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

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70 views

How to install applications through a standard user account with blank password

In standard user account with no password specified, I want to use apt-get which subsequently requires the password of the current account. (I have the administrator password): user@System:~$ sudo ...
0
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1answer
21 views

Login Password not accepted after Killall command on logged in user

I am new to Ubuntu and experiencing an issue after below mentioned action performed. installed Ubuntu (dual boot) in windows 7 created username "aslam" while installing Ubuntu (everything running ...
0
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1answer
39 views

Problem with login after power outage

I know similar questions have already been asked here, but they all seem to be different from my problem. After a power outage I cannot login locally with my main user. I can ssh into it with the ...
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0answers
46 views

root password required

I cannot use my network or other functions because every time I try, I am asked to enter a root password. Ubuntu does not ask for the password I used to set up the OS, it automatically logs me in as ...
0
votes
1answer
18 views

my stand alone laptop

I have a Lenovo think pad with Ubuntu 14.04 installed I set a new password to the administrator account and I forget what that is. I can use the machine but making changes it asks for the password in ...
3
votes
1answer
54 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 ...
0
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0answers
28 views

unidentified app asking for authorization via my email password in gnome dash

Since last week I am facing a strange problem, each time I open the gnome dash and start typing, I have some app (unidentified) asking for authorization via my email password - the only hint is there ...
0
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1answer
52 views

Can't use sudo commands after removing the user password [duplicate]

I was searching for a way to disable sudo password promot , then I found a command to remove the user password sudo passwd -d username but after I wrote it and try to make sudo commands it asks for ...
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0answers
44 views

Unlock keyring keyboard entry error?

Ever since I installed Ubuntu 14.10 on my laptop (about a month ago, so I'm very new to this!), I sometimes cannot unlock my computer on startup.. On startup, i'm always prompted to insert my ...
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1answer
50 views

How do i set password expiry for all users?

I need to set the password expiry time for ALL users at once with the terminal, or at least by group. Is there any way to do this? Without using suspicious or sketchy software/sites? Thankyou!
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0answers
147 views

Xubuntu 14.04 Won't prompt for password when connecting to a wireless network?

I recently updated my Thinkpad X61s from Xubuntu 12.10 to 14.04. I've always used XFCE. Before I was always able to click on any network from the wifi icon on the task bar, if the network required a ...
0
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1answer
225 views

Cannot login into new install of OpenLDAP

In Oracle VM Virtualbox I installed a fresh new copy of Ubuntu Server 14.04.1 64 bit version, with OpenSSH installed as well. Steps I done: sudo apt-get install slapd ldap-utils nano ...
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0answers
51 views

Modify PAM to run script at password fail

Today I've installed Ubuntu 14.04 LTS on my laptop and I decided to get a bit more control on who is doing what while I'm not around. So what I'd like to do is to modify PAM to run a script on ...
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2answers
993 views

Virtualbox Ubuntu Image Username / password

First of all I am totally new to Linux. I decided to load Ubuntu Linux on Virtualbox and found an ova file here: ...
0
votes
1answer
89 views

Cannot enter password to start Ubuntu

I'm running Ubuntu 14.10 with the system disk encrypted with luks. When I start the computer, it shows the Ubuntu logo and asks to enter the password to unlock the disk. However, I cannot enter the ...
0
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0answers
50 views

Upgraded to 12.04.5 and I don't know the password it wants

I just upgraded my dell precision m6300 to Ubuntu 12.04.5 LTS (Precise Pangolin), and it is asking for a password which I don`t have, my old one does not work, can you help?
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0answers
66 views

Unable to decrypt disk on normal Lubuntu boot

I'm having trouble starting up my system. I use VirtualBox to run Lubuntu 14.10 on Mac OS X 10.10.1 host. I have used the built-in disk encryption available when installing (L)Ubuntu. When it boots ...
5
votes
4answers
157 views

Cannot unlock session if user has no password

I created an account with no password for my 3 year old child. After some time of inactivity on that account, the session locks. Then I cannot unlock the session. Trying to unlock with an empty ...
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3answers
56 views

Is there a software that allows people to have different passwords?

Is there such a software that allows you to enter different passwords. When you login with one of them you can see all your files, but when you put in the another one, you can only view selected ...
0
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0answers
13 views

cannot add or update ubuntu 13.10- do not know owner password, errors [duplicate]

New to linux but I have searched the other questions on these errors, eg Getting an "Authentication token manipulation" error when trying to change my user password and I am still coming up ...
0
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1answer
84 views

Is my drive encrypted? I can read encrypted partition without providing password

Please help me determine if my is drive encrypted or not, what did I do wrong? I used Ubuntu Disk Utility for creating encrypted partition and I choose encrypted partition and provided a password, ...
0
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3answers
43 views

UBUNTU is not prompting for password

I am using UBUNTU 14.04 on Sony vaio computer. I'm dual booting with windows 8.1. till now everything works fine but recently my OS(UBUNTU) is not prompting for password. I am using gnome while ...
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0answers
22 views

Digikam asks for password when trying to access shared folder

I have a samba folder mounted in Nautilus (everybody allowed to do anything), where all my fotos are in. From Digikam I cant access the mounted folder directly, but have to enter the network again, ...
0
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0answers
18 views

my Ubuntu password has become corrupted [duplicate]

I had the same problem as a previous user in that my Software Center would not start. I followed the advice given to that user, but when I got to entering my password, the program asked me to try ...
0
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1answer
101 views

How to block an ip address after several wrong login attempts

I have an web application which needs the user to login. On the server there is an php page who does this (it will check the user input against a mysql table). If an user tries to login with a wrong ...
16
votes
1answer
521 views

How do I produce a É character in the tty login prompt?

