0
votes
0answers
15 views

add authentication prompt to thunar file manager

I would like to know if there's a way to be asked for authentication every time I open thunar file manager. sort of like when you open synaptic package manager. I've tried cryptkeeper and other things ...
2
votes
0answers
21 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 ...
-1
votes
1answer
34 views

AUTHENTICATION PASSWORD UNKNOWN [duplicate]

I have ubuntu 12.04 LTS and I do not know my authentication password due to which i cannot install any software. Its urgent. Please tell me a solution and not a suggestion. In case , if I have set the ...
0
votes
1answer
53 views

DigitalOcean droplet root password not accepted for client, but works for console

I have an Ubuntu 14.04 droplet with PubkeyAuthentication set to yes and PermitRootLogin set to no. Since I created it, my pubkey has worked fine. For some unknown reason today it's not accepting my ...
0
votes
0answers
15 views

Samba printing: difference in prompt for authentication vs set authentication details

I'm connecting a printer via Samba and am observing the difference in Authentication. When I hit 'Verify' using the 'Prompt user if authentication is required' details, and I enter my username, ...
0
votes
1answer
132 views

How to stop having to enter password twice to unlock the screen?

Recently when I lock my Ubuntu 14.04 account I have to write my password twice in two different places before getting in. This happened recently. I think I might have installed some stuff that I saw ...
1
vote
0answers
55 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 ...
0
votes
0answers
6 views

How to get password working again after upgrade? [duplicate]

Installed Ubuntu 14.04, but my password doesn't work now. This is on an HP laptop PC that accepted my password before the upgrade.
1
vote
1answer
52 views

How to make sudo use a separate password?

Using Ubuntu 14.04, I have 2 accounts: Account A (first one set up) with Password 1 Account B (second set up) with Password 2, when updating software in Account B, I use Password 1 to authenticate. ...
2
votes
1answer
420 views

Can't SSH in as root

I'm using the default installation of openssh-server for my Ubuntu 14.04 server. I can connect through the console as root like normal, with my username and password. When I try to SSH with the same ...
0
votes
1answer
46 views

Download apps in ubuntu software centre

I am having a problem authenticating in Ubuntu 12.04. I have no password. I have bought my computer online. There is no password when I log in. It's showing me unsuccessful password. So I cannot ...
1
vote
0answers
18 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 ...
-2
votes
1answer
73 views

Please help me disable authentication! [duplicate]

This is very annoying. I don't want to sound like a drag or anything to you security people but I switched over from windows and everytime I install or do something I need to type a password. Is there ...
0
votes
1answer
39 views

Administrative password doesn't work when I try to install applications

I have a problem. When I try to install something from the software center it tells me my password is incorrect. In my account, I just changed my password to 'None', since I don't want to be prompted ...
1
vote
0answers
25 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
26
votes
1answer
1k views

How to know if a authenticate box is real or fake?

For example, someone creates a fake Authenticate dialog to get my root password. How to know if it is real or fake?
0
votes
2answers
69 views

Why does Ubuntu keep asking me for another super user's password?

I have two users: misha-local (the first user I created when installing Ubuntu) misha (a user authenticated against an LDAP server) I'm logged in as misha. misha@misha-antec:~$ whoami misha ...
0
votes
1answer
51 views

ssh pair key authentication problem

I have a problem with public and private key authentication. I do this steps and then, public-key based doesn't work. 1- generate a pair of private and public key (RSA) using the following command: ...
1
vote
2answers
206 views

Administrator password

I have recently installed Ubuntu 14.04 on my laptop and when I enter the admin password (it is only me using the system) I get the message that the password is wrong....I know that this is not the ...
0
votes
0answers
41 views

Ubuntu 12.04 Authentication is broken

I'm running Ubuntu 12.04 LTS on VM. It was fine till last friday. There were some updates available, some were related to security stuff, I don't remember exactly. After that my system is broken. I ...
0
votes
0answers
70 views

Bogus FF user/pass authentication prompt on nxdomains

When I want to log into my router's web interface, I enter the following into my browser's address bar and hit return: http://192.168.1.1/Status_Router.asp (Actually, I have that bookmarked.) My ...
0
votes
1answer
64 views

Require password even though I removed it

Good day. One day I decided to remove the logon password from the setting. After that when I tried to change my other settings eg : install another language, Ubuntu states it required Authentication ...
1
vote
0answers
2k views

Password authentication problem [duplicate]

So I wanted to download some software, and it says I need to put in my password, but I didn't put a password on my account, so I didn't add a password and clicked authenticate, but it says that my ...
0
votes
2answers
79 views

Installing apps programs etc

Im new to Ubuntu. I'm trying to install apps etc, but it keeps asking for authentication. I don't where or how to create a password. I've had a look in system settings but no joy
0
votes
1answer
533 views

What is the authentication password?

