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

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68 views

How to automatically connect to wifi connection after entering keyring?

After starting up ubuntu, I need to enter my keyring password, which I don't mind. What I do mind is that it is not connecting automatically to a wifi connection stored in the keyring after entering ...
0
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0answers
34 views

Generate decryption key for manual recovery

I'm new to Ubuntu. I'm just learning Linux now. I did try to find the answer first before posting, but could not. Got lots of stuff on encryption, but not the answer I needed. I installed Ubuntu ...
1
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0answers
205 views

How to change forgotten password without bios ?

When I logged in today on my laptop and tried to do something in konsole it asked me for my password. So i typed in my password like 100 times and it keeps on saying that It's incorrect. It worked ...
0
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1answer
35 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 ...
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0answers
62 views

Changing terminal login prompt with ncruses

I have a Ubuntu server with no DE that I want to replace the regular login prompt with a ncurses based login. How would I go about doing that? Below is a link to a program that I'm going to use to ...
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2answers
90 views

How can I avoid entering my password for everything? [closed]

Its getting really annoying having to use my password for everything from opening my internet browser, to doing anything in the terminal, to installing any sort of software etc. Is there a way to ...
1
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2answers
263 views

SSH Public Keys not working anymore?

I have an Ubuntu Server and OS X and Windows (Cygwin) clients. A few days ago, I was able to successfully generate RSA keys on the client and copy them to the server with: ssh-copy-id ...
1
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1answer
44 views

Using variables as paraments for commands in a bash script

I currently have a bash script which I can simply double click to remote desktop into my institution: #!/bin/bash xfreerdp -f -u myusername -d campus -p mypassword --ignore-certificate website.com ...
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0answers
113 views

$password with ssh chpasswd

I've a problem with "ssh chpasswd" .. I need to implement the "$password" of register.. Eg.. I've this code.. echo $ssh->exec("sudo sh -c 'echo $user:test | chpasswd'"); When the script is ...
6
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1answer
1k views

Yubikey Two-factor Authentication Full-disk Encryption via LUKS

I recently acquired a Yubikey Neo - a nifty little hardware second factor authentication device. It's primarily intended for use with One Time Passwords, and the emerging U2F protocol - but since ...
0
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0answers
67 views

Root User Logging in Without password

I have a 2 user accounts in Ubuntu 14.10, one is administrator and another one is normal user. At the time of installing the Ubuntu 14.04 I have given the password to administrator user.After that ...
1
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3answers
70 views

Why is sudo by default asking for the password of the user that ran it?

I'm wondering why does sudo actually NEED the password, when the user has already logged in? The fact that the user has managed to run sudo means that the user has passed authentication and is ...
0
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1answer
464 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.
6
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2answers
435 views

Standby password

My problem is that every five minutes my screen is getting dark and then asks me for a password. How can I turn off the password request after computer's standby wakeup? Please show me where I can ...
2
votes
1answer
269 views

Get Wifi Password Into Ubuntu Touch

So tonight I flashed my Nexus 7 with Ubuntu Touch, however I'm having an issue. My wireless is protected with a 63 character WPA2 password. Whenever I try typing it in manually and hit "Connect" ...
0
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0answers
26 views

After suspend unlocking failes: password only accepted after some waiting… an sssd problem?

I'm having trouble with suspend in Ubuntu 14.04. First let me try and describe our situation here: we run Ubuntu 14.04.2 with lightdm and a choice of DE's (KDE, Gnome's, XFCE, Unity). We use ...
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1answer
37 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 ...
4
votes
1answer
100 views

Wireless password not protected

This might be a security issue. In Ubuntu 14.10, 14.04... under -network connections/edit wi-fi/wi-fi security - my wireless password is shown and it can be seen by anyone who can access my ...
0
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0answers
8 views

lost admin password and no fix after set up i recovery [duplicate]

I have turned on auto log in because i did not want to enter my long password every time i log in to my computer. now it does not recognize my old password to install and update items. i did password ...
1
vote
1answer
68 views

How To Encrypt Pidgin account Passwords

we know that pidgin stores password in plaintext in this file: /home/username/.purple/accounts.xml is there any way to encrypt passwords stored in this file ?
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0answers
15 views

Changing the backup/restore password

I forgot the password I was using for automatic backups and restore. I don't need to restore right now. I just want to set a new backup password for the next time the system backs my file up. ...
2
votes
0answers
146 views

Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase." when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey ...
2
votes
0answers
82 views

I always get “Invalid password” on my first attempt to log in after long locks

At work I'm running Ubuntu 14.04 and after it's been locked for too long, my first attempt to login/unlock the computer will be met with Invalid password no matter how careful I am. The second ...
1
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1answer
44 views

repeatedly asked for admin password

With a brand-new Ubuntu 14.04 installation I streamed the third period of a hockey game last night. It was literally the first time I used this new computer. It connected to wifi no problem, and ...
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0answers
211 views

Authentication not working properly after using fingerprint authentication in Ububtu 14.04

I installed fingerprint-gui to use fingerprint scanner in my thinkpad. The commands used were sudo apt-add-repository ppa:fingerprint/fingerprint-gui && sudo apt-get update sudo ...
-1
votes
1answer
137 views

Unable to reboot into recovery mode and reset password

Someone else installed ubuntu on my laptop, as a result i dont have the admin password. i'm unable to do anything without it. so i googled it, found some procedures and tried to follow that. but ...
1
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1answer
85 views

How can I reset ssh passwords in nautilus?

