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

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24 views

Setting passwords on a Live USB install of 12.04

With the impending demise of Windows XP, I have taken this opportunity to try Ubuntu (via a bootable USB stick) on a number of machines. Everything looked fine but the lack of a password concerned me ...
0
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0answers
8 views

Password not working [duplicate]

I disabled my password in Ubuntu through the user accounts settings so I wouldn't be prompted for everything. Now, my sudo command password doesn't work, and that is a huge hindrance. There was no ...
0
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0answers
11 views

I've lost my secuity password [duplicate]

I've lost the main password to my computer and can only boot from C.D how do I reset it to access my computer from itself?
1
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0answers
28 views

Can't login after reset of password in recover mode

Ubuntu 12.04 LTS : I lost my password but found a way to reset it in this forum. After restart I was not able to login and got a short black screen with some text. I recorded a video of the black ...
4
votes
1answer
247 views

Password protect individual apps

Can I give certain applications their own rights, e.g. passwords, different from root password? The reason I want to do this is, apps like compiz, settings manager, that don't need root access. This ...
0
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0answers
19 views

Password protect running apps

I have a little alarm clock installed, which limits my children's computing time. It will ring, when the time is over. I want to protect that app with a password, as those little devils found out how ...
2
votes
1answer
69 views

sudo asks for root password but expects user in sudoers?

I have the root account enabled. I have degraded the user (say kenneth) to a standard account and I have set the Defaults rootpw flag in sudoers. When I use sudo it correctly prompt for root ...
2
votes
5answers
13k views

Authenticate user that has no password?

I've set up my user account so that no password is required to login and I need to install some updates. However when prompted for the password, it says authentication failed if I leave the box ...
3
votes
1answer
96 views

Why don't the commands 'sudo bash' or 'sudo -s' ask for a password? [duplicate]

Even when I am logged in as a non-admin user, when I enter sudo bash or sudo -s, the system does not ask for any password. In the command history, I have not entered any password for sudo earlier ...
0
votes
1answer
59 views

Lost password, recovery mode doesn't help [duplicate]

A friend of mine has a old Ubuntu laptop that he wants to put back into use, but since it has been some time since he used it he has forgotten his password. I've looked up how to change but none of ...
1
vote
1answer
529 views

how to break the GRUB password?

I am using Ubuntu 12.10. We all know that from the Restore option in the GRUB menu we can reset our lost password. We can also put password for GRUB to prevent other users ,to reset the password. My ...
155
votes
14answers
346k views

How do I reset a lost administrative password?

I'm working on a Ubuntu system using a Panasonic CF-50 Laptop. My Client has completely forgotten his Administrative Password. He doesn't even remember entering one; however it is there. I've tried ...
0
votes
2answers
46 views

Ubuntu is not accepting my passwords [duplicate]

I just installed 13.10 on my laptop and the passwords for login will not work. I'm very sure that I am not typing it wrong, and it will not accept my remote login either. I have restarted the PC and ...
1
vote
0answers
18 views

root login password when I never set it? [duplicate]

Sorry for too many duplicate questions about this. But I don't think any of the answers to these kind of question has the solution for me. As some users might have asked, how to set root login ...
0
votes
1answer
19k views

Can't Login to my Server via SSH, and the password is correct

I'm using Linode, and I've asked around on the IRC channels, but no one seems to know. I've logged into my server via LISH (reference), and I used the correct password, and everything went fine. ...
0
votes
0answers
57 views

Authentication required to change user data

I have installed Ubuntu 13.01 on a new drive on my computer and all went well until I downloaded Skype for Linux. When I was asked to install it a window popped up to say "Äuthentication is required ...
0
votes
1answer
22 views

remember wireless password in kde

I've got kubuntu 12.04.3 LTS installed. Don't know why - whether it's a default option or I've made this - but KDE always keeps asking me for the wireless connection password and it's annoying a ...
1
vote
0answers
37 views

gdm stopped asking for password on login or unlock

How do I restore password authentication? On a fairly fresh install of Gnomebuntu 13.10 I recently removed the 'Default keyring' in Seahorse as I saw a default keyring to be named Login on my other ...
0
votes
1answer
132 views