I'm very new to ubuntu, and i just installed it on my new chromebook acer c7. I never made an authentication password, and when I try to download something, it asks me for it. Please help!
2
votes
2answers
11k views

OpenVPN - Password Authentication Only

When using the OpenVPN Client for Windows, I can log into the OpenVPN server with only a username and password. I can't figure out how to make the same thing happen in Ubuntu. It seems that some kind ...
0
votes
0answers
19 views

help with authentication password [duplicate]

When I try to install or remove software it asks for an authentication password but I don't have a password and never set one so how do I reset the password
4
votes
4answers
349 views

How can I prevent a user from changing their password? [duplicate]

I want to prevent a user from changing their own password. Additionally, if possible, I want to prevent them from changing it via sudo.
1
vote
1answer
262 views

I can authenticate but can not login in using my password?

Here is my story : there were days when I had my password and everything was fine. I removed my password : Opened User accounts Unlocked it by pressing "Unlock" button Selected my username (btw, I ...
4
votes
1answer
2k views

Wifi only accepts passwords of 5 or 13 characters

Installed Ubuntu 13.04 and when attempting to connecting to a home wifi network, the connect button is only click-able with passwords of 5 or 13 characters. Is there a fix?
1
vote
1answer
93 views

Difficult Problem - I'll Try To Explain [duplicate]

OK, so my husband and I have had Ubuntu 13.04 I believe for about a week now, or whenever they released it. Yesterday, turn on the computer and his "user" and everything with it, was gone. Mine, still ...
1
vote
3answers
11k views

sudo su fails with 'Unable to change to sudoers gid :operation not permitted.' fault [closed]

I have installed ubuntu and now I want to install flex. It asks for password but when I type my password, it asks me the password for root. When I enter the password which I had specified during ...
1
vote
1answer
2k views

Authentication issue after Wubi installation

I am unable to log-in to Ubuntu with the username/password combination I gave on Wubi at the time of installation (incorrect username/password error). This happened twice; the first time I really ...
0
votes
1answer
1k views

i cant remember my password [duplicate]

my computer goes on standby every 5mins and will then request for an authentication password; i cant remember setting any password. so i will have to restart the computer again before i can use it. ...
2
votes
2answers
2k views

Graphical authentication works; why does sudo say my password is wrong?

I'm trying to install a theme, and when I enter the command sudo cp -r $HOME/Desktop/Overglossed /usr/share/themes the terminal asked for my sudo password which I entered, however I'm told my password ...
1
vote
1answer
253 views

I cant login in Ubuntu Server after passwd command [duplicate]

Possible Duplicate: Authentication token manipulation error I installed Ubuntu Server using Oracle VM on my Windows 7 for practicing GNU commands. I used the passwd tool but after using ...
-2
votes
2answers
2k views

authentication is required to change user data

I set administrator password to blank. Now, I can't install new programs (message see in title), or change the admin password ("change" button grayed out). I tried a suggested fix from inside the ...
0
votes
1answer
4k views

Password Authentication Problems [duplicate]

Possible Duplicate: How do I reset a lost administrative password? I am new to Ubuntu, am extremely delighted with the performance and speed, as compared to Windows 7-However, I messed up, ...
1
vote
1answer
178 views

Authentication problem — locked out from changes [duplicate]

Possible Duplicate: How do I reset a lost administrative password? Why can’t non-admin users install software? Authentication for everything I am really frustrated about the ...
5
votes
2answers
6k views

Installed perfectly but password not working for login or authentication

I installed Ubuntu on an old XP machine (replaced XP with Ubuntu) and it seemed like it went well... Until I tried to download and install the suggested updates! The password I set during ...
0
votes
1answer
997 views

My password won't work [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I've tried to change in grub but doesn't work. "mount -o rw; remount" doesn't allow it either
4
votes
3answers
3k views

Is there a way to lock my browser with a password?

It would be OK if it was only with my login password, but I would like to lock both midori and Firefox so that they cannot be used without entering a password. I'm running 12.04.
2
votes
1answer
210 views

How do I create one user without key authentication?

I've completed the following steps: I have configured Ubuntu server with Key authentication and it is working fine. I have disabled password authentication for key authentication to work. The server ...
1
vote
2answers
1k views

I have removed my password now what should I answer when it asks for password?

I used pass word earlier but for now I removed password and used to login without password. Now some actions need administrators aurthentication through password even to set password I it asks for ...
1
vote
2answers
4k views

Passwordless su in a Bash script?

I've run into a dilemma while migrating a Hadoop installation from Oracle Enterprise Linux to Ubuntu. The prior developer put the following command into rc.local within OEL: su reporter -c "cd ...
1
vote
1answer
946 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
3answers
12k 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 ...
3
votes
1answer
1k views

Once authenticated once, passwords are cached in lightdm

We are preparing 12.04 LTS for our userbase and have done some basic configuration to the login screen (disabled guest account, removed user list, etc). However, one thing that I've noticed is that ...
0
votes
2answers
6k views

sudo in the Terminal seems not to accept password input [duplicate]

Possible Duplicate: Nothing shows up on the screen when I type my password I upgraded to Ubuntu 12.04 LTS and was trying to update software with sudo apt-get .... In the Terminal I am asked ...
2
votes
2answers
12k views

I cannot enter my password when using sudo to install Sophos AV for Linux [duplicate]

I cannot type my password as shown below. After successfully unlocking root account in Ubuntu 12.04 LTS. saintmichael@ubuntu:~$ sudo usage: sudo [-D level] -h | -K | -k | -V usage: sudo -v [-AknS] ...