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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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Trouble to run commands after changing user password with home directory encryption

I needed to change a server password, done that by passwd. Thing is, this Ubuntu Server installation uses the home encryption aparently. Once I changed the password, after some package update, the ...
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Migrating servers

For my sins I am assisting a friend in migrating from a 10 year old SuSE mail server to one running Ubuntu-18.04. One of the things I need to do is migrate over about a dozen or so users--several of ...
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help undersand what happened with my ecryptfs password

A week ago I forgot my session password. Changing it a week before holidays wasn't a good idea... I changed it using Ubuntu in recovery mode but connecting the session didn't work. Using an other ...
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1answer
39 views

So what is the password?

I have never done a Ubuntu installation. My first install of Linux came on 36 floppy disk but I only occasionally use Linux except recently I have been playing around with a Raspberry Pi. I just ...
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0answers
14 views

Hashcat to find lost login password

I have Ubuntu installed on my PC and forgot the password since I was away for so long. I have an idea of the kinda password I used but I can't guess it so instead I wanna use a hybrid dictionary + ...
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1answer
37 views

Disable user intervention until password entered (not logout)

I'm looking for an option to turn user input off (so to say enable read-only mode) leaving the same picture on screen without logging out from the system, but requiring password to be entered to ...
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33 views

Have two passwords, one for login, one for sudo [duplicate]

I have a server which has a very simple password for which I want a complex password with 20 characters. I want a complex password for login but a simple password whenever I use sudo. Is that possible?...
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Disks is saving my password to keychain

I formatted and then encrypted an external hard drive using Disks. Each time I plug in the hard drive via USB it requires a password to unlock it to view contents on other computers. My issue is that ...
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How to set Passwordless login on ubuntu 18.04?

On Ubuntu 16.04 I used passwordless login. After upgrading to 18.04 this didn't work any more. To be clear, my question is about passwordless login, not autologin (logging automatically in to a ...
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Tried to Unlock Administrator accouint with chntpw now administrator account not working [on hold]

So I attempted to reset the password on my computer using chntpw on windows 10. It didnt work out so I had the brilliant idea of turning on the administrator account. I did so and rebooted the ...
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Shares Ubuntu 14 or 16 [duplicate]

I have looked at the forum. It is amazing how complex all the problems and answers are. Setting sharing looks very simple for a folder. But it does not work for ether platform V 14 or v16. The share ...
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1answer
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Can I view the password of a mounted encrypted volume?

First: yes, this was stupid, I know A couple weeks ago I set up a new Ubuntu 18.04 machine, and included full disk encryption. It's been running since then, just locked at night. Today I was about ...
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Will I be able to access my encrypted home folder if I reset my lost password on Ubuntu 16.04.4?

I installed Ubuntu with the encrypt home folder option but I have forgotten my root password. If I reset my password, will I be able to I gain access to my encrypted home folder?
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2answers
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Thunderbird has always requested entering the master password multiple times

This has been annoying me for a long time. Here's the situation: I have multiple accounts in Thunderbird. I use a master password to access them. Upon launching Thunderbird I get multiple prompts ...
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Boot Ubuntu 18.04 without encryption password [duplicate]

I recently installed Ubuntu 18.04. When I was completing the installation I encrypted the system startup unintentionally. Now I do not know how to remove this boot password. I want it to start with ...
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1answer
85 views

Make sudo not ask for password for n minutes after login

I regularly log in to boxen via SSH, and run update and so forth as root, using sudo. I appreciate that sudo asks for password after a certain time, in case I walk away from terminals or such. But as ...
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1answer
28 views

Formatting chage command date output

I wanted a script to visually warn users on my system that their password is about to expire. I found this one here. The thing is, the author of that script gets the number of days to password ...
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4answers
1k views

SSH without password with non-default identity file location

As part of a startup script I have to automatically open several gnome-terminal windows, one of those terminals automatically send: ssh user@192.168.1.3 The limitation with this is that I still need ...
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1answer
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Locked out from system after adding Yubikey 2FA

I followed the official Yubico guide to enable Challenge-Response 2FA on my account, However on a reboot the login prompts for the Yubikey, then asks for my password, and then repeats these 2 prompts ...
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Nautilus encrypted file not asking for decryption password

In Ubuntu 18.04 I encrypted a file in Nautilus (Files) using the right click 'Encrypt' menu selection. I use the 'Shared Passphrase' option and enter a password. I do not check the 'Save in password ...
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How to configure password policy for openLDAP server,

I am struggling to install and configure the password policy for my OpenLDAP server which is running on Ubuntu 14.04. Somehow I managed and configured ppolicy module, but it's not working for me, I ...
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6answers
3k views

Why can this command unlock my lock screen without password? (Security question)

I work at an IT company, started here not so long ago. Many of us are using linux, and I have discovered a problem or security issue with Ubuntu. As it is now, locking the screen is of no use in case ...
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0answers
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Firefox Profile Not Saved Passwords

I've Copied my Firefox profile from my Windows 10 PC. Inserted it and renamed it in the .mozilla folder (renamed it to the default profile that was already in there and renamed the original default ...
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OS “Forgets” User Passwords

I use Ubuntu 16.04 LTS to host our FOG Server and I am not very familiar with Linux. FOG is very particular about user names and passwords for it to work properly. It has worked well for the last 5 ...
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1answer
23 views

Get pwd EXPIRE_DATE

I am trying to get EXPIRE_DATE of pwd for an active directory user in ubuntu. I can get information about the user with lslogins user but no information about password expire dates that are set in AD. ...
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Authentication String of Root User on MySQL

I have spent a lot of time trying to figure this out and have finally reached quite close to the solution as pointed out in this article. Especially this line: ALTER USER 'root'@'localhost' ...
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Can you encrypt or set password on sda5 using Grub?

