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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Ubuntu 22.04, locked screen idle after being given password

I have set my automatic screen lock after 5 minutes of not doing anything. Afterward, I can just log in back to my session. It used to work well until today. Now, whenever my screen is locked, I ...
0 votes
2 answers
4k views

Ubuntu 18.04 Won't Let Me Type My Password and Log in

When I turn on my laptop, everything seems to boot normally and I enter my decryption key to decrypt my hard drive. Then I'm taken to my login page, but when I try to type in my password, none of my ...
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Ubuntu Password Manager

I have changed by desktop to KDE and purged/removed Gdm3. However, when I open Skype the ubuntu keyring still pops up and asks for a password. I can't find "passwords and keys" in my ...
2 votes
2 answers
1k views

Ubuntu 20.04 "NO LanMan password set for user"

My setup: Server with Ubuntu 20.04 with samba shares. HP Deskjet 8620 Pro printer. The printer provides a feature called "Scan to network folder". It used to work with Ubuntu 16.04, but it ...
1 vote
0 answers
93 views

Bug with pasting root password to connect via SSH from Ubuntu 20.04 to Alma Linux 9 remote server

Summarize the problem Im running into a strange bug, by pasting the root password into the prompt while connecting via SSH from a Ubuntu 20.04. client to a AlmaLinux 9.2. remote server. Client: Ubuntu ...
0 votes
1 answer
5k views

Deepin Software Centre unable to aunthenticate password

I am using Kubuntu 11.10. I tried installing Deepin Software Centre in it. Installation was successful but when I launched the application it asked for password. Every time I entered the password, it ...
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22 views

Ubuntu Login - Stuck on Login Page

I've set up the software on VirtualBox and completed the VM setup and now i am at the login stage. I know the password as i have just set it up, the issue is every time it asks me to put my password ...
1 vote
2 answers
6k views

Password for Live Session User in Ubuntu/Gnome 16.04

I am new to Linux and I know that variations of this question have been asked before. However, none of the answers reflect what I see so I thought I'd try again from scratch, I have installed live/...
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1 answer
2k views

Enable ssh login with password for a user

I am the admin of a Ubuntu 20.04 server and I want to enable ssh login for a user through password, rather than using key pairs. The /etc/ssh/ssh_config file on the host looks like this (<username&...
3 votes
1 answer
5k views

Change password without root access

I have an access to my account on VPS over SSH. Some time ago, I changed my password and forgot it. But still, I can log over my SSH key. It was enough for a while, but now I need to login from ...
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2 answers
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Ubuntu 20.04 LTS for Windows 10 not allowing me to input password or change it?

Basically the title, but after following an online tutorial about learning Linux, I decided to try it out and install it on my computer. Thought everything would work perfectly well until I stumbled ...
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1 answer
4k views

Browser asks for password several times .htaccess using subdomain

I have a private homepage and I want to password-protect it using .htaccess. This is what my .htaccess file looks like: AuthName MySite AuthType Basic AuthUserFile /what/ever/.htpasswd require valid-...
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master password for user login debugging ubuntu

I manage a small cluster. The users call me for problems in vnc or xrdp login. I want to be able to enter to their user direct from xrdp and see the issues. I need a master password that i can enter ...
3 votes
1 answer
6k views

User is not in passwd and shadow file but when getent passwd user it shows

User is not in /etc/passwd and /etc/shadow file but when I "getent passwd userSec" it shows the account details. [root@myServer systemadmin]# getent passwd userSec userSec:...
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 ...
5 votes
2 answers
3k views

Can't login to Samba share with any user other than my own user

I've followed the usual steps for adding a new user to Samba: create new Linux user with useradd [user] set its password with passwd [user] set its Samba password with smbpasswd -a [user] But when I ...
0 votes
1 answer
85 views

I cannot Access sudo on my ubuntu VM

When I try to get my account to admin, Every way everyone used to open admin, did not work for me. When i tried sudo -i or sudo su, it gave me this output, usbuser123@Ubuntu2USB:~$ sudo -i [sudo] ...
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1 answer
330 views

How to store the sasl password for Gmail from postfix?

