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

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26 views

Changed account setting to not require password on login and now I cannot login

So I was temporarily making it so that my bro could log onto my laptop without me being there since I would be going out tonight, so under User settings I checked the box that said something along the ...
2
votes
1answer
42 views

ecryptfs - unknown password and possibly lost

This is probably going to be a long post, but at the moment I cannot see the wood for the trees, so any help appreciated. In a nutshell: the other night I changed my (login) password. Then forgot it. ...
1
vote
1answer
35 views

How to set a password for Ubuntu Cloud Images (ie. NOT use ssh)

I'm running an OpenStack cloud with a very particular network configuration, that makes it impossible for an instance to communicate with anything in the outside world until after I login into it and ...
0
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0answers
34 views

14.04 - boot up -> password box presented -> wait a full minute before I can actually enter password!

This only started happening when I upgraded to 14.04. Upon cold start, I am presented the password screen, but I can not enter a password - both mouse pointer and password box are frozen. The system ...
0
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1answer
33 views

Managing passwords

I've created as administrator other account using the command sudo adduser newuser. The system asked for a UNIX password and I provided it, but now I want to create a sudo password for that account. I ...
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0answers
14 views

Help for logon after update to 14.04

I install ubuntu 13.10 Saucy Salamander in january 14 and made update 3-4 weeks ago. By the first install in january, I did not made a password to the computer - I just typed Enter. After update the ...
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0answers
25 views

Password lost on my install of ubuntu [duplicate]

I have forgotten my password on ubuntu there is no way i will be able to remember it, nor did i write it down i need to install a program on my install of ubuntu and it requires a password can anyone ...
0
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2answers
33 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. ...
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0answers
20 views

Cannot get into my admin account? Says the account does not exist when I try to change to change the password?

I tried to go and change the psswd but it says the admin account does not exist? I changed the system password but I still cannot get into the admin account and it's driving me up the wall. Is there ...
0
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2answers
66 views

How to create my user name and password

I just bought my new HP laptop and the OS is Ubuntu. It never asked for my password when I first used it and I never made one. Every time I try to add or download stuff it always asks for my password ...
4
votes
3answers
143 views

New admin account asking for a password?

I've made new admin account. I did not set a password for that account and it now asks me for the password. Since I can access the account as it automatically logs on when the laptop is turned on, can ...
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0answers
20 views

Disable Nautilus password saving

It's possible to disable the Nautilus's password saving capability when I connect to windows share? I want to achieve that every time the user opens a password protected windows share, he/she should ...
0
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2answers
80 views

Ubuntu 14.04.1 howto set a short non complex password for very kiddies?

I tried different things: edit /etc/pam.d/common-password and /usr/share/pam-configs/unix, none worked, account remains disabled, I can't set the password, the "Change" button remains grayed :)
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0answers
13 views

I modified sudoers. All users can not use sudo now. How should I fix this? [duplicate]

I was trying to save times to type password for sudo because one of my scripts had to be randomly repeated quite often. I googled some information about how to bypass typing password and applied to ...
0
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0answers
34 views

Applying password with command in Terminal [duplicate]

Is there an option to apply a password with the command in the terminal? Somethhing like: sudo some-command -pass=mypass I'm just curious, I know that this is not safe.
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1answer
38 views

how do I install myself as owner in 14.04? [duplicate]

How do I install myself as owner? The system keeps telling me I'm not authorized. I put in my profile but that didn't seem to do anything.
0
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0answers
43 views

I don't want other administrator to change my password [duplicate]

I have one administrator account in my system which named as "admin". One more admin account called "test". I don't want test account to reset "admin" account and root account password in my system. ...
0
votes
1answer
34 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
22 views

How to enable password for administrator user account [duplicate]

I disabled the password for my user account while I was logged in (I was the only administrator). But I did not enable automatic login. I switched user to "Guest", but when I switched back to my ...
0
votes
2answers
40 views

Why is incorrect passsword check slow? [duplicate]

Observed it many times on many Ubuntu versions. If you type wrong password either in UI mode or in terminal, it takes little more time before it declares incorrect password. Correct password check is ...
2
votes
1answer
89 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 ...
1
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0answers
14 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 ...
0
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0answers
15 views

Password restriction is not working

I have two administrator accounts "magesh" and "test". I don't want "test" user to change my password in the UI. I have restricted it in terminal by giving the following commands in /etc/sudoers ...
-3
votes
1answer
33 views

How can I disable password on termina? [duplicate]

I am trying to install a software through terminal. It asks for my password and i have given the correct password but still it says wrong password. Then i removed all kind off password from my login ...
0
votes
2answers
46 views

Cannot login through the command line

I have only been using Ubuntu for about three weeks so do not be surprised if you lose me trying to explain something, I will try my best to be as detailed when needed though. Anyways, Unity right ...
0
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0answers
15 views

Wanna to Make password shorter less than 4 character in Ubuntu 14.04 LTS [duplicate]

Hello please help me to short the length of password in ubuntu 14.04 LTS . I tried some method like edit the file /etc/pam.d/common-password and make minlen=4 but this is not working becoz terminal ...
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?
2
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3answers
95 views

