Linked Questions

8 votes
3 answers
8k views

Unable to login on my machine with right password

Even though I entered the right password to my machine I'm unable to login. Issue I start my machine and for the first time I'm able to login with my password. Now I lock my machine or I suspend ...
0 votes
0 answers
32 views

Revert "sudo passwd -d `whoami`" [duplicate]

I have followed the steps here to remove the password from an Ubuntu account. Now I want to change it all back. I have already removed the line david ALL=(ALL) NOPASSWD:ALL But don't know how to ...
0 votes
1 answer
38 views

I accidently changed my root user's name and now have lost all root permissions

I was messing around on my minecraft server with usermod and at some point I copied a command from a forum with incorrect terms. now when I sudo cat /etc/passwd, the output for my root user is as ...
0 votes
0 answers
81 views

Unable to login GUI using credentials in Ubuntu 22.04

Unable to login to GUI in Ubuntu 22.04 using the correct credentials, getting error as Sorry, password Authentication didn't work, please try again. When try to login from putty, username was ...
-1 votes
0 answers
42 views

I'm a brand new user with zero help.... on restart my password is now incorrect? help? [duplicate]

like I said.. I'm brand new no help just wanted to see what's good with Linux. installed from flash drive, all went well. installed onto hdd in an older mac and ubuntu auto deleted my old OS and ...
2 votes
1 answer
5k views

Why can I only access the guest session in Ubuntu?

My brother installed Ubuntu on my windows 10 toshiba laptop. At first it was great, but now I can only access the guest session, and can't access the full capability of Ubuntu. I work with my laptop ...
14 votes
3 answers
117k views

How to recover the root password on ubuntu server [duplicate]

I lost my root/super user password on Ubuntu server. I tried to boot in a recovery mode and select option drop to root shell. But it is always asks for: Give root password for maintenance (or type ...
1 vote
1 answer
58 views

password fail ms surface go 2 new ubuntu install

Ive just installed ubuntu 23.10.1 on a ms surface go 2. everything seemed to work fine until restart where it will not take my password. It will also not boot directly from the usb now which ive come ...
2 votes
1 answer
17k 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 ...
0 votes
0 answers
80 views

Resetting password

I really need help my cousin changed root password of Ubuntu based compute please note that it was done months ago and I didn't face any problem at that time.. But now that I'm trying to run ...
0 votes
2 answers
3k views

"ls" is not listing any user's under /home directory in Ubuntu

Am very new to Ubuntu and I got a machine which was used by some one before. Now I don't know how to recover login credentials. I tried to enter to root and tried to see the user names. I used ls /...
2 votes
1 answer
14k views

Cannot log into freshy installed Ubuntu Server 16.04.3: login incorrect?

I installed Ubuntu Server 16.04.3 (kernel version 4.4.0.87) in a VirtualBox Virtual Machine. No fancy settings, pretty much just a straightforward default install. After the installation was finished ...
1 vote
1 answer
4k views

cannot use sudo after using sudo passwd root

My System problem detected when I tried sudo passwd root in my ubuntu. I changed my root password by using the below command. sudo passwd root Now my system password changed, after this i could ...
0 votes
1 answer
8k views

Cant login to tty on ubuntu 20.04, login incorrect and cant go to recovery

Probably /var does not have free space. It had happened before that I needed to empty /var. That is why it prompts to tty when it starts. I can't log in normally. It says after the prompt, `/dev/...
-1 votes
1 answer
4k 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. ZTE Vodafone WebBox W1 The system does not want to mount to \dev\mmcblk0p3\mnt . Im not ...

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