Saving Keyring Password

I have found the answer to this but I'm posting it here in case others have the same issue and also asking if anyone has any more details ;-) I use Firefox and Thundirbird's "Gnome Keyring Password ...
1
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0answers
135 views

Password in plain text in Ubuntu 12.04 Unity [closed]

Every time I use Ctrl+Alt+Backspace, either to log out or to recover from system crash, I can see my login password on screen in plain text! How is this possible? Can I solve this bug or I should I ...
3
votes
3answers
2k views

My PC does not ask password in Login even if I set it to ASK on login

When I first installed Ubuntu 11.04 I marked NOT to ask password in login. Then, ofcourse, it didn't ask me password on login. But now I want the OS to ask login password as I have many critical datas ...
0
votes
0answers
66 views

Cannot enter password in lock screen dialog after long suspend

I am currently using Ubuntu 13.10 and recently I've noticed that after my ASUS K56CB laptop goes into suspend mode, and is left like that for a long time (about an hour or more), the password input ...
-2
votes
1answer
130 views

How do I reset my admin password [duplicate]

When I login, system accepts my password to use system. But, when I try to update software programs, system says "manipulation error" or something like that. Went to login screen with Ubuntu ...
0
votes
1answer
440 views

Ubuntu 12.10 won't allow admin privileges when password is set to None [duplicate]

I have the drivers for wireless in Ubuntu 12.0 for my Inspirion 1521, I set the password to "None" to be required whenever I start my computer. However now I cannot run the drivers without a ...
1
vote
2answers
2k views

Why I can't change my password in ubuntu?

I tried multiple times in terminal to change my password. but it throwing error but i filled up all requirements. naga@naga:~$ passwd Current password: New password: Re-enter password: ...
0
votes
2answers
85 views

On each sudo command I get [sudo] password for root:

I have run a script https://github.com/starlilyth/Linux-PoolManager to install it and I have run into the situation where on each sudo command I get the prompt: [sudo] password for root: the ...
0
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0answers
44 views

Software updates without password request?

I use Ubuntu 13.10 and every time the automatic updater finds updates, I click Install and it never asks me for the password. I mean it asked me for the password at first update, and a few times ...
0
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0answers
20 views

How to recover forgtten password [duplicate]

I forgot my Ubuntu password. And now while trying to recover it using recovery mode I am not able to do so. When i uses the command >ls /username its doesn’t show anything except oem. how can i reset ...
0
votes
0answers
361 views

Teamviewer not starting from command-line when using --passwd switch

Tested on Ubuntu 12.04 with Teamviewer v9.0.24147 (.deb package, 32 bits). Before starting the process: $ ps -e | grep "teamviewer" -i 2936 ? 00:00:00 teamviewerd If I then do: $ sudo ...
5
votes
2answers
14k views

How to change/disable password complexity test when changing password?

I know that it is a "bad" idea, I know that it is not secure, I know. I searched the net for an answer and all I saw was whining that it's not good. But I like using Linux because it lets me make the ...
1
vote
1answer
65 views

I have a Password problem can some one help

I am a new Ubuntu user with 12.04 lts and stepped away from my computer for a month and forgot my password. Using this forum I attempted to reset my password using a root line upon booting in grub, ...
0
votes
2answers
206 views

MySQL Access denied for user 'root'@'localhost'

In my server, everytime I try to access MySQL I get the error: Access denied for user 'root'@'localhost' (using password: NO) when I try mysqladmin -u root -p password I get Access ...
1
vote
4answers
7k views

ubuntu 13.04 claims my root password wrong

while opening the bleachbit(as root) , gedbi and bootup- manager , it asks for the root password and on entering the password shows that the password is wrong , for other things like updating , ...
8
votes
2answers
4k views

How do you set requirements (such as minimum length) on passwords?

