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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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17 views

su with new user automatically fails without asking for a password

I'm on Ubuntu 16.04.5. I've created a user called test_user and when I try the command su test_user I get the output user@user:~$ su test_user su: Authentication failure user@user:~$ Without ...
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0answers
14 views

VPN Connection forget password

After last update Kubuntu 18.04 pretty worked but VPN PPTP connection was broken. Day before I change VPN password and it was working fine, but today I found in logs: pppd[9962]: MS-CHAP ...
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1answer
55 views

kate saving a text file that needs sudo, opens a password dialog message

I use to have a setup that i could edit and save a file using (Kate text editor) that needed sudo privilage. On save it will show a dialog asking me for my password. This was really handy. But it is ...
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1answer
34 views

How to change passwords in bulk? Ubuntu 16.04

Is there a command that will let me change all the user passwords at once? I would like to find an easier way to perform this change for all 32 users on my machine, and doing them one at a time is not ...
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0answers
12 views

Using keyring to automatically authenticate with wget

My university offers all of the curriculum online and available for everyone that has a username and password. So naturally i wrote a shell script to just crawl in every needed course and download all ...
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0answers
22 views

Unable to log in to Ubuntu 14.04

Upgraded to 14.04 from 12.04. Not sure if the upgrade was complete; laptop Dell Inspiron 3542 was powered down in spite of connected to power source. However, when the machine was started, login ...
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0answers
18 views

Cannot login to a remote server through ssh(keeps waiting after entering the passphrase)

When I tried to log in to my remote server via ssh, I enter my password it keeps me waiting nothing happens after I enter the correct password. So I typed the command ssh -v username@ipaddress to see ...
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0answers
30 views

Prompt for password after double click on .sh file in Ubuntu 18.04 [duplicate]

I have small file with some shell script that's required sudo privilages to be run - let's call it "foo.sh". Normally, I'd run it from terminal using: sudo ./foo.sh and it'd work just fine. But, I ...
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1answer
39 views

Can't update mysql without system root password set

I am trying to update the system but mysql 5.7 is failing. It appears that it cannot connect due to authentication issues. Here is the full console output: Reading package lists... Done Building ...
0
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1answer
31 views

Password resets on reboot (multi-user network)

Today I attempted to log in to my work laptop and got an invalid credentials message. I was still able to log into the local admin and change the password. However, after rebooting, I get the same ...
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0answers
27 views

How to immediately report sudo commands from standard account without asking for password?

In Ubuntu 16.04, I made the standard user log in without a password (from ubuntu settings), but sudo still asks me for a password [and typing nothing and pressing enter only registers as an "incorrect ...
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2answers
92 views

Correct password fails to login (login loop) in Ubuntu 16.04

I know this question asked so many times before but none of the solutions worked for me. My OS is Ubuntu 16.04.5 (alongside Win10) when I type the correct pw it enters the login loop. journalctl ...
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0answers
12 views

super user password reset needed for Program Installation [duplicate]

How do you go about resetting the Super User password? The password needed to install programs with administration rights.
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0answers
30 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 ...
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0answers
27 views

Trusty - Sudo password?

I have a root user with password. I have another user "ubuntu". I have issued the root@server~$ deluser ubuntu sudo command. The system echoes that ubuntu was removed from the sudo group. However, ...
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0answers
45 views

Ubuntu (18.04) Backup (DejaDup) repeatedly asks for password

My Ubuntu backup is repeatedly asking for my password and it will not accept the password that I have previously been using. I have already checked to ensure that various directories in my home ...
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0answers
7 views

kwallet6 and kwallet4

Some software update in late June or early July silently changed my password for kwallet. The password I used was different from my login password. Some passwords are still filled in by kwallet, but I ...
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0answers
29 views

SSH passwords & Special Characters

Can anyone provide a reference that describes the use of special characters with ssh passwords during the ssh-keygen process, e.g. such characters as @ symbol? I understand at this point that using ...
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0answers
32 views

