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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Lubuntu rejects password when resuming from automatic suspend

History I have Ubuntu. Because of its extraordinarily slow speed (especially after upgrading to 16.04 from 14.04, almost as slow as Windows), I installed lubuntu-desktop and now use Lubuntu. The ...
6
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0answers
142 views

How to force flatpak to ask for a password

When installing a flatpak that will be installed globally anyone in the sudo group can install a flatpak without sudo. Is there a way to either edit the polkit rules that are installed by flatpak to ...
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0answers
852 views

Google Chrome does not sync passwords

I have a problem with syncing passwords with Google Chrome. Whenever I save a password in Chrome, it just saves it locally. If I have previously saved the password on Google password manager in the ...
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0answers
4k views

Problem with PBISOpen and Ubuntu 14.04LTS

I'm testing openpbis 8.3 version and I have authentication problem when I'm trying to open new session on Ubuntu 14.04 LTS, not in local network but only in distant network. Adding the computer on ...
6
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0answers
1k views

Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase" when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey /dev/...
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0answers
5k 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 ...
5
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2answers
1k views

Unable to change password after expiry

When setting up a new Ubuntu 14 PC for a Standard User using a local System Admin account, I’ve used the following command in order to make their password expire after 30 days: sudo chage –M 30 [...
5
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0answers
896 views

Lock screen asks for password on no-password account

The Ubuntu lock screen always asks for a password even when the account does not have password. In my opinion, it should be exactly like the login screen: a button "connect >" for accounts that don't ...
5
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1answer
2k views

Broken gnome-keyring file and google-chrome hangs

After few weeks of uptime yesterday I rebooted my laptop. After that, I discovered that there is no password in gnome-keyring. gnome-keyring segfault and didn't work. I restored ~/.gnome2/keyrings/...
4
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0answers
42 views

How do I restrict specific passwordless sudo sub-commands?

Is there a way to restrict the passwordless sudo commands to a set of "sub-commands". I am not looking for the answer to How do I run specific sudo commands without a password? I want to know if I it ...
4
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1answer
1k views

Ubuntu 14.04 | Reset password asking me to Retype new password twice. Ideally it should be once

I recently tried to implement password policy (at least one digit, upper case, lowercase, a special character) using pam_cracklib module. After that, the system asks me to retype password twice ...
4
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0answers
644 views

How can I get “Unlock private key” dialog (gui) with more than only insert password in Xubuntu?

In Xubuntu 17.04 with XFCE interface, when I am in terminal app, I only get a cli interface asking: Enter passphrase for key '/home/myusername/.ssh/id_rsa': I remember that in Ubuntu, when I was in ...
4
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0answers
2k views

Avoid Grub2 password protect on every boot?

I have set Grub2 password following this thread. It works fine but now it prompts for username and password every time I start or restart my computer. It's actually the first thing it does. Now, if ...
4
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0answers
325 views

Password pin over letters but have both options

Is there a way to change my password to a pin like windows 10/8.1, if there is how can I do it? I'd rather do that than telling everyone to turn away or wait until they're gone just to type in my ...
4
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1answer
329 views

QTPass setup in 16.04

I have installed QTPass GUI, now need a tutorial to set it up, is there a link to do that somewhere? Shakesbeer, with thanks to all.
4
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0answers
129 views

frequent rejection of password Ubuntu 16.04 --no pattern

Several days ago my password started to be rejected frequently. I had to type my password 2 or 3 times for sudo commands and sometimes open a new terminal before the password was accepted. ...
4
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1answer
1k views

Not accepting the crypt disk password at boot to unlock the disk for ubuntu 14.04

This is really a major issue. Check what happened. Please Help me with a solution... I had windows 7 installed in my laptop. I decided to install ubuntu 14.04 and remove windows 7. So while ...
4
votes
1answer
2k views

How do I enable password request after hibernation in lubuntu 14.04?