Postfix works for sending mail to the localhost or the local FQDN, which is the hostname. Looking to send through gmail: nicholas@mordor:~$ nicholas@mordor:~$ swaks --to [email protected] -...
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VM Worstation and Xubuntu 22.04.3 - Terminal Sleep Mode

I just installed VM Workstation and Xubuntu 22.04.3 today. Have a question concerning the Terminal. I noticed that there is a time limit before I'm required to reenter my password. Is there a way to ...
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0 answers
312 views

Password not accepted: "Sorry try again"

I know my password. Used it in the past many times. I know whoami. When I tried today to upgrade/update, password was not accepted: "Sorry try again". I found sln: reboot, recovery mode, ...
0 votes
1 answer
5k views

Attempting to Decrypt an AES-256-CBC Encrypted File but Decryption Password isn't known

I am trying to decrypt a password protected file that was encrypted using AES-256-CBC, but the password to decrypt the file has been forgotten. In this simulation, I do know the password is a ...
0 votes
1 answer
350 views

By a bash script executed in a local computer run a command (with sudo privileges) on a remote server

Run a command on a remote system from a local computer I need to execute a command on a remote lubuntu 22.04 system by a ssh connection, but without open a shell. This instruction will be executed ...
3 votes
1 answer
2k views

Oracle Cloud - Why can I use sudo without a password?

I have a new user account created on an oracle cloud free tier VM, called testacc. This account is a member of the sudo group, and the testacc group. Password login is disabled, and I log in with a ...
0 votes
1 answer
224 views

Just created an Ubuntu VM on Google Cloud, but I cant sign into it

I created an Ubuntu Pro VM using Google Cloud and I'm connecting to it with Chrome Remote Desktop following Ubuntu's guide. Everything was working flawlessly and I got to the desktop page on my Ubuntu ...
0 votes
1 answer
276 views

Disable the strict password prompt focus on Ubuntu 22.04

I am using a VPN connection to connect to my work network. Whenever I connect I have to input my password and TOTP token. I have set up the connection within the default network manager GUI in Ubuntu ...
4 votes
1 answer
699 views

What is the correct way to allow accounts without passwords to chsh?

I hope I have phrased this question correctly, it's a bit of an odd one. I have an Ubuntu 18.04 host with many users on it. All of the users log into their account on the host via SSH public key. All ...
0 votes
1 answer
1k views

What are the default username and password for ubuntu-20.04.6-live-server-amd64.iso?

I downloaded the ubuntu-20.04.6-live-server-amd64.iso file and installed it into the Oracle cloud virtual server by attaching the boot volume. There was no prompt for username and login password ...
0 votes
2 answers
970 views

Is it possible to get the TeamViewer random password in an other way than by TeamViewer window interface?

On my lubuntu 22.04 distribution is installed TeamViewer (Classic) version 15.41.7. I know that for enable a remote assistance session by TeamViewer I have to send the Code ID and the session password ...
2 votes
1 answer
720 views

Evolution will not connect with gmail. Errors are "Failed to authenticate: timeout was reached" and "password not available"

I am trying to use the Evolution mail client and it is not connecting to Gmail. This used to work, I have thousands of messages in evolution. I am using the server imap.gmail.com, port 993. I have ...
1 vote
1 answer
219 views

Prevent sudo useres changing root user password

I'm a newbie here. I have deployed a Linux server and I wanted to add other users to it. Then those users must able to install applications on the said server. To do that those users must have root ...
1 vote
2 answers
7k views

BASH script - How to simulate user input for password

I'm trying to make a bash script used to unlock an external drive which is password-protected by WD proprietary software. Since I'm combining this with other bash scripts, I need it to take the ...
0 votes
1 answer
141 views

Ubuntu password reset [duplicate]

I forgot my Ubuntu password, can't open grub menu either, is there a way to fix this? Help please 😭 I tried to open grub menu after turning on my PC, with ESC, shift nothing worked, also went to etc/...
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0 answers
94 views

Trying to get Ubuntu mate into recovery mode

Ubuntu Mate on Raspberry pi 3+ and lost the password. Tried going to Recovery mode by restarting and pressing either by holding shift key or esc or space bar. But neither of them put it into ...
0 votes
0 answers
142 views

