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Questions tagged [password-recovery]

Questions about the recovery of passwords.

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14 views

Ubuntu asking for “sign in” to let me enter in the recovery mode [duplicate]

I recently forgot admin password. All the solutions I found here were based on recovery mode from GRUB. GRUB menu > Advance options for Ubuntu > recovery mode It asks me for username, and then for ...
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30 views

Ubutu password not accepted [duplicate]

I cannot access the Ubuntu! password not accepted. the last time access was November 2018. Please advise me if it is expired or not.
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0answers
27 views

I am not able to reset my Ubuntu adminstrative password [duplicate]

I've tried to reset my Ubuntu password which I've completely forgotten. I've followed the same instruction as you have explained in one of your thread. But the problem is that when I just go to ...
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0answers
57 views

Locked out of Unbuntu 18.04 no grub menu [duplicate]

I am locked out of my Ubuntu 18.04. Oddly enough the time on the mlaptop machine has changed from standard to military. I have tried reboot>>hold down shift key and it produced noting. I have also ...
0
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2answers
104 views

forgot user password & root password 16.04 [duplicate]

i am very user of ubuntu, i have forgot my user & root's passwords now i am not able to login in my machine. I can login via guest user. please help me to reset password. I tried to reset the ...
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1answer
37 views

can't upgrade, password problems [duplicate]

I installed ubuntu without a password, However, I am asked for a password for upgrading, and restarting ubuntu. Is there a way to get around this? I have tried the various ways to discover what the ...
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0answers
34 views

Corrupted password [duplicate]

Running Ubuntu in a partition for awhile, and then one day, the OS refused to accept my password. I have many precious files that I would like to recover. How do I get back in to the Ubuntu ...
1
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1answer
24 views

Can I edit the sudoers file with visudo using my bootable USB

Something I did with a sudo dpkg ... installation in an attempt to fix problems with my audio clobbered my ability of my sole user-name to run sudo in 18.04 LTS (Bionic Beaver). This is a single OS ...
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0answers
18 views

Crashed System while trying to install ubuntu

I was trying to install a fresh Ubuntu OS in my new Microsoft Surface Laptop 2 bought just today. The inbuilt keyboard of the laptop was not working to enter user name and password so i had to pull ...
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1answer
81 views

no login credentials and can't get to grub

I have an old laptop on which I want to install ubuntu. I do not have the login credentials. I have found methods for accessing the /etc file, but I can not get it to boot into grub; neither f8, f12 ...
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244 views

Password doesn't work after upgrading Ubuntu 17.10 to 18.04

When I used Ubuntu 17.10 at first I had problems updating with sudo apt-get update && sudo apt-get upgrade I had major broken dependencies errors, so I rewrote the sources.list. I also blocked ...
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0answers
33 views

How do I recover/reset the logon password? [duplicate]

I am a new Ubuntu user. I set my authentication password when the Ubuntu software was installed on my laptop; however, it was either the wrong password, or I had sticky keys, so I do not know the ...
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223 views

Unable to Login even after trying correct password

I thought of creating another standard user account but just after I clicked add user it took me to my login screen. After entering my root password it says that it's incorrect. Even in tty4 it does ...
1
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1answer
379 views

Reset shell password [closed]

I know my user password. I am the only user on computer. Latest version of Ubuntu.I do not remember the password for shell terminal.My user password does not work. How do I reset shell password?
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1answer
497 views

Ubuntu 16.04, pbis, authentication token manipulation problem

I have a huge problem with my Ubuntu since I tried to change the password. My Desktop is connected with a windows domain using pbis-open. From time to time I have to change my domain password and ...
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0answers
22 views

How can I run sudo after deleting my password? [duplicate]

I deleted my password using passwd in a terminal. When I restarted my system, I could not go to the admin user with sudo without password. I tried the same password I deleted but it didn't work. How ...
0
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2answers
119 views