I'm running lubuntu 14.04 and have finally managed to enable hibernation. However, after hibernation, the system will start without asking for my password. I've tried several advices posted for ...
4
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0answers
622 views

Xubuntu: How can I avoid the double-password entry (lightdm then xscreensaver) on user switching?

I'm running Xubuntu raring with lightdm and xscreensaver. Both users on the system have xscreensaver set to lock the screen after n minutes. However, when I click "switch user" (or do gdmflexiserver --...
4
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1answer
262 views

Long passphrase for login and short password for screensaver

The situation is that: For the encrypted home directory, any passphrase less than 10 characters is useless at all. If someone physically get the harddisk, the data and the other sensitive password ...
3
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0answers
78 views

How to make cryptsetup abandon a drive once password limit is reached?

I would like to set up my encrypted root partition so that it can decrypt automatically if my USB flash drive with a keyfile is present, but ask for a password otherwise. There is one thing preventing ...
3
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1answer
350 views

Caps lock indicator for Ubuntu 18.04 lock screen and login screen?

My laptop does not have a led or anything to show whether the caps lock is on or not, and while Kubuntu warns you on the lockscreen about whether your caps lock is on or not, Ubuntu seems to lack it. ...
3
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1answer
1k views

seahorse: How do I view the Login Keyring?

I want to view the Passwords stored in the Login Keyring, in which Google results point to launching seahorse -> View By Keyring -> Select Login under Passwords. But as far I can see, there is no ...
3
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0answers
508 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'...
3
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0answers
54 views

Custom Debian Package Installation Ubuntu Software Centre not asking sudo password(16.04 LTS)

Created a Debian package which installs certain applications in the root folder. When double-clicking on the .deb file, Ubuntu Software Centre is not asking for password and it is not installing. ...
3
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0answers
653 views

Chromium Password Manager NOT requiring password to view passwords

I'm using Ubuntu 16.04 and chrome://settings/passwords is what I'm talking about. I was going there to check a password that I forgot, and to my surprise, clicking the Show Password button shows me ...
3
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1answer
249 views

Every application which require admin password won't open

Something happened few days ago in my Xubuntu 14.04. None of applications which require admin password won't open. Apps like GParted, Update Manager, File Manager when trying to open a folder as root, ...
3
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0answers
118 views

How can I merge multiple keyrings into a single one?

I have a number of keyrings stored inside ~/.local/share/keyrings. Is it possible to merge all those into a single default keyring?
3
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1answer
90 views

Password checking takes long even though it's not wrong

I'm aware that there is an intended delay when entering a wrong password. However, since about yesterday, my Ubuntu 16.04 takes 10-20 seconds or sometimes even more to verify the password, even though ...
3
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4answers
14k views

SSH Permission denied (using right password)

I am having troubles setting an ssh connection between two laptops of mine. I tried different solutions posted on-line, but nothing worked. Since I am pretty new with SSH, I might be missing something ...
3
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0answers
740 views

Can't unlock keyring in Seahorse (gnome-keyring)

I wanted to change my master password for gnome-keyring (login), but I can't unlock it (as advised) in seahorse (I'm on 16.04, GDM, seahorse version: 3.20.0, and gnome-keyring-daemon version is: 3.18....
3
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0answers
1k views

Execute a command as another user by providing THEIR password

I need to execute a command as another user by providing THEIR password. This must be able to be done without a terminal aka purely through bash script. I also need to be able to do this without ...
3
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0answers
69 views

After upgrade, Ubuntu boots to text console only

I updated my Ubuntu version to 16.04.01. I restarted the PC but it goes to the text console. It asks for username + password but it does not recognize either of them. I tried Ctrl + Alt + F7 but it ...
3
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0answers
711 views

Replace kwallet with gnome seahorse

I have Ubuntu 15.04 and I have recently installed kde desktop. When I was on unity desktop the seahorse application was used to prompting me for main password at startup to unlock the keyring and let ...
3
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0answers
174 views

Unlocking at the lock screen fails

I have encountered a strange issue with my Ubuntu 15.10 install: Usually, I lock my desktop with Ctrl+Alt+L when I leave my computer, and when I come back, I enter my password and can continue working....
3
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0answers
394 views

Ubuntu Samba share files with different passwords?

