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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1answer
8 views

Creating custom text expansion for password template

Let me explain. As a security measure, my current password system is a complicated combination of letters and symbols, to ensure a different password is used for each website I use a base password as ...
0
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0answers
9 views

help. not letting me type password and task bar gone

My laptop task/menu bar that runs along the bottom of the screen has disappear. I found a useful question and answer that said to press ctrl alt f1 then login in and type unity-reset. So I tried that ...
1
vote
2answers
36 views

Bash script and escaping special characters in password

I have been reading a lot of questions already asked here, however, somehow nothing is working for me. I have a bash script where I have to send password which dump database on remote machine, so its ...
8
votes
3answers
6k views

How do I get Ubuntu to ask me for a password at login again?

I just installed Ubuntu 12.10 and afterwards, I accidentally set the administrator account password to empty/null. This gave me problems when trying to do administrative tasks in the GUI, so after ...
0
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0answers
14 views

need to one more thing mini length =8 [on hold]

need to one more thing mini length =8 this is my pam file here are the per-package modules (the "Primary" block) password required pam_cracklib.so difok=1 minlen=8 dcredit=-1 ...
1
vote
1answer
33 views

Password Strength

I don't understand why on my Ubuntu install there is such a small password character restriction. I think it's about 13 characters. Is there a way to modify Ubuntu so that I can have much longer ...
5
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2answers
26k views

Change password on root user and user account

Just want to ask, if i change the password on the root user, is that going to automatically change the password to on the user account? i found this link to change the root user ...
0
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1answer
18 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 ...
-1
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0answers
18 views

What is problem about it? [on hold]

Fisrt, I installed the macbuntu theme in the 12.04. Though it doesn't work well, I can login in, Only these beautiful effect didn't work. I am busying so I worked with it. One day, when I login in my ...
8
votes
3answers
4k views

After new Ubuntu 15.04 installation, startup asks for password even though no disk encryption was set up

I installed a brand new SSD into my laptop and did a fresh install of Ubuntu 15.04, with NO system encryption used (only Home directory encryption). However, it still asks me for a password when ...
-2
votes
0answers
34 views

What is the password in the administration block? [closed]

My password won't work when I did a new install. When using just live it asked for a password which I did not have, so what is the password for this OS?
17
votes
2answers
5k views

Disable password access through SSH?

I'm setting up a server for backing up my desktop box remotely. I want to prevent remote password access to the server, permitting only users with private keys (AKA my desktop box) to access it. How ...
0
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0answers
25 views

Does Ubuntu store passwords from failed login attempts?

This is probably a stupid question, but if I type in an incorrect password while attempting to log into my account, does that password get stored anywhere? Assuming that I don't have any third-party ...
13
votes
2answers
9k views

How do I prevent PolicyKit from asking for a password?

For years, I've had the following in my sudoers file: scott ALL=NOPASSWD: ALL For those who don't know, this prevents sudo and friends (gksudo, etc.) from asking for a password. However, over the ...
0
votes
2answers
44 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
0answers
22 views

Need to reset password, can't bring up grub2

I purchased a new dell laptop preloaded with ubuntu 14.04 LTS, and I need to reset my password. However, I can't bring up the grub2 menu to enter recovery mode (holding down shift during boot up does ...
0
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0answers
28 views

Password prompts dither after entering password for authentication

I'm having a problem with my new Ubuntu installation. Any password prompt (except in Terminal!) dithers after I enter my password. I have tried changing my password; I was successful but it didn't ...
0
votes
2answers
4k views

How to save VPN passwords with NetworkManger for nmcli?

There are many posts about putting VPN passwords into /etc/NetworkManager/system-connections/<connection>. I can't get any of them working on Ubuntu 12.04. The fields in the questions and ...
0
votes
1answer
20 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
0answers
30 views

NAS won't auto-mount at boot

I want to set up a low-powered system with a netbook (Eee PC) and a NAS for torrent purpose. I’ve made a clean install of Lubuntu 15.04, I installed Samba and updated everything. NAS auto-mount ...
14
votes
1answer
17k views

Where are passwords saved?

This is a weird question to ask, but where are the passwords saved? I mean they must be somewhere for comparing every time. So where are system and network passwords saved?
8
votes
3answers
14k views

No password asked at login screen just start session button with LightDM

When I first installed Ubuntu I choose NOT to ask me for a password at login. That was ok for that moment cause it didn't ask me any password at login. But now I want to be asked for a login password. ...
0
votes
1answer
14 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
21 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
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0answers
17 views

Blank password not working on lock screen

I have removed my user account password following this Works fine. But when the laptop goes to lock screen, then Ubuntu is not accepting blank password. It is also not accepting the old password. ...
0
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0answers
32 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 ...
1
vote
0answers
40 views

Enable shutdown from another computer on LAN without entering sudo password

I'm trying to execute this script from my laptop to shutdown the server without having to enter the sudo password. (Both are running Ubuntu 14.04.2 LTS) ssh -t lachlan@192.168.0.xxx sudo shutdown -h ...
2
votes
1answer
34 views