Cannot recover MySQL 5.7 password

I installed MySQL 5.7 from terminal and somehow forgot the password I set seconds ago. I am trying to recover it now, however when I execute: sudo mysql_safe --skip-grant-tables --skip-networking &...
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1answer
100 views

Can only enter as guest ,lost password [duplicate]

I can only open my asus laptop as a guest so can reset my lost password can anyone help
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2answers
174 views

Dislocker error“Sun May 13 15:01:29 2018 [CRITICAL] Failed to open /etc/localtime: No such file or directory”

I installed the dislocker all correctly from github and I followed these steps to mount my bitlcoker encrypted volume (its /dev/sda5). Now after running this command $ sudo dislocker -V /dev/sda5 -...
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0answers
677 views

download 18.04 drive now locked by unknown password

I downloaded 18.04 on my solid state hard drive with 17.10 on it. The hard drive was working fine not requiring a password to open the drive. after downloading 18.04 my hard drive now opens with user ...
2
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0answers
61 views

Password Keeps “resetting”

I'm not very proficient with Linux, so please excuse my ignorance. We have an Ubuntu 16.04 LTS installation, and we use it to run FOG. We are running FOG on it in an virtual environment, and we don'...
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0answers
64 views

Ubuntu root cannot log in because of mistake made manually editing etc/password

I am a new user of Ubuntu. I mistakenly changed the etc/password file because it was showing duplicates user error while deleting one user. Now it's not possible to log in with root user/password. I ...
1
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1answer
244 views

Installed crypted ubuntu on full hd and forget password of crypt and root

I installed encrypted ubuntu (fullhd) and forget the root pass and encryptation pass, can anyone explain to me if is posible to recovery the files in this HD, I really need that
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0answers
38 views

How to reset sudo password? [duplicate]

Not accepting password (https://i.stack.imgur.com/X4lNL.jpg) I try to go to admin using su command I am typing in my Ubuntu password but it not accepting pls help
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0answers
22 views

using my log in name and it will not recognize my password.

It will ask for my log in name I type it in and will not open or let me in. I gone through all the insturctions on "How can I find out my user name?" I found my name in the root I tried again and ...
1
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1answer
2k views

Recover/change encryption password

I foolishly changed my whole-drive encryption password last week because I was apparently incapable of reliably typing in the previous password. Unfortunately, my computer has been on since then and I ...
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0answers
21 views

Forgotten Password - Root won let me reset [duplicate]

So I have followed the instructions about how to reset a forgotten password. However when I scroll down and select root it asks me to supply my (forgotten) password before proceeding. Any ideas how to ...
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0answers
75 views

Can I recover my old HDD?

HDD encryption! Can I recover my old HDD? it is encrypted, my user gets hurt and does not allow me to go beyond the desk, it connects and initiates session, but when wanting to do something it tells ...
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0answers
62 views

Ubuntu does not recognize my reset password

I couldn't remember the password I was using in my old pc, so I followed these steps to reset it. Everything seemed ok, it did show that the password had been "successfully" reset. However, when ...
0
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2answers
1k views

How can i recover my sudo passaword?

I have already tried the root solution on the GBU thing, but it ask for the password: "Give root password for maintenance (or press control-D to continue)" Do you guys know any other way to recover ...
1
vote
1answer
389 views

I have tried grub booting to reset my password but it won't work, did I do something wrong? [duplicate]

I was changing my administration password to my computer and I must have made a mistake and mis-typed some part of the password because I tried every password I had put on the PC, nothing worked. Is ...
-3
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2answers
396 views

How linux is secure when you can easily hack? [duplicate]

Passwords can be easily hacked using this technique: How do I reset a lost administrative password? .
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0answers
11 views

Unable to make upgrades or changes because of password issue [duplicate]

Whenever I attempt to make any changes or upgrades a window pops up and asks me for a password to authenticate.The password I think it should be does not not work. I attempted to solve the issue using ...
1
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1answer
107 views

i have mysql 8.0.2 installed on my ubuntu 16.04.can not open it through terminal. so what to do now?