PLEASE HELP ME !!! Unfortunately I removed Password of sda5 using terminal when my laptop was on. And then i restarted my laptop to conform sda5 password removed or not. But when laptop turn on ; he ...
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1answer
137 views

root can change the password of a user, but the user herself cannot

I want to change the password of a user in Ubuntu. I am able to do this as root (administrator). root@xxx:~# passwd testuser Enter new UNIX password: Retype new UNIX password: passwd: password ...
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1answer
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Clipboard Manager: avoid password getting stored in history

I use the clipboard manager diodon, but I think this problem is relevant to all clipboard managers on Ubuntu. If I copy a password from keepass (the tool I use to manage my passwords), then the ...
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0answers
29 views

How to enter the password only once if /home is LUKS-encrypted?

Last year I've upgraded my laptop with SSD, and decided to try LUKS for /home encryption, as after researching online and a few trials myself I felt like Ubuntu's "default" ecryptfs still slows it ...
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Cant login after screen locks

Im running Kubuntu version 18.04. After locking the workstation. I cant login, get message unlocking failed. I have to restart the computer to get back in. Please help Regards Mattias Kihl
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0answers
53 views

SSH connection not working when connecting from specific IP

This issue has actually been occurring for me for awhile now, however, it didn't "bother" me enough, but is now becoming somewhat of a frustration. I upgraded to 18.04 in May, and since the upgrade I'...
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1answer
125 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
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Disable remembering WiFi password [duplicate]

Edit: This is not asking how to get Ubuntu to remember WiFi passwords. I'm asking for the opposite. Most of the other questions I find ask how to get Ubuntu's NetworkManager to stop forgetting the ...
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0answers
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Cannot reset Keyring password

I'm running 16.04. I am getting the pop up screen to enter my password but it keeps saying it's the wrong pass. I've tried using Seahorse to change the password by deleting the current situation and ...
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1answer
33 views

How to unlock the screen at the start of the laptop [closed]

I set two passwords, one for the screen and one for the startup. When I start the laptop, appears a dialog box that says "Enter password" with 8 spaces to type. This is before you can see any screen ...
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33 views

cannot change mariadb root password

trying to change mariadb root password. works find till restart the database to start. using this command sudo kill `/var/run/mariadb/mariadb.pid but the result says no such file or directory ...
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1answer
41 views

Git asking for private key?

I'm on Ubuntu and I'm learning how to use Git collaboratively. I have created a pair of public/private keys on my local Ubuntu desktop with the following command: ssh-keygen -b 2048 I then accessed ...
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0answers
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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 ...
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0answers
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Ubuntu asking password to resume from suspension [duplicate]

I am using Ubuntu 18.04, and it has an annoying behavior, its asking me to type password after I resume from suspension. I am not working in my countries army or secret service to have such a ...
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0answers
38 views

systemctl asking for password

I'm trying to get the machine to go to sleep with systemctl suspend, however every time I try to do this over an SSH session it asks for the password twice, one to set a wall message and another to ...
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0answers
58 views

Gorilla Password Manager on Ubuntu 18.04 - problem with certain characters

I have an old password set in Gorilla Password Manager. On Ubuntu 17.10 everything worked correctly. After installing (not upgrade) Ubuntu 18.04, there is a problem with displaying certain ...
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0answers
24 views

Password protect certain application [duplicate]

I want to password protect certain application in my desktop application. For example, everytime open firefox I want to set a password for it so that opening firefox should ask for password. I want to ...
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1answer
223 views

Ubuntu 18.04 can't start nautilus or terminal

This started happening after I installed Chrome Remote Desktop. In addition, my Google Chrome forgot all of my information and I have to type in all my passwords, sync my bookmarks, etc. Ubuntu's ...
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1answer
22 views

sudo, problems with terminal emulator excepting my pass word [duplicate]

i am trying to get my bluetooth working and looked on the forum for answers,what i found, that i thought might work was a command, sudo apt-get install bluetooth. i typed this into the terminal ...
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0answers
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Single password for boot from GRUB to Keepass

Is it possible to have a disk containing only two partitions: one encrypted partition with the whole file system (including /boot) and a small EFI partition with GRUB (or other boot loader) to let the ...
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1answer
31 views

openldap & smbk5pwd

I have OpenLDAP setup (using the official OpenLDAP Server guide from ubuntu.com). I have added samba.schema and I have working samba authentication from LDAP. However, when a user changes password it ...
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1answer
48 views

How do I check that my users and groups are correct?

I have many Ubuntu-powered devices around me. As far I know /etc/group, /etc/passwd, /etc/shadow are created during installation, so they do not belong to any package: $ dpkg -S /etc/passwd dpkg-...
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1answer
32 views

groupmems asks for password for root

I have a few scripts that use groupmems to view and modify what users are in a group. The script runs as root. In Ubuntu 18, it has started to ask for a password, even thou I run as root: root@ubu18:~...
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Does keyboard language affect login password?

I am using Ubuntu 16.04 LTS. This OS was installed with my machine's default keyboard AZERTY: Fr, that's the French keyboard. But I often prefer using QWERTY: En, so I often set it to that. But ...