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Questions tagged [password]

Passwords are used to check user identity or authenticate, for example log in to a user account, to gain elevated privileges with `sudo` or with encryption. Use this tag when asking about using and managing passwords, and understanding where and when they are needed for system security.

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How to add a new user on ubuntu server with password authentication turned off?

I have a ubuntu server with password authentication off. Now I need to add users for other people. However, since the password authentication is disabled, they could not log in to the server. One ...
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1 vote
1 answer
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Installing LXLE on an Acer (with lost password) which has 22,04 already installed

I installed Ubuntu22.04 on an 3 year old Acer Aspire E5-523 laptop. Unfortunately I forgot whatever password I set for the BIOS. I find 22.04 is a bit too slow for this machine so I want to try a ...
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How to shorten unlock time in 22.04

I'v just installed a fresh Ubuntu 22.04 on a Dell latitude 5480. Except for upgrading the packages, I haven't done anything - not even changing the driver (default is xorg). When the screen is locked, ...
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Ubuntu 20.04 not starting after first encryption password

I start my computer, a Lenovo Thinkpad. Ubuntu 20.04 is asking for login encrypt disk password. Normally for the past year it was starting and asking for a second login password, but now only a black ...
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ssh multiple users key and password

I have set up my sshd to require both the key and a password from a ssh client, this works fine for my main root account. I tried to make a separate account that does not have root access, the key ...
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Stop asking password [duplicate]

I run Ubuntu desktop and I wonder how to disable questioning password whenever I update the system, or want to install new software. Is there a possibility to stop this behavior?
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A user without a password is now asking for a password: any way to circumvent this?

I created the user 'minecraft' (i'm making a server) with this: sudo useradd -r -m -U -d /opt/minecraft -s /bin/bash minecraft As I'm new to Linux, I followed this guide, which eventually led me to ...
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Resume after suspend not always asks for password

Ubuntu Mate 20.04 LTS is freshly installed on my Acer Swift 314-57 laptop. When I enter suspend mode by selecting this on the upper right menu, then my password is not requested upon resume. When I ...
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How to make my thinkpad e14 gen3 fingerprint work on ubuntu 22.04?

I can't see fingerprint settings on ubuntu but my ThinkPad e14 gen 3 has a fingerprint sensor. I tried some solutions found on the internet, but still no result.
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-1 votes
1 answer
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Password issue when using shares

I have Ubuntu 21.10 gnome Desktop installed. When I first installed it I used a very easy login password. Later I decided I would change it and make it more secure. I changed my password and logged in....
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-2 votes
1 answer
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How do I improve my password after being denied (password too similiar to previous password) [duplicate]

I tried to change my password (on MY machine), was denied, password too similar to old password. Just want to add a few characters so I can improve it, but still REMEMBER it!
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Get back sudo permission after accidentally commented all lines in file /etc/sudoers.d/username

I'm having an issue on a Ubuntu 20.04 server. I accidentally commented out all lines in /etc/sudoers.d/username after reading this thread: https://superuser.com/a/1311042 because I recently noticed ...
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2 votes
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How can I sync Passwords and keys data between two Ubuntu PCs?

I have an office and a personal PC, and I want to sync my "passwords and key" data between these two PCs. Right now, I am using MEGAsync to sync ~/.gnupg & ~/.local/share/keyrings but it'...
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6 votes
2 answers
13k views

MySQL root password setup error

I am working on a project and I have been trying to use MySQL instead of SQLite. So I downloaded MySQL and I am trying to set the root password with mysql_secure_installation, but when I submit both ...
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I'm locked out of my computer [duplicate]

I've managed to lock myself out of my computer. I feel like I do have the right password, however, it doesn't seem to work. I've looked through resources and tried to change it via rebooting but when ...
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The specified network password is not correct when mapping share in Windows 10 & 11

After recent Windows 10 update and Samba update on my Ubuntu 20.04 server my Samba share no longer works (the share is not public or guest). When I attempt to map a share in Windows 10 & 11, I get ...
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the login keyring did not get unlocked when you logged into your computer - Without Auto Login

i know this is a repeated question but in may case Auto Login is not turned on. instead i have enabled Fingerprint Login and enabled Fingerprint Authentication module using pam-auth-update. so i use ...
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can’t change password? [duplicate]

