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

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1answer
203 views

Unable to lock Ubuntu 15.04?

I have ubuntu 15.04. When I press alt+ctrl+l to lock my ubuntu, a black screen appears with my mouse pointer. When I start to move to pointer the black screen goes and ubuntu desktop appears(as if it ...
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0answers
20 views

Passwordless login when I start Ubuntu [duplicate]

When I start Ubuntu, it asks for a password, in order to login to my account. I want this step to be skipped. How can I do that?
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1answer
59 views

problem with sudo somehow disabled

This is for an Ubuntu 15.04 on a laptop (Dell inspiron 3135). Somehow the capability to use sudo got lost, and probably connected, I can no longer log in on a locked screen. There is no problem to ...
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1answer
172 views

Resetting my password through the root doesn't work

I went to the root, and then typed in "passwd username" except I used my username. Instead of giving me an option to change the password, it says "Usage: passwd [options] [LOGIN]" and then gives me ...
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1answer
70 views

MySQL Login Error

I recently installed mysql-server on my Ubuntu 14.04 LTS computer and was able to log in only once. I didn't change any passwords or user information but now when I try and login it keeps throwing ...
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1answer
41 views

Password invalid [duplicate]

I tried the process recommended, but was unable to reset the Password. regardeless of what I typed, the results were always "root@jimmie-z62FM:~#". I tried adding or deleting spaces and would ...
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1answer
154 views

I can adduser and login through the Terminal but not through the GUI

What should I do in this case? I added the user through "adduser" command. The user has a Home-Folder, but when trying to login through the GUI, it always says "wrong password"! What should I do?
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0answers
33 views

Password does not work in the Ubuntu terminal [duplicate]

hola ojala me entiendan español yo tengo un lenovo thinkpad sl500 y tengo instalado ubuntu 14.04 lts en una micro sd de 16 gb cuando intento installar pipelight me pide contraseña y no me deja ...
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1answer
133 views

Reset password for mysql in ubuntu: [duplicate]

Refer from this question (Resetting forgotten phpmyadmin password) I am trying to reset the password of mysql installed.But run the third command mysql -u root mysql i will get the error ERROR 1045 (...
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2answers
107 views

Ubuntu Password Change [duplicate]

I am trying to change my password. I was able to change the password using the root shell, then I rebooted my computer. I tried to login using the new password and it seemed to work, but after putting ...
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1answer
239 views

Password is not required when log in to ubuntu 14.04LTS [duplicate]

I am using ubuntu 14.04 LTS for a week only. First, there was a password. Then I made the setting 'log in without a password.' After 2 days I again made a password. It is required for authentication ...
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2answers
426 views

Ubuntu 14.04 LTS - Why can User bypass password at Unity Login?

We've had Ubuntu on my wife's computer at home for several years now and as far as I am aware, she has always had to use her password to login. However, a couple of days ago, she pointed out to me ...
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1answer
66 views

Input/output error on /etc/shadow

the file /etc/shadow seems to be corrupted as every time I try to remove it throws an input/output error. Now this is a problem because it contains my passwords and I get login without it. Anyone now ...
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1answer
882 views

Ubuntu Live 14.10 Default Password for ubuntu-Desktop-next

Hi am trying use try ubuntu with live cd, and i could see there is default username called "Ubuntu-desktop-next" may i know the password for that.
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1answer
93 views

Easing entry of sudo password for remote hosts?

I'm logging on to remote hosts via SSH to do server admin. The login uses a cert but I login as a normal user (ssh -p $PORT $USER@$HOST) and use sudo to run commands. It's a pain to have to enter the ...
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1answer
52 views

How do i reset my password [duplicate]

Ok so i tried to reset my password using these instructions Hold shift during start menu to open up the ubuntu menu Hit enter on recovery mode Hit enter on root After that this appeared like it was ...
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1answer
214 views

How do I reconnect my WiFi without entering the superuser password?

The connection to my Mythbuntu system was recently changed from cable to WiFi. Now sometimes the computer disconnects the WiFi-connection and prompts for authentication. How do I tell Mythbuntu to ...
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1answer
389 views

Why does the password for a zip-file not work?

I've tried to unpack a password-protected zip-file on Ubuntu 14.04. Although I am absolutely sure the password I use is correct the built-in unzip-function gives an "unknown error".
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1answer
86 views

Why kde keep asking password when i use chrome even if the password is not saved?

I have not saved the password of a website, but kde keep asking me that password and I find this annoying. :|
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1answer
81 views

Using 12.04 LTS network manager mixing up login and wifi passwords

I've been using 12.04LTS on my laptop for a while now, with automatic security patches etc. etc. I use wired ethernet at work, and wifi at home. Until recently both worked seamlessly and without any ...
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1answer
237 views

Unable to lock Ubuntu 14.04 desktop

I have been using Ubuntu 14.04 for nearly 8 months now and have been a long time Ubuntu user. Recently, I disabled the password for my user account and later re-enabled it. However, ever since doing ...
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1answer
210 views

User logs in without asking for password , and can't log out of user and also can't lock screen?

