Questions regarding passwords and the use of them. Where and when it is needed for system security.

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3
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0answers
122 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 ...
3
votes
0answers
1k 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 ...
3
votes
0answers
376 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 ...
3
votes
0answers
607 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
votes
0answers
477 views

ecryptfs-setup-private login passphrase incorrect

I'm trying to access my former home folder. When I run ecryptfs-setup-private, I am asked for my login passphrase which returns ERROR: Your login passphrase is incorrect. I have tried both, my ...
2
votes
0answers
29 views

cryptsetup: unknown fstype, bad password, ect. Bug? Ubuntu 14.04.2

I can't log in to my system at first I had gotten the following error: cryptsetup: unknown fstype, bad password or options? Ubuntu spammed this at boot. Now I can't run the Ubuntu OS ...
2
votes
0answers
43 views

Set a different password for unlock to my sudo password

I am running a single-user Ubuntu install. When I enter the password to unlock my screen after suspend/timeout, it is the same password I use for sudo - my user password. Is there any way for me to ...
2
votes
0answers
103 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 ...
2
votes
0answers
195 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 ...
2
votes
0answers
181 views

How do we implement requirements of password policy?

This question might look similar but I could not find a solution to this which covers all the below requirements of the policy, Hence please help me: - Incorrect pass lockout (after 3 incorrect ...
2
votes
0answers
257 views

Root password asking for authentication is required to change user data

When I'm going to set ip address and click on save its showing "authentication is required user data" the its asking "root password" though I've no root password. I've single user account thats it. ...
2
votes
0answers
184 views

Authentication required before suspend

Since the last update of Ubuntu 14.04, when I press the sleep button in my laptop, a pop-up window appears with "Authentication is required for suspending the system". Password is not requested when ...
2
votes
0answers
40 views

Validate password against regular expression?

Is it possible to somehow set a regular expression that would validate a user's password? So that if the regexp is set to: ^qwerty|йцуке$ than both qwerty and йцуке will be valid passwords. I want ...
2
votes
0answers
60 views

How to change pptp vpn remote password 12.04

I'm looking for a way to change my pptp VPN connection password on the remote server, is there any way to do this? I know that from windows if the password expires the connection automatically prompt ...
2
votes
0answers
124 views

LDAP Client change Unix and Samba password

I have to work in a mixed Windows/Linux world as far as desktop clients are concerned. I've got a central OpenLDAP server with Samba3 that serves a fake windows domain which keeps the Windows guys ...
2
votes
0answers
91 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
2
votes
0answers
7k views

Is there a single line command to do `su`?

I can do an su with su <username> and it asks for my password. Is there a password parameter for su such that i wont be prompted for a password? e.g. su <username> -p <password>
2
votes
0answers
110 views

Password changed for no reason?

I'm having a problem logging into my computer. I have Ubuntu 12.04 and I am 100% sure I didn't change my password, although I tried typing it 100 times, it's not working. I restarted the computer, I ...
2
votes
0answers
183 views

Prevent that TrueCrypt gets Administrator rights

If I try to open a TrueCrypt drive, TrueCrypt asks me for my administrator-password (also when I am a normal user). I know, that i can prevent this password-asking by editing the sudoers file = giving ...
2
votes
0answers
359 views

problem sharing printer via samba in Ubuntu server 12.04

I have cannon ImageRunner 1133 I want to share it through samba with cups server installed on Ubuntu server 12.04 it works all fine I installed samba and cups server ubuntu and windows clients can ...
2
votes
0answers
60 views

Why do I see a screen showing all text I typed during the session on logging out?

When I log off of Ubuntu 12.10, a screen appears shortly with all the text I typed during the session, including passwords and such. Is this supposed to happen? [update] The screen is fullscreen ...
2
votes
0answers
50 views

Pasword space is blank under VMWare, what can I do?

I upgraded to Ubuntu 12.10 on my VMWare and now the password space is just not there. It says the name of user but no space to enter the password. What to do?
2
votes
0answers
829 views

I can log in with my password, but it's not accepted as valid for authentication

I can log in with my password just fine, but when trying to use sudo to run commands or authenticating to install software, my password does not work and my account is an administrator account. ...
1
vote
0answers
11 views

help. not letting me type password and task bar gone

My laptop task/menu bar that runs along the bottom of the screen has disappear. I found a useful question and answer that said to press ctrl alt f1 then login in and type unity-reset. So I tried that ...
1
vote
0answers
40 views

Enable shutdown from another computer on LAN without entering sudo password

I'm trying to execute this script from my laptop to shutdown the server without having to enter the sudo password. (Both are running Ubuntu 14.04.2 LTS) ssh -t lachlan@192.168.0.xxx sudo shutdown -h ...
1
vote
0answers
28 views

Can't log into my session even in recovery mode

I've recovered my session password in recovery mode (By doing enter recovery mode loadkeys fr mount -o rw,remount / passwd me wrote password in a paper ) But when I restart the computer, entering ...
1
vote
0answers
25 views

Ubuntu Password help

I installed Ubuntu using wubi it asked me to enter a password for my account . I entered the same password twice . When I booted ubuntu it asked for my username I entered it then it asked for my ...
1
vote
0answers
32 views

How to forget sftp password in Nautilus (none in seahorse)