Password verification failed when setting up VPN tunnel

I'm trying to follow instructions in the "Setting Up the VPN Tunnel" section of this webpage to setup VPN connection. I built OpenVPN version 2.6.8 (most up-to-date) from source and make ...
13 votes
1 answer
4k views

`pass` is missing `wl-copy` after upgrade to 21.10

After upgrading from Ubuntu 21.04 to 21.10 the password manager pass will try to use wl-copy and wl-paste instead of xclip if provided the -c option. $ pass -c my/password /usr/bin/pass: line 180: wl-...
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0 answers
289 views

Ubuntu 22.04 not connecting to one specific wifi network

I have bought a new miniPC and installed Ubuntu 22.04 on it. It has an Alder Lake n100 processor with wifi adapter AX101 and wifi was not working at all as system was not recognising it. After some ...
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336 views

SSH without password does not work on ubuntu server 22.04.2 LTS

First of all, thanks for everyone's advices. My testing environment: two ubuntu servers (abbreviate as S1, S2) Server version: 22.04.2 LTS My Steps for configuring ssh login without password as below: ...
3 votes
1 answer
902 views

Mount .img disk image using Disks utility in Ubuntu 22.04

Simple question, probably naive. I have a .img file (with password) that I want to “attach and mount” in Ubuntu 22.04, then explore through the graphical interface. (Read-only will be enough.) Using ...
0 votes
0 answers
68 views

OpenPGP key after reboot - Ubuntu

So I am using OpenPGP which is fine most of the time, however after a reboot if I (or my script) tries a push, it asks for the passphrase to unlock the OpenPGP secret key (a GUI window pops up). After ...
1 vote
1 answer
338 views

Best Practice for setting passwords for Ubuntu user to restrict access to privileged root access

I am still new to ubuntu, i want to understand the best practice to restricting access to elevating access to root (i.e via sudo su). Would it be good enough to set a password for the ubuntu user (...
0 votes
0 answers
312 views

store Git credentials on ubuntu 22.04

How can I store my Git credentials so that I don't have to enter my username and password every time in cloning and committing?
3 votes
2 answers
1k views

Are login passwords saved on the machine or only a hash version of the password?

Are login passwords saved on the machine or only a hash version of the password? If only a hash version of the login password is saved, which hash method is used? In which folder is it stored on the ...
68 votes
10 answers
78k views

chsh always asking a password , and get `PAM: Authentication failure`

Today I tried to switch to another shell. First I tried fish, and used chsh -s fish to change fish to default. After some time I found it cannot use ~/.bashrc (&& needs to be replaced by and)....
0 votes
0 answers
85 views

After updating to 22.04.3 I get a blank login screen asking for my username and password, despite inputting it and rebooting from USB nothing works

I'm using a Surface Go tablet. This is what pops up when I log in, I just blurred out my name information. I put in my password and user, but it just won't work. I tried booting from a USB again, but ...
0 votes
1 answer
146 views

Cannot get sudo to work consistently without terminal in non interactive script

I have a shell script I wrote that needs sudo access only when needed. It uses Zenity for a GUI and runs without a terminal. The script was working fine but I had one issue with it. It uses Zenity to ...
0 votes
1 answer
4k views

New MySQL install has no root password, and can't set one

Just installed MySQL 8 on Ubuntu server 20.04. I can login with mysql -u root, but no matter how I try to set a root password, when I login again it doesn't ask for password. Does passwords need to be ...
0 votes
1 answer
109 views

Prevent password change prompt when switching users with su as root

I am working with an Ubuntu system (22.04) and I have set a user's password to expire using the chage command by executing chage user1 -d 0. This prompts the user to change their password upon the ...
0 votes
0 answers
634 views

22.04 - Remote Desktop Sharing password changes in every reboot

VNC Password got changed every boot. not to change password, as required work after system reboot. auto logging is on. Also how to start the VNC service default when not logged in to the desktop?
1 vote
0 answers
713 views

SSH Permission denied, with password

I have a machine running Ubuntu 23.10 and I'm trying to ssh into a server not under my control. I was given an username and a password to access it. In order to prepare the setting, after generate the ...
7 votes
3 answers
3k views

How to maintain language of lock screen?

Half the time the computer locks, the language of the focused window isn't set to English, so I enter the password in the lock screen in the wrong language. Is it possible to maintain the language of ...

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