Completely Messed up sudoers file and su Operations

I am in a really bad condition right now.I am jotting down the steps I did to get myself into this situation. My objective was to disable sudo on my machine. I am running Amazon Ec2 Ubuntu 12.04 I ...
0
votes
2answers
27 views

Can't sudo after removing password from administrator account

I'm using Ubuntu 13.10 64bit. In the "System Settings"->"User Accounts" I chose the "Login without a password". This was my only administrator account, so according to this answer, I encountered bug ...
1
vote
0answers
66 views

Upgrade from 12.04lts to 14.04lts login loop

Kinda a newb but I upgraded from 12 to 14 when I did I changed my login password now when I try and login I get into a loop, if I do this I can login in "These suggested instructions apply to my case ...
0
votes
1answer
52 views

Is there any way to change the "Invalid password, please try again' text?

I wanted to change the "Invalid password, please try again' text to "PERMISSION DENIED... and... YOU DIDN'T SAY THE MAGIC WORD!" Is this even possible?
25
votes
2answers
4k views

Why is this password not good enough?

I was changing my password on Ubuntu 14.04 and wondering why is this password not good enough: pr#cur@rempr_3go! My current password is procurar@empr3go! Any ideas?
1
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0answers
157 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 ...
0
votes
1answer
68 views

keyboard starting layout

I have just upgrade my system to 14.04 During instalation i chose greek as the main keyboard language when i was prompted to enter the password i used one with latin characters in the problem is that ...
0
votes
0answers
21 views

GUI applications doesn't ask for sudo password

I have bought a VPS and installed Ubuntu 12.04 on it. However I needed a GUI, so I installed xubuntu-desktop packages and a vnc server. That part just works fine, I also created a user, and added it ...
0
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0answers
81 views

ssh authentication failure in ubuntu 14.04

I'm running 14.04 via VMware in my mac, I create an rsa.pub key and now I want to pass the key in my Mac /known_hosts file. So I try it with: cat ~/.ssh/id_rsa.pub | ssh root@newserver "cat ...
0
votes
2answers
40 views

What is my password for kubuntu?

I just installed kubuntu. What is my password? I've never entered a password but it won't open to the desktop unless I enter a password. Thanks
0
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0answers
31 views

Password passes through login screen to active desktop window

I get to my computer. Shake my mouse and the Ubuntu login screen shows up. I start typing my password and nothing happens. I click enter. (Since I do this without thinking) I notice the focus in the ...
2
votes
1answer
209 views

unable to reset root password of mysql

I need to reset the root password of my local mysql installation but it woudln't let me. I've tried this: $ sudo /etc/init.d/mysql stop * Stopping MySQL database server mysqld ...
0
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0answers
21 views

ubuntu password [duplicate]

I just got a computer from a friend of a friend. It has Ubuntu and an unauthorized version of Windows XP loaded on it. I want to be able to eventually get online with the computer; however, when it ...
1
vote
1answer
79 views

Lock screen password misses first character in 14.04

I am running Ubuntu 14.04 (64 bit). In my previous Ubuntu, which was 12.04, when the screen was locked and the monitor went blank, I just typed the password and hit enter. Even though everything ...
0
votes
0answers
51 views

Login screen getting hanged after it wake up from Suspend, unable to enter password

Also the background of login screen (after suspend wake-up) is different from screen I get after Restart/Shutdown. Every I need to restart the system after suspend. Please help me to solve this. I ...
1
vote
1answer
31 views

Activate wifi with password

is it somehow possible to set a password so that you can't turn on wifi? thanks in advance Christian Ubuntu 14.04
0
votes
1answer
24 views

How to stop at boot menu for ubuntu miniPC

I had a PC running Ubuntu 12.10. Haven't used it much after installing OS. Now I can't remember the password. Tried to go to single user mode to reset password, unfortunately, when pressing SHIFT ...
1
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1answer
94 views

LUKS hdd encryption: Maximum maximum password length?

Is there any maximum lenght of the passphrase in the hardrive encryption option on ubuntu (luks)?
0
votes
1answer
244 views

Ubuntu 14.04 Login screen password always incorrect

I have just installed ubuntu 14.04 for the first time woot. I am a long time windows user and dont like where windows is headed so i decided to switch to ubuntu and only use windows for gaming. ...
0
votes
1answer
31 views

Change ownership or permissions of external drive using username and password

There must be an answer to this, but I really could not find it anywhere. I have an external hard drive with data from an older computer, i.e. I have the old username and password, but these do not ...
2
votes
1answer
87 views

How do I enable password request after hibernation in lubuntu 14.04?

I'm running lubuntu 14.04 and have finally managed to enable hibernation. However, after hibernation, the system will start without asking for my password. I've tried several advices posted for ...
2
votes
1answer
24 views

Can i customize the password prompt window/box( to perform administrative tasks)?

Can i customize(change colors, the shape) the windows/boxes,that are shown below: Where those settings stored in CSS?
0
votes
2answers
58 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 ...