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

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5
votes
2answers
15k views

How to reset a password from kwallet?

How to reset a password from kwallet? I've read about a kwallet GUI that could be installed from synaptic, but I found nothing. Actually, it shows a GUI asking me the password, so is must have ...
2
votes
1answer
1k views

password does not work for everything “anymore”!

I did set my password as I installed Ubuntu some months ago, and all is running flawless up to few days ago. Since then, although I did never change my password, the whole authentication is not ...
1
vote
2answers
3k views

Remove sudo password when connecting to *new* WiFi network

So currently when my non-admin user tries to connect to a new WiFi network (e.g. at a cafe say) NetworkManager prompts for the admin user's password. Is there a way to turn this off and to allow the ...
9
votes
5answers
13k views

How do I unlock a user account?

I've been to system settings and to User Accounts. My account is the only one on the system and I have previously been able to UnLock the screen so that I could set my account to login without ...
4
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 ...
4
votes
3answers
10k views

Where are passwords stored?

How do you figure out where are user's passwords stored, for users that can login? I know the system is using LDAP for users (username, home path, etc.), but it doesn't contain any kind of passwords. ...
2
votes
2answers
2k views

Adding NOPASSWD in /etc/sudoers doesn't work

On 14.04 here. I SSHed into my machine, added the following line to /etc/sudoers: myuser ALL=NOPASSWD: ALL And then tried running: sudo mkdir /etc/blah ...and I'm being asked for my password. ...
2
votes
3answers
81 views

Could up-arrow key in terminal is a risk when encrypting using 7z?

We know that 7z can be used as an encryption method and that up-arrow key is used to see what commands and what tasks had done, so it can be use to reveal the password because in this case passwords ...
2
votes
2answers
532 views

Multiple passwords per user

Is it possible to allow multiple passwords to log on to Ubuntu for the same user? I have also possibly considered having two users share a home folder, but I am not sure if that is safe. If anybody ...
2
votes
0answers
762 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
4answers
8k 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 , ...
1
vote
0answers
1k views

wireless security (wpa + wpa2) passwords not accepted; wireless security = 'none' is functional [closed]

Hi I am new to Linux coming from Mac. I have several macs and formerly windows systems connecting to Netgear wpn824 router wirelessly. I just installed Ubuntu 11.10 on my daughter's Samsung NC-20 ...
1
vote
0answers
3k views

What is default username & password for a persistent pendrive? [duplicate]

Possible Duplicate: Live CD asks for a username and password I am trying out Ubuntu 11.04 on a netbook. I created a live USB to boot from using this: ...
0
votes
3answers
4k views

Is there a way to reset Windows XP administrator password? [closed]

Can I reset a Windows XP administrator password? How would I do it?
9
votes
1answer
286 views

How can I protect my data when lending my computer to someone?

I'm going to lend an old PC with dual boot (Ubuntu and Win XP) to a friend for few days. Ubuntu contains a lot of data that I want to keep confidential. I have protected my session with a strong ...
5
votes
1answer
148 views

password on resume

I would like to not have to enter my password on resume after closing the lid on my laptop. I used to be able to do this but can't find the option anywhere anymore. all the notes I have found say go ...
5
votes
2answers
11k views

Encrypting Files and folder through terminal

I am new to part of encryption on Ubuntu . Is there any way to encrypt files and folder with password from terminal ? without using truecrypt or cryptkeeper etc.
4
votes
1answer
4k views

Expect script that enters a username and password

I am trying to run an expect script, that everytime the prompt says user@blah's password, it enters the password I have the following expect script but it seem to be acting up. Can anyone tell me ...
3
votes
1answer
164 views

Google asks me to login every time I reboot

My online account for Google loses the password every time I reboot my machine. I have a two tier log in to my Google account as it is managed by my employer. I am aware that this has been dealt ...
3
votes
1answer
274 views

How to set up GRUB2 password in an easy way?

I need to setup password for GRUB2 on Ubuntu 14.04 LTS amd64. The setup I am trying to reach is to have [e]dit and [c]onsole options protected by password, but booting of operating system entries ...
3
votes
2answers
275 views

Wubi overwrites my Ubuntu username to Administrator and ignores my password

I know there are ways to get your root access back and change your password, but every time I try a new flavor of Ubuntu (installing using Wubi) my username/password is ignored. After installing and ...
3
votes
1answer
284 views

Lock screen turn off and on : Goes to a loop asking to enter password to unlock- then turns off again.

I recently updated my laptop from 12.04 to 12.10. And now, whenever I lock screen with "CTRL+ALT+L", the screen locks, and monitor turns off. But within 30 seconds, it turns on and asks for password. ...
3
votes
1answer
335 views

Set 2 passwords for one user?

I need to set 2 passwords for a user, like: One password for normal usage and another one for sudo access. How is this possible?
3
votes
3answers
7k views

“Authentication Manipulation Error” when trying to reset my password

To reset forgotten password in 12.04 LTS. I am able to boot the computer. i choose root option and then come to password changing. they ask me to enter new UNIX password which i do type. but at last ...
3
votes
2answers
3k views

Run Bash Script as Root

Is there some way I can run a Bash script as root without being prompted for a password every time? I'm attempting to automate the process of starting my LAMPP install, which requires me running a ...
3
votes
1answer
5k views

Terminal problems entering password

Every time I try to enable shell theme extension or anything in general in Terminal it asks me for a password but won't accept it.
3
votes
2answers
1k views

How to change the User password

Alright i go into the terminal and type in sudo passwd random-pass -enter- [sudo] password for user:[] I type whatever password i want in and the insertion point/caret just stays in the same spot. ...
3
votes
2answers
1k views

How do I approve specific computers to ssh into a machine with password authentication disabled?

