Questions about authenticating wireless connections, SSH keys, or passwords in Ubuntu.

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2
votes
2answers
1k views

'The Authentication failed' error in Ubuntu One using 12.04

I had a computer with 12.04 that Ubuntu One was working seamlessly. But I had to reinstall it in another computer (a brand new computer I've received at work). Since then Ubuntu One is not ...
0
votes
1answer
258 views

Can't install Ubuntu 12.10 from USB

I can't install Ubuntu 12.10 from USB drive. I tried LiLi, UNetBootin, Universal usb installer and others for create USB. It boots and I can select "Try Ubuntu without installing" and "Install Ubuntu ...
4
votes
0answers
116 views

Ubuntu One oAuth token - time of life

I try to develop some Java application that works with Ubuntu One account. Everything is ok, I have access to my U1 space but I'm not sure of one thing. How long may I use my oAuth token? Has it some ...
2
votes
2answers
9k views

Graphical authentication works; why does sudo say my password is wrong?

I'm trying to install a theme, and when I enter the command sudo cp -r $HOME/Desktop/Overglossed /usr/share/themes the terminal asked for my sudo password which I entered, however I'm told my password ...
1
vote
2answers
196 views

I get this message when I try to install software in the Software Center Ubuntu 12.10. No fixes I saw here helped

Software can't be installed or removed because the authentication service is not available. (org.freedesktop.PolicyKit.Error.Failed: ('system-bus-name', {'name': ':1.168'}): ...
0
votes
1answer
484 views

Can not authenticate in Gnome to install packages

I can not install anything through 'Ubuntu Software Center'. The system refuse to accept the su password that it accepts in terminal. It might be relevant that I've had change the user's password a ...
1
vote
0answers
468 views

Incomplete system-wide proxy settings on Ubuntu 12.10 [duplicate]

Possible Duplicate: Where are the system-wide proxy server settings? The new: System Settings>Network>Network proxy does not allow me to configure the user and password for my proxy, and ...
3
votes
0answers
237 views

Authentication problem-I can't enable my wireless driver

I have just installed Ubuntu 12.10 after trying it on a usb stick which worked fairly well. But currently I am not able to install anything because every time I want to do something I'm prompted to ...
0
votes
1answer
4k views

Finger print driver for Dell Vostro 3460

Where do i get the driver for finger print recognition for Dell Vostro 3460 and how can I use my fingerprint reader for login? Fingerprint Reader: Validity Sensors, Inc. VFS5011 Fingerprint Reader ...
0
votes
1answer
1k views

No password set - how do I authenticate? [duplicate]

Possible Duplicate: How do I reset a lost administrative password? I am running Ubuntu 12.10 and have removed the password on my account. When I need to Authenticate, the system doesn't ...
6
votes
4answers
11k views

Retrieve Windows 8 Product Key from mainboard

My new laptop came preinstalled with Windows 8. Naively, as I am, I just formatted the harddrive and installed fine old Ubuntu. Now I want to install Windows 8 for dual boot again, but I have no DVD ...
2
votes
2answers
2k views

Update manager will not update due to authentication error

I press 'Install Updates' and then it will say Requires installation of untrusted packages The action would require the installation of packages from not authenticated sources. then it will ...
4
votes
1answer
163 views

How can I get the authentification dialog programatically?

Instead of using gksudo in a bash script, I want to invoke the authenticate dialog ( as in screenshot) instead. Is it possible? If yes, how? Thanks.
1
vote
1answer
2k views

How to authenticate Squid against a custom backend?