Okay, so here is the problem. I am on chrome os and went through the process of installing Ubuntu through shell. But when it prompted me to create a password it would not let me! So I started Ubuntu ...
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7 votes
3 answers
3k views

SSH without password does not work after upgrading from 18.04 to 22.04

SSH without password does not work after upgrading from Ubuntu 18.04 to Ubuntu 22.04. The client is Ubuntu 22.04 and the server is Ubuntu 14.04. Using Ubuntu 18.04 as client works correctly. I have ...
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3 votes
3 answers
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22.04 - Remote Desktop Sharing authentication password changes every reboot

I am trying to setup remote desktop sharing for a Ubuntu 22.04 desktop system with the intended purpose of running this system headless without a screen connected. I am able to successfully VNC to the ...
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renew password? [duplicate]

I installed Ubuntu from a disc, several years ago. I did not establish a password at that time. Now I would like to use the program, and am asked for a password. I have tried to find a way to renew ...
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after wake-up: 4 tabs to password

since about two months I have a peculiarity. After wake up by a key press I need to type 4 tabs to get the password field to appear and to get the focus. The initial wake up key and and any other ...
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Encrypt SVN for users group

Could anyone advise how to encrypt SVN , Plan to encrypt or disable the SVN from asking if unencrypted passwords should be stored? We never want a user to be able to do that. Is there possibility that ...
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Issues with login after setting single-user and maintenance password. 20.4 LTS

As part of the Ubuntu 20.04 LTS Security Technical Implementation Guide (STIG), a check for setting the "single-user and maintenance mode" to authenticate with password is required. Totally ...
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Password Failure after upgrade from 18.04 Lts to 20.04 Lts

I am new to Ubuntu, but have used Windows for more than 20 years. I have just tried to upgrade my Linux Ubuntu system, the upgrade appeared to go well. I then opened 20.04 LTS and the sign in page ...
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How do I completely remove Keyrings from system?

None of the answers seem to do the trick nd youtube videos talk about putting in a default password; but that is like storing your passwords in a safe and leaving the safe unlocked. All my passwords ...
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0 answers
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Visudo NOPASSWD not working on specific file

I'm trying to exclude one script I wrote from asking the password when executed, even if it contains a "sudo" command so i've edited sudoers through visudo adding myuser ALL=(ALL) NOPASSWD: ...
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0 votes
2 answers
675 views

Ubuntu Terminal without password?

I open a lot of terminals each day. And everytime I press Ctrl+Alt+T and it opens a terminal and asks me to put in my password: Is there a way to open the terminal without asking for a password? I am ...
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Password does not work after setting up google-Authenticator 2fa

Hi I have a server at home that I often connect to from my school but I wanted to give it an extra security boost. I followed this tutorial, https://ubuntu.com/tutorials/configure-ssh-2fa#1-overview, ...
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0 votes
1 answer
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Is a User still a User if files are copied to a new system with same Username?

If I use something like Clonezilla to clone a system to another drive and use that and also copied the ~/home/user files separately, the username is still nominally the same. I even then (probably ...
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1 vote
1 answer
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Ubuntu 20.04 does not recognize my password. What to do? [duplicate]

Just installed Ubuntu 20.04 on PC machine after failed Windows 11 --> 10 rollback attempt (it failed too). Now I recall the user name I chose but I don't recall the password (or rather the ...
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Forgot password, locked myself out. Now unable to windows from boot

Disclaimer: Hey, I am a newbie. I am sorry if there's a mistake. Am stuck for exams by tomorrow so in a lot of rush. I was trying to reset my password which I've forgot and reset twice before. In that ...
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Not booting after changing LVM/LUKS password

I changed the LVM/LUKS password and when I needed to reboot the computer following a "partial upgrade" it would not boot up. I am prompted for the password, when I type in the old password I ...
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0 votes
1 answer
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Disabling password change requirement on 1st login to Ubuntu Server?

