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

learn more… | top users | synonyms (1)

0
votes
0answers
71 views

Trying to reset root password, nothing is working? [duplicate]

I'm borrowing my sister-in-law's Acer One laptop that she used once and if runs Ubuntu or Windows 7. All I want to do is connect to my wifi but it's asking me for a root password but she has no idea ...
0
votes
2answers
186 views

I have forgotten my password to my laptop, and can't access GRUB

I forgot my password to my laptop. I know the passcode in the startup that is displayed on the bottom with white stars. But, not my actual account password. I can only use it in guest mode, and that ...
0
votes
0answers
109 views

Need default admin password for installing Ubuntu 15.4 on HP Dreamscreen

Have installed Ubuntu 15.4 on HP Dreamscreen. However, it asks for login and password which were neer set. Need the default admin password for installing Ubuntu 15.4 on HP Dreamscreen
0
votes
0answers
93 views

Installing Ubuntu 14.04 on compaq presario cq60 stuck at password

I am trying to install Ubuntu 14.04 on an old compaq presario that was running MS Vista. The wipe of MS seems to have gone through; I selected my user name and password, but now I get my full name ...
0
votes
0answers
16 views

What is the defaut password for Ubuntu 14.04? [duplicate]

The default password for the Administrator account is already set by the system.
0
votes
0answers
65 views

“No such file or directory” upon login

After booting up my PC and typing the password to log in something strange happens - Ubuntu is telling me, that there's "no such file or directory" and password box changes to "Log in" button. After I ...
0
votes
0answers
45 views

Hot to edit /boot/grub/grub.cfg to protect changes on grub

How would I specifically edit that file from preventing people from making changes in grub boot menu. I need it to where it needs a password every time some one tries to make a change to the menu.
0
votes
0answers
172 views

Login screen password incorrect

Since the last ubuntu update I cannot login anymore, each time I have a "password incorrect". I open a terminal and updated my password with passwd user, the password works fine in a shell, but still ...
0
votes
0answers
25 views

Trouble Logging In

I recently installed the linux-generic package in the console to help with installing amd catalyst drivers. I used this command: sudo apt-get install linux-generic After letting this run I ...
0
votes
0answers
10 views

I forgot my password! [duplicate]

I have no idea as to what my password was. I think I changed it a while back but I don't remember what it was. I can't seem to get it to reset either can anyone help me?
0
votes
0answers
27 views

How do I lock specific apps from users?

I want to be able to lock down apps from my 'student' user and don't know, like I said in earlier post please give step by step instructions to do this. Thank you.
0
votes
1answer
242 views

Change password on Ubuntu client using LDAP Authentication

I've setup a computer lab running Ubuntu 14 clients and an Ubuntu 14 server. The clients are successfully logging in using credentials provided by Open LDAP. I used this guide to configure the ...
0
votes
0answers
19 views

Admin password doesn't work [duplicate]

Yesterday I got a new notebook with Ubuntu (it's my first time using Ubuntu). The problem is that I can't log in! I turn on my notebook and when the time comes to type the password below the username, ...
0
votes
0answers
42 views

How to password protect grub menu from changes to get into the root shell

Try to password protect through the /etc/grub.d/00_header and put in the cat lines to do so but I can still change what I want from grub.
0
votes
0answers
52 views

What is sudo password? [duplicate]

I recently bought an HP Laptop with Ubuntu installed on it. I don't need a login password. I want to install a software called Open foam. For that I need a sudo password. I dont know it. How to get it?...
0
votes
0answers
17 views

Ubuntu WiFi password storage is per-card?