I added the entry sftp://daniel@<somedomain> to my bookmarks in Nautilus. The first time it was accessed it asked for the password but never after that. I cannot remember which option I selected ...
1
vote
0answers
49 views

Evolution keeps asking me for password authentication (gnome shell)

Every time I open my dash, I see the dash display as normal. But once I type into the dash search bar, I receive a request for password authentication for evolution. This is incredibly frustrating! ...
1
vote
0answers
17 views

Caffeine and system settings and upper right hand corner

I was able to go to the terminal and type in the command for caffeine, but I don't find caffeine anywhere in the system settings and it doesn't show up anywhere on the upper right hand corner of the ...
1
vote
0answers
25 views

Cant login after installation

I have installed Ubuntu 15.04 but then i try to login using my password the screen goes black and some text is shown realy fast in the upper left corner then I am back at the login. Why cant I login?
1
vote
0answers
65 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 ...
1
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0answers
30 views

Sometimes ubuntu ask me my password to mount and shutdown my computer

Sometimes Ubuntu ask me my password to mount my partitions (and I haven't set this feature) and whenIi want turn off my computer. I guess is related with a partition using GParted ( I do this to ...
1
vote
0answers
23 views

Find sensitive data/way tool

For an IT challenge, I've been asked to find all sensitive data (bookmarks, browsing history, pictures, videos, logs,passwords, ... ) on a protected Windows host machine. So far, I've been able to ...
1
vote
0answers
46 views

Auto Login sometimes fails and requires a password

I am setting up some old laptops with Ubuntu 14.04 for students in kindergarten through 3rd grade. I want to have them boot automatically into Ubuntu with a username of egpl I do NOT want to require ...
1
vote
0answers
113 views

Connecting to windows 7, mount.cifs error(115)

I'm trying to share a "Share" folder located in my Ubuntu 14.04LTS desktop with my Windows 7 computer through my local wireless using: sudo mount.cifs //WindowsPCname/Users ...
1
vote
0answers
111 views

How to change forgotten password without bios ?

When I logged in today on my laptop and tried to do something in konsole it asked me for my password. So i typed in my password like 100 times and it keeps on saying that It's incorrect. It worked ...
1
vote
0answers
90 views

$password with ssh chpasswd

I've a problem with "ssh chpasswd" .. I need to implement the "$password" of register.. Eg.. I've this code.. echo $ssh->exec("sudo sh -c 'echo $user:test | chpasswd'"); When the script is ...
1
vote
0answers
68 views

I always get “Invalid password” on my first attempt to log in after long locks

At work I'm running Ubuntu 14.04 and after it's been locked for too long, my first attempt to login/unlock the computer will be met with Invalid password no matter how careful I am. The second ...
1
vote
0answers
176 views

Authentication not working properly after using fingerprint authentication in Ububtu 14.04

I installed fingerprint-gui to use fingerprint scanner in my thinkpad. The commands used were sudo apt-add-repository ppa:fingerprint/fingerprint-gui && sudo apt-get update sudo ...
1
vote
0answers
52 views

Stuck in Unbuntu Login Loop 11.10 / 12.04

I know there are places discussing login loops, but not of the solutions I have seen and tried have worked for me. Two days the computer froze, and when I restarted, I got a blank screen with a ...
1
vote
0answers
51 views

Can login via ssh, but not system tty

Here's something weird. I can: ssh xyz@localhost provide my password, and login as xyz. However, I if hit ctrl-alt-F3 to go to the system prompt, and try to login as the same user xyz I get a ...
1
vote
0answers
41 views

Cannot log into new user account

I am trying to set up a user account for my girlfriend on Ubuntu 14.04. Every time I try to set it up, the account is created with the right name, but I cannot get the account to log in. If I set the ...
1
vote
0answers
278 views

su - Authentication failure; account accessible from root, not from user

I know there are tons of articles about authentication failure, but I think my case is specific. I have created groups and user oracle using this link: ...
1
vote
0answers
25 views

Entering an encrytion phrase through a serial port connection

I am building an Ubuntu 14.04 stand alone server, text install. I have rerouted the console through serial port /dev/ttyS0. During boot I am getting the full boot up display through the serial port. ...
1
vote
0answers
192 views

Administrative Password doesn't work after it changed by GUI

I am new to Linux. I have changed my administrative password by GUI (under user accounts setting). But Now its not accepting my password. It says wrong password try again. I am using Ubuntu 14.04 LTS ...
1
vote
0answers
38 views

Ask for password when shutting down

How to ask for sudo password after click in shutdown button in the shutdown menu instead of shutdown instantly? What I want to achieve for example is something like what gksu does.
1
vote
0answers
380 views

How to change proxy settings with authentication?

I am using Ubuntu 13.04 and having WiFi connection with proxy settings and authentication. By following some tutorials I successfully changed /etc/apt/apt.conf with the values Acquire::http::proxy ...
1
vote
0answers
29 views

Samba password expires?

I have a problem with samba, I have a user and a password for that user, and from a windows machine it let's me log in but after a few hours I try to log in again and it tells me that the password is ...
1
vote
0answers
26 views

fprint-demo casusing authentication failure

I installed fprint-demo in Ubuntu 14.04 unfortunately I did not setup the finger prints and when I try to log in; its denying my password. I tried to remove the password in recovery mode: rw -o ...