The instructions in help.ubuntu.com/community/SSH/OpenSSH/Configuring recommend disabling password authentication so that "it will only be possible to connect from computers you have specifically ...
2
votes
1answer
889 views

Trying to access Windows 8 computer asks for password 14.04 LTS

I have installed Samba share on Ubuntu 14.04 LTS - I can see my Windows machine via 'Browse Network' but when I double click the icon it asks me to verify my username, workgroup and password. The ...
2
votes
1answer
2k views

Ubuntu 14.04 - New User Account

I have a question regarding the creation of a new user on Ubuntu 14.04. When I go to "User Accounts" and click "+" to make a new account it asks for "Account Type", "Full Name", and "Username". After ...
2
votes
1answer
441 views

Ubuntu 13.04 users switching without password [duplicate]

My wife and I share the same PC, we only use two different users for easier switching between each other's task without interrupting anything. We're not concerned about privacy nor security. Whatever ...
2
votes
3answers
3k views

why doesnt ubuntu 13.04 prompt me for a password after suspend?

I am on 13.04 and waking from suspend takes me straight to desktop without a password prompt even though it is set to ask for a password in the brightness and lock settings. Also I recently tried to ...
2
votes
2answers
2k views

After upgrading to 12.04 LTS it returns incorrect password

After upgrading my netbook to the current version of 12.04, I am unable to login. When I try it returns incorrect password even though it is the correct password. I have tried to reset the ...
2
votes
3answers
4k views

How move Firefox bookmarks from Windows to Ubuntu 11.10?

How can I move Firefox bookmarks from Windows to Ubuntu? I have Windows XP on one machine (which is very old and runs Firefox 8) and have Ubuntu 11.10 on another. I want to copy Firefox bookmarks to ...
1
vote
1answer
33 views

Why is there a delay when entering a wrong password?

When entering the right password the application or the OS (no specific application, pretty much everywhere) accepts this immediately, but when entering a wrong password there is a slight delay of 1-2 ...
1
vote
0answers
162 views

How to enter password on console with NetworkManager's nmcli

I want to connect to a VPN with nmcli. Is there a way to allow me to provide a password to nmcli from the console? There seem to be ways to store the password in ...
1
vote
1answer
545 views

`sudo` asks for password even when I have no password set?

I removed the password from my account using the "User Accounts" window and then on running sudo, it prompted me for a password, even when i didn't have one. I tried pressing enter without entering ...
1
vote
1answer
92 views

Remember Ubuntu password but ask for sudo confirmation

When I'm done with making Ubuntu remember my password and do not ask for it before risky actions... Is there a way to get safe pop up confirmation window (without password input, just OK or cancel)? ...
1
vote
2answers
919 views

sudo doesn't ask for password anymore

I did not notice it but it has been quite a while since I entered the password for using sudo priviledges. Here is my /etc/sudoers file: # # This file MUST be edited with the 'visudo' command as ...
1
vote
1answer
216 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
vote
1answer
104 views

How to make Ubuntu Server 12 read keyboard input by the password line on login?

I have recently installed Ubuntu Server on my machine - successfully. However, the system does not read my keyboard input on the password on login. Is there something I did not do right? How do I go ...
1
vote
1answer
3k views

Why won't Ubuntu installed using Wubi accept my password?

I can boot into Ubuntu just fine as a guest but it refuses to accept my login name and password that were set during the Wubi install. I reinstalled it again with basic login and password just to make ...
1
vote
4answers
4k views

Broke my sudoers password, how do I reset it without using sudo? [duplicate]

I thought it would be a good idea to finally take the password off my little netbook since it has never actually been of any use, and has mostly just slowed down . But when I went to change my ...
1
vote
2answers
3k views

sudo credential caching on by default

Just installed a minimal ubuntu 12.04, then installed xfce4 and xinit from the command line after first boot. Totally vanilla installation afaik. I'm noticing that sudo caches the password until I ...
1
vote
1answer
992 views

Adobe Air workaround for Pandora not working

I was trying this symbolic link approach because of the problem described here: http://askubuntu.com/a/120221/70462 After I made the symlink, the installation proceeded further than before, but it ...
1
vote
0answers
84 views

User account password removed but terminal still asking for password [duplicate]

Possible Duplicate: Authenticate user that has no password? I'm new to Ubuntu. I recently installed 11.10 and removed the user account password. However, now when I try to do anything in ...
0
votes
1answer
76 views

14.04: No Auto login at User Account settings - I am administrator

This is what my picture would look like if I was allowed to post pictures... Account Type Administrator Language English (New Zealand) Login Options [blank] Password **** Last ...
0
votes
1answer
72 views

Ubuntu 14.0.4 freezing [duplicate]

I've just installed 14.0.4 and it freezes if left for any amount of time (more than a few minutes) The mouse moves, but any input on the keyboard isn't shown on screen (password lock screen) The ...
0
votes
1answer
326 views

Connect to my College's WPA from Ubuntu 14.04 LTS [duplicate]

I have Ubuntu 14.04 LTS, and am running it on a Sony Vaio VGN-CR12OE. It is the only operating system. I am trying to connect to my college's WPA WiFi. My settings for this WiFi connection are as ...
0
votes
2answers
285 views

Want to change password my login

I want to change my computer's password. Right now my password is abc123. I run this command: sudo passwd I entered my current password and then a new one but the change does not take effect. How ...