Is there any way to set up minimum passcode requirements, such as a minimum length, requirement of mixed case alphanumerics and at least 1 symbol in the passcode, and enforce that at passcode changes? ...
0
votes
1answer
55 views

Double password entry when changing active users in Ubuntu 13.10

There are three primary users of my Ubuntu 13.10 Cinnamon 2.14 install: me, my wife, and our oldest daughter. Everything seems to work just fine unless we change users. When one user is active, we ...
1
vote
1answer
33 views

Increase minimum user password length? [duplicate]

For security reason i would like to enforce users to set 10 character password length . How can i modify this policy ?
6
votes
2answers
871 views

Ubuntu 13.10 isn't remembering my passwords anymore, why?

Ubuntu's password management used to be working just fine for me, but around two weeks ago after running apt-get upgrade, I've noticed that now it keeps "forgetting" my passwords. For instance, I ...
0
votes
0answers
12 views

new password not accepted [duplicate]

I followed the steps for resetting the password on Ubuntu 13. It all worked until I entered a new password, then I got the message "Authentication manipulation error" -password unchanged. This was ...
0
votes
0answers
45 views

Change expired password via ssh

I have added some new users and set default passwords. Using chage -d 0, I have expired them, hoping that they will be prompted to change their passwords the first time they login. Unfortunately, ...
1
vote
2answers
79 views

Github ask for Username & password after Configure ssh?

I have Created SSH keygen and Just add the Public Key to My Github Account. When I am pushing My local Saved State to Github Repo.It ask for UserName & Password again. Any input would be ...
2
votes
1answer
39 views

Log in with a password

I have not enabled auto login, but I can still log in to my account without entering my password. I want to turn this option off and let Ubuntu ask me for my password before logging in. This is only ...
1
vote
0answers
29 views

Desktop's “Connect to Server” function repeatedly asks for SSH password after connecting

I would like to use the "Connect to Server" function (available from the Ubuntu desktop menu) to open a Nautilus window showing the file system of another machine through SSH, since I find it easier ...
5
votes
1answer
108 views

Is there a way to set the MAAS password via a preseed?

As has been asked before (here and here) I need to set a password during commissioning for my nodes. I realize that ssh keys are set (and I have one) but I need to log in to the node directly as ...
0
votes
0answers
10 views

How to save kftpgrabber site in kwallet

I'm researching for a more secure FTP client which is more securelely stores site details like passwords, than Filezilla and found kftpgrabber fits with my need. However for get the most out from ...
1
vote
3answers
9k views

Cannot authenticate without a password

The problem can be reproduced as follows: When I remove the password of an administrator account, "Log In without Password", I cannot use that account to authenticate. When I do something that ...
2
votes
2answers
85 views

I was trying to change my password, on my user account and accidently pressed enter too fast. Im running 12.04LTS

Im running in 12.04LTS on a Dell Inspiron Mini 910 - with default specks. I really just need to get this fixed. When I use the sudo passwd root command, it still says I cant change it, the account is ...
0
votes
1answer
30 views

Ubuntu login modification

From what I've red I'm legally allowed to modify my personal copy of Ubuntu. Correct me if I am wrong here though. So my question: I would like to edit how the user logs in. I am using the default ...
0
votes
0answers
17 views

mysql password reset but dont stop mysqld

I have a server with MySQL database installed longtime ago. I forgot the password but this db is associated with many services which I cannot stop. If I stop mysql to reset its root password I may ...
0
votes
1answer
13 views

Setting null password locks me out of updates

I changed the installation password to (none) after install which works great at boot. Now I cannot install updates because all administrative programs keep asking for a password and will not accept a ...
0
votes
0answers
43 views

Maintenance Password [duplicate]

I just downloaded Ubuntu 13.10 onto an older XPS 420 Dell 32 bit. I did the single boot. When it downloaded, for some reason it kept the original user name as well as the computer name. Now I can't ...