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

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0
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0answers
44 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
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
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
47 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
142 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
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 ...
0
votes
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
44 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
70 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
17 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
votes
3answers
141 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
48 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
233 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
76 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?
2
votes
0answers
634 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
76 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
32 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
145 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
41 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
votes
0answers
41 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 ...
4
votes
1answer
2k 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
votes
0answers
24 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 ...
2
votes
1answer
139 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
70 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
33 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
26 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
vote
1answer
179 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
702 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
41 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
192 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
30 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
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
12 views

How do I restore the password from another installation?

I have Arch installed along with Ubuntu. I forgot the password for Arch. Luckily, I can read its /etc/passwd file. But I can't understand what the password really is and if it is there anyway or not. ...
0
votes
0answers
242 views

Ubuntu 12.04 Can't Log In With Correct Password

For some reason I can no longer log in to my account. This happened after changing my password. Sometime after that I accidentally unplugged the computer which shut it down. Once restarted I could ...
0
votes
1answer
85 views

Would like to use different passwords for initial login and sudo for encrypted home folder

I just encrypted my home directory using ecryptfs and the instructions from How to Encrypt Ubuntu Home Folder After Installation. In order to really benefit from the encryption, however, I needed to ...
0
votes
0answers
53 views

How to make gksudo or gksu sessions last longer in ubuntu

Every time I want to open a GUI program that needs root permissions, I have to put my password. For example, I open synaptic and put my password then close it and a second later decide to reopen it it ...
0
votes
0answers
41 views

WLAN0 scans but doesn't connect

I have two older Dell computers now working on Lubuntu. Had much trouble getting the Broadcom cards to work, but with Askubuntu help, they are now working. However, although wlan0 scans, sees my ...
0
votes
0answers
20 views

Why am I getting error essages when I am trying to change my password? [duplicate]

I am running Ubuntu 12.04 on a Dell Inspiron 1520. I am new to Linux and Ubuntu. Actually, I forgot my password. Then I followed help directions to log in as root. After that I changed one password ...
0
votes
2answers
43 views

Is adding a user needs password [duplicate]

In my Ubuntu after login by my user account, I want to create another user I intered bellow commands : adduser alex_2 -m I created new user, but when I want to login, Ubuntu needs passwords and I ...
0
votes
0answers
31 views

Remote Network Access Control

I'd like to know which software/process would help me do the following: I've got two offices (A & B) in which I will install Ubuntu 14.04 on their respective Desktop PCs. Both offices would have ...
0
votes
0answers
11 views

How to gain root access to UEC image?

When openstack creates an instance from a UEC image (using precise amd64), the SSH public key is successfully injected via cloud-init and I'm able to ssh into the instance via the ubuntu account, but ...
1
vote
0answers
808 views

How to change password requirements?

I tried to change my Ubuntu password but it keeps saying my new password is not "Good Enough" even when it passes my company security requirements: At least 8 characrters At least one number At ...
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
57 views

How can i keep password for a folder? [duplicate]

I want to keep password for my important folder where my all the documents are kept so how can i keep password for it?
0
votes
0answers
28 views

When I tried logging in with the username and password I used in Wubi, it wouldn't let me log in

So I just installed ubuntu 13.04 on my Windows 7 laptop not replacing Windows 7 with Wubi. But for some reason when I used I loged on to Ubuntu using the username and password I typed in for Wubi, it ...
0
votes
0answers
56 views

When I tried installing Google Chrome, it asked me for a root password

I just got Ubuntu on my Windows 7 laptop. When I installed Google Chrome, it asked me for a "root password". I tried my own password for my account and it didn't work. Then I searched for a way to ...
4
votes
1answer
255 views

Why does the terminal not hold my root password for sudo? [duplicate]

I stopped using Ubuntu for a while (since 12.10) and recently came back to it. From what I remember, it used to only ask for the root password once for a terminal session (for sudo commands). Now it ...
0
votes
0answers
41 views

Unity session goes to lock on app launch, and won't unlock with password

Has been happening on every Ubuntu machine I've used to date, which is a total of 4. Started in 12.10 as far as I know, but it might have happened with 12.04, 12.10, 13.04, 13.10 and now 14.04. It ...