I setup a Pi 4 once with Ubuntu Server & was having issues with SSH not prompting me to change my password the 1st time I logged in. So I researched for awhile & found a way to disable that ...
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The lock on my Linux Ubuntu doesn't work properly

I'm having a problem with my Linux sign lock. It was working fine before, but these days the lock doesn't work properly, I just click the cancel button, and the lock disappears, and I can continue ...
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Error: Signature Not Found In User KEyring

I see some questions about it here, but no good answers worked for me. My old passphrase had [!@#$] at the end of the passwd. My home folder is encrypted. I made another user in the sudo group to ...
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-1 votes
1 answer
52 views

Ways to change password, without knowing existing one [duplicate]

Sad story short, my brother has passed away. For personal reasons i have to get into his laptop. Sometimes when i open it, it puts me right to the desktop without password, but sometimes it requires ...
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Just installed ubuntu 21.10 on raspberry pi4 but no login

Just after first boot, I did a standard "ssh ubuntu@IP", and was solicited to set a new password immediately. But the password setting didn't ask for a confirmation on the password, so now I'...
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Firefox 98.0 don't syncrhonise or save password

I have a dual boot windows10 - Ubuntu 20.04 with Firefox in each. I want to synchronise my logins and password from window but it doesn't work in Ubuntu side. There is more : Ubuntu Firefox don't save ...
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25 views

ubuntu changes administrator user password from recovery menu

I want to know why ubuntu consent to change password (with passwd username) of any users from the recovery menu without any admin password request. Is there any way to set a password to avoid this? I ...
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Ubuntu 20.04 Password [duplicate]

I have installed a wsl Ubuntu 20.04. I entered a username, but it will not let me type in a password. It just will not let me type anything. Can somebody give me the explanation for this?
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Password mismatch between the command line and the graphical environment (after error while messing with ansible)

all, I am on an Ubuntu 20.04.3 LTS. Recently, I have been playing with ansible, and not knowing exactly what was happening, I modified my own system instead of the system I was configuring in the ...
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1 answer
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If I Don't Create a Root Password Can a Hacker Set it Up? [duplicate]

When I installed Ubuntu Server 20.04.4 LTS, I never created a root account. I just have an admin account I believe it is. I read that a root account is already there but the password needs to be set. ...
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2 votes
0 answers
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I (unintentionally) deleted (I guess) a passwd file

I was trying to install x11vnc to screen share my laptop through the terminal. While I was doing it, x11vnc asked me to add a password and so I did. Then I needed to open another terminal and it ...
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0 votes
1 answer
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Evolution doesn't work after copying system to a new disk - not connecting, seems to be a password issue

I use Evolution 3.36.5-0ubuntu1 in Kubuntu 20.04 to do my mail traffic. It worked all fine besides of some irritating asking for passwords sometimes. I deactivated the KDE password manager kde wallet ...
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Unable to reset password of Ubuntu (can't acess Grub Menu, dual booted with windows)

I installed ubuntu on my machine as dual-boot alongside windows, during the setup I put my usual password and username I used Grub2Win to configure my dual boot menu. But I can't login as it says that ...
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0 votes
1 answer
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SSH: Host doesn't check for clients private Key? [duplicate]

I just installed a fresh Ubuntu 20.04 and also openssh-server, but somehow it is possible to establish a ssh connection with password only. There are two user on this host machine. Both have an ...
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hiding company email password from employees working on emails?

I would like to be able to let my customer service employee to answer the emails that come to company email address, but not give them the login password. This way the only place they can reach the ...
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0 votes
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On first successful connection, the prompt asks for password on Ubuntu Core

What password do I have to enter? I didn't setup any password. I tried several different core versions and several core appliances such as https://ubuntu.com/appliance/adguardI have also tried and ...
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1 vote
0 answers
37 views

No Password Prompt During Boot (Kubuntu 21.10)

I use Kubuntu 21.10, and have KDE 5.24.1, but this happened on older KDE versions, too. When I startup, I choose my installation from GRUB, and then I am presented with what should be the password ...
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