Entries in history

I usually include the password when I log in to MySQL. How do I exclude mysql -u root -pPassword being picked up and stored by history?
3
votes
1answer
177 views

How to enable autologin but still require password

I am running Ubuntu GNOME 14.04, using gdm display manager and gnome-shell environment and I need to achieve the following behaviour: after boot, a selected user is automatically logged in, but a ...
2
votes
3answers
3k views

How to recover a deleted /etc/passwd file? [duplicate]

I deleted the /etc/passwd file and cannot login now. I don't know the root password and tried lots of passwords, but none of them worked. How can I fix this?
0
votes
0answers
13 views

Blank screen after loggin in from sleep mode

If I close the lid to let it sleep, open it and type in my password, right after that I get a blank screen. How can I fix this. Running xubuntu 15.04.
2
votes
1answer
51 views

How to Enable password after lock/Suspend

I tried searching for an answer. But everyone is asking for autologin or disable passwd. But i want to put a password which on my laptop is not enabled. I tried to do this in settings but it won't ...
19
votes
3answers
13k views

How do I install MySQL without a password prompt?

I'm trying to install MySQL on Ubuntu Natty without the password prompt. However, I keep getting prompted for a password at some stage after the main installation. Also, when I do enter what I ...
2
votes
1answer
26 views

Cannot get an access to one of my user accounts [duplicate]

I have two administrator and one guest user accounts on my computer. I have set password to one of my administrator accounts and forgot. Can I get back access to that account trough the second ...
2
votes
1answer
266 views

GPG Password Agent and SSH Key Agent

Yesterday I wanted to add an app to the startup menu, and I noticed that there are two instances that weren't there before: GPG Password Agent and SSH Key Agent. I didn't install those, and I read it ...
0
votes
0answers
42 views

Can't connect to Wi-Fi network with la Lenovo y50

I'm trying to connect to my Wi-Fi network at home but for some reason it doesn't let me connect. I can connect on Windows but not on Ubuntu. I run Ubuntu 15.04 on my Lenovo y50 laptop. I also made ...
0
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0answers
12 views

Why am I being repeatedly asked for swap partition password when apt-get upgrade?

I installed recent kubuntu on a laptop, and choose to encrypt / and swap. Works fine. But very often, when I do apt-get upgrade, I get questions about password for swap partition. I could understand ...
1
vote
1answer
4k views

SSH: Permission denied, please try again. While tryng to connect to remote 12.04 server

I'm having quite the head ache because of this. The day before yesterday I rented a VPS at atlantic. They provided me with vnc and root's ssh credentials. I could only login through a VNC viewer ...
0
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0answers
12 views

Install driver for Samsung Xpress c46ofw on Ubuntu 12.04 caused by Password problem?

I tried most of the other suggestions for installing the driver. I downloaded from the Samsung website and unzipped, but now the Terminal says that my password is wrong, but gee, that's the one I use ...
2
votes
3answers
9k views

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

I know that some users may say that this is a duplication but seriously I have combed the answers and those on the internet for over half a day and I am so frustrated i am going to explode. Now that ...
0
votes
0answers
15 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?
10
votes
1answer
1k views

Where is the per-user salt kept?

Where does Ubuntu keep the password salt for each user?
2
votes
0answers
28 views

cryptsetup: unknown fstype, bad password, ect. Bug? Ubuntu 14.04.2

I can't log in to my system at first I had gotten the following error: cryptsetup: unknown fstype, bad password or options? Ubuntu spammed this at boot. Now I can't run the Ubuntu OS ...
4
votes
1answer
86 views

How to get sudo to prompt you for a password each time

I find that if I execute something using sudo that then if I execute something else soon after also using sudo, that it does not prompt me for my password, and although this can be inconvenient in ...
0
votes
2answers
2k views

Can't type in password for Steam Install on Ubantu

I just got Steam from the Ubuntu Software Center, and it asked me to reopen steam to finish the installation. When I opened it up, I got a terminal that said the following: Steam needs to install ...
0
votes
0answers
27 views

Gnome Keyring missed a password. Doesn't ask again

I'm still confused about how the Gnome-Keyring works, or why everyone seems to just want to remove it. Anyway: I have Lubuntu 15.04... ==== In trying to connect to a Wifi hotspot, I had a mistake ...
0
votes
1answer
21 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
0answers
13 views

Password does not work from time to time

I face this problem quite often. My password does not work on the login page - I just see a message, that "password is incorrect, blablabla". However, if I switch to ctrl + alt + f1 and submit my ...
0
votes
0answers
920 views

Ubuntu 12.04 LTS to 14.04 LTS failed to load session [duplicate]

I just upgraded from 12.04 LTS to 14.04 LTS. After the reboot I see the same user I had with 12.04 but the previous password does not work. I wonder whether this behaviour is normal and I have to ...
0
votes
0answers
28 views

Can't Connect to Wifi that requires username & password ONLY [duplicate]

I'm a very very basic beginner so let me give as much detail that I can: I run Lubuntu 13.04 I CAN connect to public wifi's and also home private wifi networks that only need a password. I CANNOT ...