I am trying to figure out how to make separate passwords for all of my shared folders. For example. [Share Name] path = /location/of/directory guest ok = yes browseable = yes read only = no I want ...
3
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0answers
669 views

How to prevent the people from using 'e' to change the 'config' in grub?

I'm really stumped this time because, I've tried to configure the 10_linux & the 00_header the /boot/grub/grub.conf I've tried it many times, but unable to protect it with Password Please do ...
3
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0answers
873 views

Does Ubuntu store passwords from failed login attempts?

This is probably a stupid question, but if I type in an incorrect password while attempting to log into my account, does that password get stored anywhere? Assuming that I don't have any third-party ...
3
votes
1answer
2k views

How to make nautilus forget SMB session passwords without logging out

I'm testing the accessibility of a couple of samba shares through nautilus. When inserting the password for the first time, I've chosen "remember password until you logout" but now I'd like to make ...
3
votes
1answer
102 views

Why is my password not working

I just fixed another bug on my computer and now I don't know what's happening I can't log into my account the password Is correct and I changed it to be sure but when I try to log in a bunch of words ...
3
votes
1answer
6k views

Recovering Encrypted Home Directory With Ecryptfs - Passphrase not working

My computer recently failed and I'm now trying to recover files off my external SATA SSD via LiveUSB. I don't remember encrypting my computer, but I'm receiving the ACCESS_YOUR_.... file when ...
3
votes
1answer
2k views

GPG Password Agent and SSH Key Agent

Yesterday I wanted to add an app to the startup menu, and I noticed that there are two instances that weren't there before: GPG Password Agent and SSH Key Agent. I didn't install those, and I read it ...
3
votes
1answer
1k views

Cannot login using correct password

I installed Ubuntu server on a PC, with correct user + password. We installed webmin, and we are running a website on this PC. It works. I can remotely update webmin and ubuntu package. However, I ...
3
votes
1answer
808 views

ecryptfs - unknown password and possibly lost

This is probably going to be a long post, but at the moment I cannot see the wood for the trees, so any help appreciated. In a nutshell: the other night I changed my (login) password. Then forgot it. ...
3
votes
1answer
271 views

How do I manually add a password to the keyring?

My dad uses facebook all the time on my PC. The password keyring will remember only my accounts and not his (facebook account), it won't even ask to remember his password. I want the Ubuntu 13.04 ...
3
votes
0answers
3k views

How to display password policy information for a user?

Ubuntu Documentation > Ubuntu 9.04 > Ubuntu Server Guide > Security > User Management states that there is a default minimum password length for Ubuntu: By default, Ubuntu requires a minimum ...
3
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2answers
2k views

Wireless shows up and keeps asking for password

I installed ubuntu for the first time (first time ever using linux) i used my friends wireless card to update but when i got home and put in my wireless card it asks me for a password i put in my ...
3
votes
1answer
11k views

Unable to unlock encrypted Ubuntu 16.04

I checked the encrypted option when I installed Ubuntu 16.04 yesterday just to explore other features. The installation is very fresh. When I boot my PC it asks for my password to unlock the OS. The ...
2
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0answers
10 views

Ubuntu 16.04LTS - pwquality.conf & pam_pwquality registering incorrect passwords, but approves them anyway

I'm working on implementing password quality requirements in Ubuntu Server 16.04LTS. I have configured 'pwquality.conf' with the requirements and '/etc/pam.d/common-password' to add pam_pwquality.so ...
2
votes
1answer
52 views

Make numerical keyboard (num lock) active by default on Ubuntu Server

I'm using Ubuntu 18.04.3 Server (i.e. no graphical interface, only terminal) as a virtual machine of VirtualBox. How can I make the numerical keyboard active by default directly after Ubuntu is ...