TL;DR : How can I produce a É character in the tty login prompt ? Long story : Ok so I was playing with the application "Unity Tweak Tool" to discover some nice features but at some point the whole ...
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0answers
20 views

Authenticate password [duplicate]

I've read and tried some ways, I have read here but I don't understand and it didn't work. I even cannot change my user password. I don't have current password, so I want to create one. However, after ...
1
vote
1answer
33 views

Gnome is not prompting for a password

I’m using using Ubuntu 14.04 on a Sony Vaio. My problem is that the gnome shell is not prompting me for a password when the PC is already turned on. When I restart, it is prompting me for one. I’ve ...
0
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1answer
74 views

Bought used Ubuntu laptop, can't change password to access account

I recently purchased a used ubuntu 14.04 laptop. The previous owner didn't scrub their account and I want to reset the computer to set up my own account. I can't do this feature from the guest ...
2
votes
0answers
128 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 ...
0
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0answers
86 views

Password incorrect + newly installed Ubuntu freezes

We've updated Ubuntu to version 14.04. After the restart, there was the usual GUI with text field asking for a password. After logging in, a dialogue saying "system program problem detected" on Ubuntu ...
0
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2answers
33 views

Lost access to Admin rights, account on Standard, need to get switched back [duplicate]

Good Day ma'am/sir, I need help, and am not locating the right type of help. I just got my mother a new PC with Ubuntu on it, after initial setup and updates, all was operational...upgraded to 14:04 ...
2
votes
0answers
119 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 ...
3
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0answers
84 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 ...
0
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1answer
90 views

ubuntu 14.10 not accepting my password

I've tried changing it from grub recovery mode and using root@username mount -rw -o mount / and typing passwd username and entering my new password but when I try to login with the new password the ...
1
vote
1answer
65 views

Password box on boot up

Still a newbie. Using a clean maching, purchased from System 76 with Ubuntu 14.04 LTS installed. Got it mid-May of 2014. Key words: Ubuntu 14.04 boot password When I start my machine, I am taken ...
0
votes
1answer
62 views

login credentials of 14.04 LTS

I am running ubuntu 14.04 lts from a dvd.I am prompted to enter login and password.I tried ubuntu.guest etc.., but of no use Please guide me how to proceed. Regards, Dr Srikanth 918801245435
0
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0answers
168 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. ...
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0answers
11 views

Resetting a Win 8 Password Using Ubuntu [duplicate]

A friend of my husband and me died in Feb 2013 and left his all of his tangible possessions to my husband. Our friend had just purchased a new HP laptop with the Win 8 OS installed on it. This laptop ...
0
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0answers
30 views

sudo password 14.04 after some maintenance

After an update and using system janitor I no longer have syncing password for sudo. initial ubuntu login works but screen lock password for admin account no longer provide sudo in terminal, system ...
0
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0answers
31 views

software center fails to open

I am not a programmer so have a limited understanding of the Terminal use. I cannot log in to the terminal when it asks for a password I understand it does not display, but I cannot log in. Attempting ...
0
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0answers
19 views

password in loggin session not working properly

I have Ubuntu 14.10 installed on Acer Aspire 5253. After create a standard user, the loggin session is not working properly. It is supposed to ask for my password when I choose my user but it doesn't. ...
0
votes
1answer
263 views

Ubuntu won't accept password

I have a notebook with Ubuntu 14.04 installed... My user is set to auto login, but everytime I need to input the password (for installing applications for example), it won't accept the actual ...
0
votes
0answers
21 views

FireFox 24.0 canonical 1.0 want to update can't get “recovery screen” [duplicate]

When I tried the "shift" key to get a "recovery-mode" Ubuntu just started up as usual with GUI screen."authentication passwd" is asked for when I try to "install updates" from the "software updater" ...
1
vote
1answer
63 views

Unlock password when reboot Ubuntu 14.04

Every time I reboot the computer I got question to unlock the disk. Is it possible to remove this? The computer is used by several people and I don't want to give out the root password.
0
votes
0answers
29 views

Unable to enter password and logged into a different machine

I am using Ubuntu 12.04 on Virtual Box and I have been using it for about a year now. Now I get the log on screen showing my username but when I try to enter my password by clicking on the text box, ...
0
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0answers
14 views

How to secure or protect files and derectory with password using software [duplicate]

I am now use Ubuntu 14.04 desktop and I want to secure directory or files using password then please suggest me to best software or else if any other methods than also suggest me...
0
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0answers
12 views

Password reset problems [duplicate]

After I get to recovery menu and them root I typed in the reset command. Passed username it pulls up enter new UNIX password when that pulls up my keyboard stops working can anyone help me fix
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2answers
116 views

How do I prevent others from resetting my admin password in (X)ubuntu 14.04?

I was shocked to discover that my password could be easily reset via the command line. Does that mean anybody with physical access to my machine could reset the password and read the encrypted ...
0
votes
1answer
48 views

LightDM does not ask for login password

I have an auto-logged in non-sudo user called "screen". I have a passwordless sudo but login-protected user called "support". I'm pretty sure this was working fine before, somehow maybe the latest ...