I've logged to my home server using ssh from Nautilus. I selected the option "remember forever" (or something similar) after typing my password. Today I had to change my server's password. Now I can't ...
0
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1answer
42 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
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0answers
33 views

Intermittent problems with desktop environment in Ubuntu 14.10

I am using Ubuntu 14.10. The problem is that sometimes (maybe with 20% probability), when I turn on my PC, I face these bugs: Dummy output/no sound card detected If I lock the screen and try to ...
0
votes
1answer
113 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
54 views

can't type my password in terminal [duplicate]

I am trying to install torrent, so I typed some commands like: sudo apt-get install libssl0.9.8:i386 after this command: [sudo] password for shiddhant: here is the problem comes, the cursor was ...
0
votes
1answer
93 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".
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0answers
37 views

Kubuntu 14.04 - NIS user are not requested for password

Good day, We are using kubuntu 14.04 in a NIS + NFS setup , user login from NIS is use to login to workstation machines. My problem is that whenever a NIS user log's out. Any one can just type back ...
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0answers
14 views

How do I set the root password on an uninstalled dvd version of ubuntu

I haven't installed ubuntu on my pc. I am using a dvd version of ubuntu. I've tried to set the root password using the methods explained when you answered other users questions about resetting root ...
0
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0answers
62 views

Removing the encryption password at boot

This question has been asked a lot, but I still don't know the answer to it. Is there a way to remove the password at boot? I have processes that start up when the computer boots up, and when have to ...
0
votes
1answer
44 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
2answers
223 views

Forgot wifi router password [closed]

I have a 3G WiFi router got from my friend. I accidentally changed it mode as a 3G router. Now my SSID had changed and my password is not working. cannot access web interface to change the settings. I ...
0
votes
0answers
53 views

Ubuntu password reset problem

I forget my password of my Ubuntu system. I have tried this method, which I tried on my other computer and it works fine. When I entered the boot menu in recovery mode, it prompts bash command not ...
4
votes
2answers
231 views

How to make firefox ask for master password only when trying to show passwords

I have set up a master password on firefox and the browser asks for it at unexpected time. Not every time in the start (so it isn't useful to "lock" the browser. Someone may auto-login to a website ...
0
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0answers
68 views

Why do SSH passwords sometimes stop working?

On more than one occasion I've messed up so bad the only answer is to reinstall Ubuntu. One of these mess ups is that I do something such that the password to SSH into the machine no longer works. ...
1
vote
2answers
1k views

Ubuntu 14.04.2 cryptsetup failed on boot

I decided to reformat my hard drive and install a clean copy of the newly released Ubuntu 14.04.2 with full disk encryption (incl. LVM) and I chose a strong password with special characters which ...
0
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0answers
21 views

Ubuntu ver 14 will not install - Wants Password

My Ubuntu download will not install because passwords do not match. I recently bought a drive from a guy locally, formatted it and thought that it could be used to install Ubuntu. Why am I being ...
1
vote
1answer
87 views

gksu firefox & password

I have a launcher with gksu -u someuser firefox Why does this launcher require root password instead of the password of the currently logged-in user. The password window has the following message: ...
0
votes
1answer
43 views

shutdown from gnome menu doesn't ask password

I want to prevent my roommates to shutdown my computer without needing my password from the gnome menu at the top. i would like to keed dbus permissions since i am using that commands with alias. ...
-1
votes
2answers
87 views

Black Screen after password Unity not working [duplicate]

Hello this is my first question on here, but after looking around I cant seem to find a fix for my problem. So here it is, Everytime I start up my PC I get the usual "enter Passcode" Which I do. But ...
0
votes
1answer
55 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
105 views

Single user forgot password can't do updates [duplicate]

I'm using Ubuntu 14.04 and like it very much but I can't update anything because I forgot my password and authentication is required. This is a home computer and I am a single user who doesn't even ...
2
votes
1answer
374 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
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0answers
180 views

Ubuntu 14.04 phpmyadmin : “Login without a password is forbidden” error

I searched lots of Questions and answers here and i applied the solution too. I edited config.inc.php and commented $cfg['Servers'][$i]['AllowNoPassword'] = TRUE; too ,then I restarted apache server ...
0
votes
1answer
122 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 ...