
2
votes
3answers
835 views

Locked out after using usermod

After trying to change my password with usermod -p <new password> <username> ( which seemed to work but didn't give any messages ) I found I could not log in using either my old or new ...
2
votes
1answer
13k views

How to change my password? [duplicate]

I installed Ubuntu 13.04 through wubi file, where we set username & passwd preinstalling of Ubuntu,but now I couldn't login with my username even though I typed the correct password, as it is ...
2
votes
1answer
118 views

What is the command to retrieve the pass phrase of an encrypted home directory?

I remember setting a password to encrypt my directory when I installed Ubuntu, and running a command to retrieve a pass phrase in case I lost the password. Can anyone tell me what is the terminal ...
2
votes
1answer
51 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 ...
2
votes
1answer
320 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
1answer
2k views

I forgot the password to a cbz/zip file

I forgot the password to a cbz file, which when I open it says it only contains empty pages, so i rename it to zip, since I read it will open anyway, and I enter what I supposed to be the password, ...
2
votes
2answers
1k 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 ...
2
votes
1answer
887 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), ...
2
votes
2answers
2k views

Unable to log in and unable to reset the password [duplicate]

I was reading some blog and I found that I can manually start GUI by issuing this command sudo startx, so I did that. I did it in the terminal with the GUI already running. Now I'm unable to login to ...
2
votes
1answer
817 views

How can I access data on a computer without knowing the login password?

There are a number of files (photos, stories, poetry... etc.) on a computer that I need to retrieve. Is there any way to get around the login procedure or to get to my files without the password? Any ...
2
votes
1answer
619 views

Reading network-manager password from another hdd

Today I cloned my Ubuntu 11.10 into my old hdd, and installed 12.04 into my current hdd. What I need now is to recover passwords for my VPN connections on the network manager that is in the old 11.10 ...
2
votes
0answers
47 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 ...
2
votes
0answers
120 views

Password changed for no reason?

I'm having a problem logging into my computer. I have Ubuntu 12.04 and I am 100% sure I didn't change my password, although I tried typing it 100 times, it's not working. I restarted the computer, I ...
2
votes
1answer
118 views

Can't log in on boot up

I set this computer up with Ubuntu for my neighbor about two years ago. Today she tried her normal boot up and log in and her password isn't accepted. I've double checked and she's using what I set ...
2
votes
0answers
70 views

Password recovery - usual options fail [duplicate]

Possible Duplicate: How do I reset a lost password (using recovery mode requires me to type the password)? Ubuntu 12.04 1) Used the recovery menu to get to a root terminal: a) mount -o ...
2
votes
0answers
51 views

Recovering Password [duplicate]

Possible Duplicate: How do I reset a lost password (using recovery mode requires me to type the password)? My sister gave me her Mini inspiron 1010 with ubuntu 8.04 that she bought in the ...
1
vote
4answers
787 views

Can't update/Dont know admin password

My daughter got a computer at a yard sale with an old version of ubuntu. When I try to update, it asks for admin password. It also says version no longer supported.
1
vote
2answers
58 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 ...
1
vote
2answers
1k views

How to find an ubuntu password which i removed?

I removed my password from the user menu where they gave the option for no password. So i pressed that and now the computer can be logged into but they ask a password which is not my old password.......