I want to setup a proxy service using squid and want it to authenticate against a database or another service. There is an example config at ...
3
votes
1answer
2k views

What causes “pam_unix … conversation failed” in auth.log

There are thousands of entries in my auth.log like this: sudo: pam_unix(sudo:auth): conversation failed What causes these to occur? I'd like to fix whatever it is but I'm a bit mystified as to ...
3
votes
2answers
4k views

Immediately after login, my 12.04 LTS desktop asks for my password for “Authentication is required to change user data”

I have two Ubuntu 12.04 systems, one a desktop, and the other running as a NIS/NFS server (a desktop with lightdm disabled). When I login, I get the dialog (not error) "Authentication is required to ...
1
vote
1answer
283 views

Can not authenticate form system tools

Whenever I try to run a program from gnome, I get messages like Authenticated is required to run the Gparted Partition Editor The same goes for all programs that need root permission and I try to ...
1
vote
1answer
320 views

I cant login in Ubuntu Server after passwd command [duplicate]

Possible Duplicate: Authentication token manipulation error I installed Ubuntu Server using Oracle VM on my Windows 7 for practicing GNU commands. I used the passwd tool but after using ...
1
vote
2answers
274 views

“Ubuntu One” authentication Failure in Windows 7

I just updated the Ubuntu One client on my Windows 7 machine today. When I try to sign in, I receive the "authentication failed" error message, even though the same credentials work on the Ubuntu One ...
3
votes
4answers
2k views

Can't connect to a remote server with Nautilus and a private key

The remote server requires a private key and passphrase for authentication. I'm trying to connect to the server as root (on that server) from Nautilus running on behalf of my non-root account on my ...
0
votes
1answer
428 views

Use a proxy which connects to the school proxy

How to get my computer use a proxy ON my computer, which connects to the school proxy ? The reason I ask this, is because I need all programs on my computer, absolutely the whole system to go through ...
-2
votes
2answers
3k views

authentication is required to change user data

I set administrator password to blank. Now, I can't install new programs (message see in title), or change the admin password ("change" button grayed out). I tried a suggested fix from inside the ...
2
votes
1answer
4k views

vsftpd any password work for local users

My setup of vsftpd allows for local users to login using their usual passwords and another set of users to login through a passwd file. The problem I have now is that when using a local user's login, ...
1
vote
1answer
51 views

Ubuntu One Installer Win 7 Cannot find My Ubuntu One Account

When I run Ubuntu One installer on Win 7 Home Premium it gets as far as the screen that asks to log in with and existing Ubuntu One account or to create a new Ubuntu One account. When I enter my email ...
23
votes
6answers
45k views

“Software can't be installed or removed because the authentication service is not available. ”

I have 12.10 ubuntu and when I try to remove / install programs I get notification : Software can't be installed or removed because the authentication service is not available. ...
0
votes
1answer
5k views

Password Authentication Problems [duplicate]

Possible Duplicate: How do I reset a lost administrative password? I am new to Ubuntu, am extremely delighted with the performance and speed, as compared to Windows 7-However, I messed up, ...
1
vote
1answer
212 views

Authentication problem — locked out from changes [duplicate]

Possible Duplicate: How do I reset a lost administrative password? Why can’t non-admin users install software? Authentication for everything I am really frustrated about the ...
1
vote
0answers
103 views

How to set Global Proxy where the username contains an “@” character? [duplicate]

I'm connecting Internet via proxy (with authentication) There is no problem with Firefox but I can't connect to the Internet on Software Center. I've checked this topic but my username contains '@' ...
0
votes
1answer
547 views

After 12.10, no GUI can authenticate for administration, such as Software Center

I upgraded to 12.10, and now I can't use Software Center or Network Administration. It keeps giving me an authentication errors. When I check /var/log/auth.log, I see: Oct 31 21:10:45 mike ...
19
votes
9answers
16k views

Access Prompt keeps asking for GMail password

A pop up keeping appearing in Ubuntu (running 12.10), asking for the password to my gmail account. The icon has a silver shield, and it is labeled Access Prompt. The actual window has an image of ...
3
votes
1answer
630 views

Proxy to Direct Connection

I access internet through a Proxy Server which requires Proxy Authentication. How do I setup a Direct connection so that applications do not need a Proxy Address ? Something that could redirect all ...
0
votes
1answer
103 views

hp desktjet 1000 j110 network needs authentication

I have a DesktopJet 1000 j110 printer that is detected and shared among the network i have setup..the problem I'm running into is it WANTS authentication to print..I never setup a password, or a ...
6
votes
1answer
333 views

OAuth/Authenticating user for Unity Lenses

Trying to create a lens that would touch a web service that requires oauth authentication. And a search here, netted me this: https://wiki.ubuntu.com/Unity/Lenses I was using this tutorial to ...
7
votes
2answers
1k views

Authentication required to modify a printer- what's the password?