Resetting a password [duplicate]

I am not an IT person and am battling to reset my forgotten password. I have done the following: Rebooted and pressed Shift / Esc. This gave me the option of opening in recovery mode. Then I ...
4
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1answer
106 views

Could not find valid key in user session keyring for sig specified in mount option after upgrade from 16.04 to 18.04

About a month ago I updated my 16.04 LTS server to 18.04.1 LTS. The upgrade went fine. However, since the upgrade, whenever a user logs in, there is a message displayed in dmesg or on the local ...
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0answers
23 views

Keyboard and mouse not working in 16.04 [duplicate]

I have been getting pop up messages that The system is running in low graphics mode After rebooting, the mouse and keyboard are not working and my computer is password locked. Can anyone help?
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0answers
15 views

Reset password and now no password works; unable to access bios menu, unable to reinstall

I have Lubuntu installed on a 2017 Lenovo ideapad. I reset the user account name and password (from "guest" and "guest" to my name and a different password) and the next time I went to log in, it told ...
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0answers
36 views

Password typed in login manager appears as username in tty

The scenario I am asking about is this: when reaching the login screen after the boot process, I switch to tty2 and log in by typing my username and password. I then exit, getting back to the (...
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0answers
30 views

Trying to switch computers [migrated]

I tried to connect to Ask Ubuntu on my new computer but my email and password in the Login Mask just "froze" and nothing happened, I then tried the forgotten password business and received an email ...
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0answers
40 views

Cannot change password in Thunderbird 52.9.1 in Ubuntu 18.04

Updated online password in various webmail accounts. Cannot locate password manager or any menu entry allowing me to change passwords. Read various posts pointing me to preferences / security but no ...
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0answers
22 views

Can't log in after changed password

I've tried to change my user's password, with the help of this guide. It seems that it was lucky, because when I'm entering the new password, Ubuntu get stuck in a login loop. But what's next? I've ...
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0answers
21 views

Password not accepting when typing fast Ubuntu 18.04

So I'm getting this very awkward error, that when I type the password in my normal flow of typing it does not accept it while typing the same thing slowly accepts. I have tried changing keyboards. I'm ...
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0answers
36 views

Cannot open Windows 10 folder

I am trying to reset my forgotten MSI windows 10 local password using Ubuntu and when I am trying to access Windows 10 installation folder to locate the Windows/System32/config I get this location ...
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0answers
46 views

Weird behaviour about password prompts and permissions in Lubuntu 18.04

I am having a strange behaviour with Lubuntu 18.04 fully updated machine. I try to use software application (system tools -> software) to install some application. Say for example Raincat. When I ...
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0answers
33 views

How to change password using Windows version of Ubuntu? [duplicate]

I've downloaded Ubuntu on Windows but skipped the part where you set a password after installing. While trying to execute sudo commands, it kept on asking me for a password, which blank, space, the ...
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0answers
17 views

How can I store Google Chrome passwords with gnome keyrings?

I see Gnome Keyring can store password from browsers but I don't know how to do it with Chrome. I have seen some pages like this (How to make Chrome/Chromium remember passwords in the gnome seahorse ...
18
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2answers
3k views

Can root see my encrypted /home folder?

Just wondering if I use ecryptfs to encrypt my /home folder sudo ecryptfs-migrate-home -u username Can another user with root privilege change my password, then login my account using the new ...
0
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1answer
38 views

Annoying user password authentication every time I open a picture

I transferred pictures via pscp from Windows to my Ubuntu VM, but every time I open the pictures inside my VM, it asks for a password TWICE. I thought it's about the ownership, so I tried using chmod ...
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0answers
23 views

Choppy / Unusable Install after download? Also doesn't accept password?