root@biki:/home/welcome# mysql -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) .
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0answers
318 views

Lost password to ZIP file created with Gnome Archive Manager

I've lost the password to a zip file that was created under Unity, Nautilus file manager, which uses Ubuntu's Gnome Archive Manager (I must have mis-typed it when re-encrypting.) It seems that ...
0
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1answer
128 views

password recovery security issue [duplicate]

recently I had reset my ubuntu password using the information provided here password reset By this am changed successfully, but here my question is how can we get security with this. any one can able ...
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0answers
59 views

Sda5 _crypt password forgotten [duplicate]

How do I reset my password for sda5_crypt? I have gnu grub 2.02. Every time I start up my computer it takes me to the Ubuntu page & I don't know how to get out of it because I don't know the ...
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0answers
31 views

Problems accessing Ubuntu 16.04 after changing password [duplicate]

I changed my administrative password to a new password. Now am unable to login with my new one. I do remember the password I changed and the password I changed it to. Am able to access by going ...
3
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0answers
143 views

Why would my encrypted password no longer allow access after a power outage?

My desktop has been running Ubuntu 16.10 for some time now Yesterday my town experienced a terrific thunderstorm and I experienced a power outage / surge that shut off all electronics When ...
1
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2answers
332 views

I'm locked out of my main account, its suddenly become unreadable, and the super user password is no longer working

I'm locked out of my main account, its suddenly become unreadable, and the super user password is no longer working. I have a few other users on the machine, so I can get in there, but can't do ...
1
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2answers
405 views

Bypass Ubuntu Encryption

I need to get into an encrypted Ubuntu system (14 maybe?). And, yes, it is mine, I am the legal owner, etc. Problem is, I lost the passphrase in a move. There is some data in there that is pretty ...
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0answers
20 views

Password set at installation unrecognised at first run [duplicate]

Just installed Lubuntu on an old Dell Inspiron, and in spite of writing everything down, the user password (entered twice at set-up, of course) is not recognised. How do I restore a recognisable ...
3
votes
1answer
140 views

Can I delete a disk encryption password I have forgotten?

Ubuntu 16.4.1 - I know the original password that I have set up, but I added a more complex password that I have forgotten. Can I find this password? Is it possible to delete a password that I don't ...
1
vote
1answer
5k views

passwd: permission denied error when trying to update a user's password

I just installed Ubuntu on a new machine and everything seemed to be going fine. I and a coworker were having some issues with a few things and have managed to lock-out a local admin (sudo?) account ...
2
votes
0answers
23 views

Reset password for ubuntu 12.04 [duplicate]

How to recover/break password of Ubuntu 12.04 ?
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0answers
30 views

Reset Password cannot find username [duplicate]

I'm trying to reset the password to the base administrative/main account on my Ubuntu system. In the recovery shell, I will type passwd <user> and it will give me an error output saying that ...
0
votes
1answer
39 views

Old screenless notebook with ubuntu v.14: sudo password

I'm trying to install a linux on a small notebook. I got it because the integrated screen was broken. I removed the screen and installed Ubuntu 14 (at this time). But it was a few years ago, and now I ...
3
votes
1answer
2k views

How Do I Change a Forgotten User Password Without Booting?

I can't log in to my root user's account. I've looked for a solution, but all of them tell you to do it from the boot options. The thing is that my laptop's screen has turned black and it doesn't ...
0
votes
1answer
298 views

Tried to reset Admin PW, but Ubuntu isn't recognizing Admin account. How do I fix this?

I recently got a setup with Ubuntu v15.04, but I don't know the admin password. I have some background in IT, and know how to reset it. (BIOS, hold Shift, Adv. Ubuntu -> Memory -> Root, type passwd *...
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0answers
259 views

How reset or change admin passwd in EduBuntu 14.04?

My fault... I created a new PC for my family some time ago and I lost the passwd for my (unique) admin user. I can access with other users, but none of them has admin priviledges. I tried the ...