I have just installed Ubuntu, and set a password while installing which it was 1234 , and then after I was done installing I wanted to change it, but when I went to the user account and unlocked it, ...
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0answers
1k views

“Permission denied, please try again.” ERROR when trying to connect to localhost through ssh [duplicate]

I know this problem has been discussed several times in the forum but none of the steps recommended to remedy the problem have worked in my case. In the following I will describe again the problem ...
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1answer
47 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 ...
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1answer
192 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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1answer
217 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
24 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 ...
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1answer
50 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 ...
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1answer
131 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 session,...
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2answers
60 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 (...
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1answer
232 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 ...
0
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1answer
255 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
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2answers
2k 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 password....
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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" ...
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0answers
16 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
votes
1answer
43 views

need information about my username and password [duplicate]

Just got my laptop and Ubuntu was already installed when I switched it on. I don't know my username nor password, no disk / paper was included. So I can't install applications or run this program ...
0
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1answer
569 views

File cracklib_dict.pwd not found when creating a new user or changing his password

I have created new users and changed his/her password lots of times on Ubuntu, Xubuntu, Kubuntu, Lubuntu, Desktop, Server, Live... etc. But, since a few weeks ago (I think it is due to the last system ...
0
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1answer
159 views

Default keying: How to require password?

Ubuntu 14.04 32-bit I always had to enter password for default keyring, immediately after logging in. Just noticed that the popup asking for password doesn't popup any more. How do I go back to ...
0
votes
1answer
2k views

ssh connection fails with and without rsa keys

I've got a machine running Ubuntu in the office.I've got a machine running Mint at home. My goal is to be able to work from home connecting to the office with ssh. I swear i tried to look for similar ...
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2answers
95 views

Can anybody read my password protected hard drive files using my hard drive as secondary hard drive?

So i have a laptop with ubuntu as OS. now can anyone having physical access to my hardrive ,see my data just by simply using it as secondary hard drive in another laptop or machine?
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1answer
2k views

windows network password required for share

I want two-way sharing between Windows 7 and Ubuntu Studio 14. I never used Ubuntu before, but I managed to get it to work one way (I used Samba to share one of my Ubuntu partitions, now I have acess ...
0
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1answer
611 views

14.04 Default keyring

I updated from 12.04 a while ago. Didnt have this problem before. Once after I log in, and every time I open a browser, and some seemingly random times - I get an "create password for default keyring"...
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1answer
80 views

Every installation on desktop asks for passwords that I never set in the first place

Everytime I boot up and try to log in using ubuntu, it asks for a username and password: which I have never set in the first place. So I log in under guest account. But when I try to change ANYTHING ...
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0answers
69 views

I am not getting the root prompt in recovery mode [duplicate]

I have dual boot Ubuntu 13.04 OS. I forgot my administrative password. I have tried the method in which you told to reset the password. After logging in recovery mode I selected root but it is not ...
0
votes
1answer
222 views

Cannot re-enable password requirement for login to my account after disabling it. (14.04)

Okay, yesterday I temporarily took the password requirement off my login account (the only account on the machice). I then later tried to re-enable it. The password took (it uses this when I sudo for ...
0
votes
1answer
98 views

Stuck in log-in loop, Ubuntu randomly crashes, Windows still boots first

I'd really appreciate it if someone could shed some light on 3 problems of mine: I tried to reset my forgotten account password using the "standard way" in this guide. However, when I enter the new ...
0
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2answers
120 views

After inserting a new OS entry, GRUB2 asks for password

Yesterday I installed a new fresh Ubuntu system, and installed Android-x86 in another partition. Then I followed this tutorial to add an entry for Android-x86. My 40_custom file: #! /bin/sh -e cat &...
0
votes
1answer
135 views

Install boto without password

I am new to Ubuntu. I have a virtual box on a Windows 7 computer. I went to this page. https://github.com/boto/boto I need to install boto. The commands are $ git clone git://github.com/boto/boto....
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votes
1answer
325 views

Xubuntu 14.04 Light Locker Password Not Working

I was trying to install epsxe psx emulator for my desktop. For some reason after I ran the download in the terminal all my partitions got unmounted as i viewed them from my file system and since I ...
0
votes
1answer
142 views

I can't make Ubuntu ask for a password anymore!

I enabled auto-login some time ago and now I can't disable it. I've switched it at the user accounts options and it doesn't work! It says "off", but it's actually still on. And I also can't make ...