I have 12.04 and have 2 printers installed, both wirelessly over my personal network, no printer sharing. When I try to modify the printers I get a window asking for authentication (username and ...
5
votes
3answers
3k views

Prevent duplicate wireless authentication windows

First I need to specify that this is not a duplicate of this: How do I turn off wireless connection notifications? Neither is this a duplicate of this: How to disable notification from ...
5
votes
1answer
30k views

connect to openvpn using username and password

Is it possible to connect to an openvpn server using a username and password. I read that you need a config file on ubuntu, but I don't have a config file. How can I connect to my openvpn server ...
2
votes
1answer
121 views

How do I turn on a login page for Bugzilla?

I have Bugzilla 4.2.1 running on my Ubuntu 11.10, It working as it should and everything is fine. Now when somebody accesses the URL www.myapplication.com/bugs without logging in, it allows the user ...
1
vote
1answer
1k views

Unable to install wubi on windows 7 home premium 64bit [duplicate]

Possible Duplicate: Wubi “could not retrieve the required disk image” When I try to install wubi in a partition made on my hard disk I get a error message saying "could not ...
4
votes
1answer
4k views

Google authenticator for the desktop

Is there a desktop application for Google authenticator (an equivalent to the phone app, not the PAM lib)?
4
votes
4answers
9k views

Wireless Network Found, can't connect, repeated requests for authentication

After trawling through the internet, on forums, support websites, and through dozens upon dozens of answered questions on this site, I've not found a solution to what seems like a fairly regular ...
4
votes
3answers
8k views

“Successful su for user by root” - suspicious entries in my /var/log/auth.log?

This post on reddit made me go through my logs. That's when I discovered the following entries which appeared on two non-subsequent days. "user" is my user account. Aug 4 22:50:37 UbuntuSystem sudo: ...
5
votes
4answers
13k views

Installed perfectly but password not working for login or authentication

I installed Ubuntu on an old XP machine (replaced XP with Ubuntu) and it seemed like it went well... Until I tried to download and install the suggested updates! The password I set during ...
0
votes
1answer
1k views

My password won't work [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I've tried to change in grub but doesn't work. "mount -o rw; remount" doesn't allow it either
5
votes
3answers
5k views

Is there a way to lock my browser with a password?

It would be OK if it was only with my login password, but I would like to lock both midori and Firefox so that they cannot be used without entering a password. I'm running 12.04.
2
votes
1answer
542 views

How do I create one user without key authentication?

I've completed the following steps: I have configured Ubuntu server with Key authentication and it is working fine. I have disabled password authentication for key authentication to work. The server ...
0
votes
1answer
157 views

Authentication problem during upgrade

I want to upgrade from Ubuntu 10.10 to 11.04. When I start upgrading, a window appeared with the following message: authentication failed there may be a problem with the network or with a server ...
7
votes
4answers
16k views

Why can't I access super-user mode with su? [duplicate]

I just have managed to install Lubuntu 12.04. Now I want to do some things in the terminal like installing and configuring the Apache and a Lamp-system among other things. I come from Open SUSE world ...
0
votes
1answer
2k views

Unable to connect to Samba printer

I have a headless Ubuntu 12.04 server for files and printers. It shares files via Samba just fine. However, the HP PSC-750xi connected to the server via USB is not accessible from my Ubuntu 12.04 ...
4
votes
1answer
2k views

Ubuntu One Authentication failed

Ubuntu one fails to authenticate from my new Ubuntu 12.04 64 bit installation but I can access my account from a browser. I've tried resetting the password several times and I've also tried ...
2
votes
1answer
19k views

Cups is always asking for password when printing on a certain printer

When I send print to a network printer (HP Laserjet 2200d), CUPS asks for username/password. It doesn't happen with other printers and I'm sure its a CUPS issue, because it's asking the password even ...