I installed 18.04 Server first, and it never accepted the password I created (even after going into the command line to change it). So I downloaded the ISO for 18.04 Desktop and installed it without ...
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0answers
26 views

Can Not Paste Password

Just recently upgraded to 18LTS from 16LTS. In 16LTS I was able to Paste Passwords on websites. In 18LTS I can't paste any passwords. Is it a "Security" feature in Ubuntu, Firefox, JavaScript or ...
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0answers
19 views

Is SSH with pub key authentication AND a password at every login possible? [duplicate]

Is it possible to configure SSH to have public key authentication and require a password at every login on Ubuntu? I think the password would be an good extra layer of security. I’ve seen a few ...
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0answers
34 views

18.04 suddenly refuses to accept password

Good Day Yesterday I installed 18.04 on a new (for me) ASUS E200ha Vivobook. Yesterday all went well but today it suddenly refuses to accept my password. I am newbie in Linux and need advice how to ...
3
votes
1answer
39 views

clear terminal critical outputs

I have Ubuntu 18.04 on my win10, and I usually create my password with this line of code: echo -n "<some text generated by hand from the site's domains>" | sha256sum |cut -c-20 But today I ...
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0answers
46 views

Ubuntu 18.04: Gnome lock screen refuse correct password

It becomes completely annoying: Gnome lock screen refuse my correct password. I need to reboot every time, when I get into lock screen. I upgraded to Ubuntu 18.04. I have russian and english layouts (...
1
vote
1answer
64 views

Unable to log on to 18.04

I am not an Ubuntu power user, but years ago opted for this over Windows and never regretted it. Recently upgraded from 16.04 to 18 and all was fine until this morning. Logged in first thing, did ...
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votes
1answer
30 views

I can login using su in other accounts, but not using login screen

When I try to login to my administrative account using Ubuntu's login screen, I cannot. However, I can access other accounts and log in to them. Additionally, I can login to my account using su ...
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0answers
19 views

Trouble with automatic login

I am trying to setup Automatic Login in Ubuntu 14.04. Under All Setting-> User Accounts, I have enabled Automatic Login under login options. Now when I reboot the system, I am presented with the login ...
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0answers
27 views

Update Gnome2 Key Storage password from antique harmonised login & LUKS one

Edited; hopefully to make more clear. An old login password (twice since replaced) still seems to be the Gnome2 Key Storage password. Upon changing my (sole admin/user) login password (using System ...
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0answers
15 views

Have to enter admin password everytime after rebooting to access my harddisks

I have to enter the admin password after every reboot to access one of my two internal harddrives. I have changed all the permissions(At least I think so) to my own account, but I still have to enter ...
0
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1answer
117 views

Thunderbird in 18.04: “Configuration could not be verified - is the username or password wrong?”

Thunderbird worked well with Ubuntu 16.04. After changing to 18.04 and after re-installing Thunderbird again e.g. via terminal, the following problem arose: Thunderbird does not accept user name and/...
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0answers
25 views

Getting out of sudo -A

In the wake of kdesudo's demise, I'm trying to replace it using sudo -A and a very simple helper script which calls kdialog --password based on an answer I got here. I need this for use with bash ...
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0answers
9 views

ubuntu 18:04 LTS after selecting user an error accrued and cmd open suddenly

I just upgraded to ubuntu 18.04 LTS waya software update. I'm facing a strange issue. After Boot when is select user then suddenly cmd window opens. And i cant type password into text box. it ...
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0answers
16 views

System Settings, Change User Password hangs

How long should it take to change the only user's password if there is an encrypted home? This has been running for hours now. It did ask me, after an age, for the keyring passphrase or whatever it'...
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0answers
183 views

pam config issue ( bad jump )

After some packages/data got corrupted, I ran fsck and repaired the packages from the recovery console. As far as I can tell all packages should be whole and apt does not complain. However - I cannot ...
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0answers
71 views

Forgot password or remove sda5_crypt password

I totally forgot my password and having no backups and all, is there a way to unlock this one? or if I have no choice, I just want to get the files or create a backup. Already tried cloning but ...