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

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1
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0answers
56 views

SSH user problem

I am sort of a Unix newbie, trying to set SSH for my 12.04 server. I have 2 users in my system one has password the other does not, both are set as admins. My object is have the passwordless user ...
1
vote
2answers
67 views

New User Account has no password even sudo passwd accountname

I created a new user account without a password. I later used the GUI and Terminal methods to add a password to this new account. I have tried several time with reboots, logout/login after adding the ...
-2
votes
1answer
96 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
108 views

Logging in as root [duplicate]

Newbee to Ubuntu. I've just installed Ubuntu 14.04. How do I log in as root? Alternatively, when performing su, what's the default root password? Thanks in advance.
0
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0answers
22 views

Resetting password in GRUB [duplicate]

I am trying to reset my password thru GRUB, but when I get to the command line "type new UNIX password", it won't enter anything I type. the cursor doesn't move. on a previous attempt, I got as far ...
-1
votes
3answers
43 views

Trying to unzip a locked folder

I recently downloaded a .zip archive, and i want to unzip it, so that I can run the application inside, but when I try to, it asks for a password. I am the root on my laptop, so I put in my own ...
1
vote
1answer
60 views

Confused about the security of ubuntu (Linux)

Assume I have a laptop with ubuntu installed and two users abc and root. Both users are password protected. It is possible to reset root password using live CD or USB using chroot which would mean ...
0
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0answers
41 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
133 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
578 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
43 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
36 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 ...
0
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0answers
34 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 ...
2
votes
2answers
3k 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. ...
0
votes
0answers
31 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
votes
2answers
74 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
185 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 ...
1
vote
0answers
25 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
votes
2answers
337 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 :)
0
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0answers
16 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
votes
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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votes
1answer
50 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
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
48 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
54 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 ...
3
votes
1answer
284 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
35 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
54 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
94 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
votes
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
209 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
64 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
290 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
97 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
1answer
909 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
81 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
36 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
votes
0answers
178 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
48 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 ...
6
votes
2answers
4k 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
30 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
191 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
71 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
36 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
28 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 ...