I've replaced a wlan card of my laptop HP EliteBook 2530p. I've removed Intel WiFi Link 5100 (full size mini PCIE) and put Atheros AR9832 AR5BHB116 (half size) In addition, I've flashed BIOS whose ...
0
votes
1answer
123 views

Ubuntu 15.04 locks and asks for unknown password (pc w/ UEFI firmware) [duplicate]

I got a new computer at work. It is a pc with UEFI firmware and no grub is accessible (as far as I am aware of). It came with Ubuntu 15.04. When I turned the computer on it logged directly to Ubuntu (...
0
votes
0answers
19 views

Cannot reset password on X Term, [duplicate]

I cannot reset my password on X term, it will result in saying 'Authentication token manipulation error', and it will not change my password. I tried using the command 'chromeos-setdevpasswd' in both ...
0
votes
0answers
46 views

Is it possibe to add a password to the Guest Account in Lubuntu? [duplicate]

I'm trying to create a fairly basic Kiosk type installation for a Visitor Centre, but they need to have a password on the machine to make sure they know when somebody wants to use it (so they can ...
0
votes
0answers
30 views

When Ubuntu updates what does it change the password to?

i have two machines with three different disks where the password has changed. I got a system 76 box and put the password on it. All was fine until I updated. Now it's locked I can't log in to do more ...
0
votes
0answers
71 views

GUI login problem

I am using a ubuntu server. when i start that server it directly opens the command line. so to get GUI i have installed ubuntu desktop. It is installed properly... but when i press Ctrl+Alt+F7 it ...
0
votes
1answer
423 views

Ubuntu 14.04, disable password lock when waking from screensaver for ALL users

I am in the middle of setting up a bunch of lab computers running Ubuntu 14.04 at the local University and would like to disable the need to use a password when exiting screen saver (but not necessary ...
0
votes
2answers
170 views

How to password protect a hidden directory

I want to encrypt and password protect hidden directory and its components (.folder/something/some/) using a secondary password (not login password). I have downloaded Cryptkeeper but i didnt find an ...
0
votes
1answer
130 views

How to configure password requirement for shutdown from unity

I configured one of the PCs to act as a server. It will be used by other emloyees as well via the guest account. Obviously I don't want the PC to be shut down by any user. Also I have to shut it down ...
0
votes
1answer
129 views

How to change sudo passwords [duplicate]

When I try to change a sudo password, it say it doesn't work even running the mount -rw -o remount / When you run that command it would say i worked from the root menu but would still be invalid when ...
0
votes
2answers
910 views

ubuntu 14.04 cannot log in, keep going back to password

I have dual win8+ubuntu 14.04. havent used ubuntu for a while. Today I found I am not able to login. I typed the corrected password and it keeps going back to require password after a flash. Tried ...
0
votes
1answer
59 views

I can not change password length complicity by editing common-password

I can not change password length complicity by editing common-password if edit common-password file, i can change all things except password length, the password can be possible to make length up to ...
0
votes
1answer
53 views

Can I make the Windows folder require a password to access it? [Edit/change or add flder and data]

Recently, I was thinking that while running wine an application that contains a virus can inject into the windows folder. I don't know if this is possible, but it would be nice to make the Windows ...
0
votes
1answer
149 views

Can't type anything in to to reset admin password [duplicate]

When I go to reset my password in root mode and type passwd lunar It won't let me type to change my password so I need help here the laptop I'm using is a Lenovo G580 (windows on it got corrupted so ...
0
votes
1answer
207 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 ...
0
votes
0answers
21 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?
0
votes
1answer
61 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 ...
0
votes
1answer
183 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 ...
0
votes
1answer
75 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 ...
0
votes
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 ...
0
votes
1answer
156 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?
0
votes
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 ...
0
votes
1answer
143 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 (...
0
votes
2answers
108 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 ...
0
votes
1answer
247 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 ...
0
votes
2answers
444 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 ...
0
votes
1answer
70 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 ...
0
votes
1answer
894 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.
0
votes
1answer
98 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 ...
0
votes
1answer
55 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 ...
0
votes
1answer
227 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 ...
0
votes
1answer
419 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".
0
votes
1answer
90 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. :|
0
votes
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 ...
0
votes
1answer
245 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 ...