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

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0
votes
1answer
184 views

how can i get past the authentication code stuff if i bought from a used computer vendor [closed]

i bought a computer with Ubuntu from a pawn shop not knowing that it had this OS can someone tell me how i can get past the authenticate code screen because I'm tired of getting the update stuff when ...
1
vote
1answer
123 views

How to re-download unauthenticated packages

I live in egypt. we have a country specific server here. I used to download everything from there. but when I got to download encryptfs, synaptic said the package could not be authenticated, so I ...
0
votes
1answer
218 views

maas-cli login always returns 403 Forbidden

I have a test setup running with a MaaS Server, a JuJu Server and a number of Nodes in the MaaS Cluster. After I reinstalled my MaaS Server (and subsequently the JuJu-Core Server) with Saucy instead ...
1
vote
0answers
119 views

Cannot open session on Ubuntu after Install ubuntu-desktop

I have an Ubuntu-Server intalled VM. I would like to use server with GUI. I have installed ubuntu-desktop. However i cannot open session with GUI. I got "authorization faiulre". How can handle this ...
0
votes
1answer
217 views

Two-factor authentication on Ubuntu One

Is there a way to enable two-factor authentication to access my Ubuntu One account?
1
vote
1answer
536 views

Login with facial recognition in Ubuntu 13.04?

I have tried to install „PAM face authentication“ with the following commands: sudo add-apt-repository ppa:antonio.chiurazzi sudo apt-get update sudo apt-get install pam-face-authentication But it ...
0
votes
1answer
97 views

Identification and Authentication methods in Ubuntu

Since I have a very long password, I would like to additionally use an alternative login method. Which other authentication methods are possible in Ubuntu to log in?
0
votes
1answer
161 views

gksudo nautilus - incorrect password

I have Ubuntu 12.04 running on my office PC. I have a STANDARD user working on it (with limited privileges). I'm looking at the screen through Team Viewer and I am trying to run gksudo -u AdminUser ...
3
votes
1answer
430 views

Is there a secure way to pass authentication parameters for proxy to applications?

I am behind a proxy server and need to specify authentication parameters to access the internet. For this, I have exported my username, password, host and port_no in my /home/$USER/.bashrc file and in ...
-1
votes
1answer
814 views

How to Unlock Applications folder

This question relates to Ubuntu 12.04 LTS. I wish to move a folder from the desktop into the applications folder at /home/usr/share/applications. When I attempt to drag the folder from the desktop ...
0
votes
1answer
79 views

Cascading Authentication PAM login

I'm trying to set up an authentication scheme for Ubuntu using the pam files. However, I cannot figure out how to have two separate methods of authentication. I've set up a Yubikey authentication, ...
1
vote
0answers
146 views

Google authenticator for Galaxy Nexus with Ubuntu Touch

I'm en route to try and install ubuntu touch on my galaxy nexus (GSM-i9250). Since I'm using the google authenticator app in order to access my google account, I'm afraid that I'll be locked out of my ...
0
votes
1answer
68 views

Require password even though I removed it

Good day. One day I decided to remove the logon password from the setting. After that when I tried to change my other settings eg : install another language, Ubuntu states it required Authentication ...
-1
votes
1answer
1k views

Authentication required by wireless network appears multiple times

Sometimes when I don't use my Ubuntu for a long time - maybe a day, I can see the popup showing Authentication required by wireless network There's obviously some wireless connects and ...
1
vote
1answer
2k views

Very slow svn checkouts unless I use --no-auth-cache

Using an up-to-date Ubuntu precise 64-bit, checking out a large code base svn co https://.... takes hours. Using cygwin or tortoise it takes 5 minutes. After poking around, I found this post which ...
4
votes
1answer
199 views

How to disable shutdown/restart/hibernate without authentication

I do not want to allow my desktop to shutdown/restart/hibernate without authentication. How can I achieve this? I am running Ubuntu 12.04 LTS with unity. Most of the questions previously asked ...
1
vote
0answers
321 views

Polipo HTTPS Authentication Problem

I use internet behind http proxy, and that requires authentication. I tried using polipo to bypass the authenticated proxy to 127.0.0.1:9134. Applying these settings to my browser, works fine for ...
0
votes
1answer
998 views

Bypass Authenticated HTTP Proxy :Ubuntu

Is there any way to bypass authenticated http proxy to something like 127.0.0.1:port, so that we could use it any application, simply by filling out the proxy 127.0.0.1:port (which could be used for ...
1
vote
0answers
140 views

pam radius module access-reject

I am trying to set up an Ubuntu server that my users will connect to. I already have a Radius server running on a Windows box, and I would like for connections to this Ubuntu box to authenticate to ...
1
vote
0answers
2k views

Password authentication problem [duplicate]

So I wanted to download some software, and it says I need to put in my password, but I didn't put a password on my account, so I didn't add a password and clicked authenticate, but it says that my ...
1
vote
0answers
179 views

How can I add proxy authentication parameters for Ubuntu tweak? [closed]

I was trying to play around with Ubuntu tweak, when I tried to access Tweaks → Love Wallpaper HD and encountered the following error: Distribution: Ubuntu 12.10 quantal Application: ...
0
votes
2answers
85 views

Installing apps programs etc

Im new to Ubuntu. I'm trying to install apps etc, but it keeps asking for authentication. I don't where or how to create a password. I've had a look in system settings but no joy
0
votes
1answer
955 views

Install software without root access?

Is it possible to give a user the rights to install software, without giving him other sudo-rights? Let's say I were to install Ubuntu on the student's computers at a school. I would like them to be ...
2
votes
2answers
3k views

Catalyst Control Center (Administrative) prompts for password, then won't open?

I have a fresh (non-wubi) Ubuntu 13.04 x64 install, with successfully installed AMD Radeon HD 7870 drivers that were obtained by Software & Updates > Additional Drivers > AMD Graphics accelerators ...
0
votes
1answer
192 views

Proxy settings not working in ubuntu12.04 but working fine with windows 7

Proxy authentication settings are set properly in the /etc/apt/apt.conf and even in the network settings. But the sudo apt-get update command gives an error "something wicked happend in resolving ...
3
votes
1answer
4k views

MongoDB super-admin authenticates fine but still gets unauthorized query errors?

I have started using MongoDB with authentication. As per the documentation I used the localhost exception to create an admin user with the single role of userAdminAnyDatabase. That all went fine. ...
3
votes
4answers
3k views

Not able to login through GUI in Ubuntu 12.04

I'm unable to login through GUI. On typing the correct password, I get a black screen and back to login screen. However, when tried with tty1 I was logged in. Then I tried reinstalling lightdm and ...
1
vote
1answer
756 views

Cannot ssh with publickey into Ubuntu 13.04 cloud instance

I'm running Ubuntu 13.04 in an OpenStack instance. When I created the instance, I specified a keypair, and I may ssh into the box with the command: [laptop]$ ssh -i keypair.pem ubuntu@my-instance ...
1
vote
1answer
963 views

Authenticate in ubuntu

I have a administrator privileges in Ubuntu 12.10 but when I try to install some applications Ubuntu requiere authentication, I write my password, but doesn't work somebody could help me?
0
votes
1answer
153 views

Pam face authentication terminal install went wrong

I was following the steps from this link http://lkubuntu.wordpress.com/2011/06/28/pam-face-authentication/ I was trying to set it so I could use my webcam and face recognition to unlock my computer. ...
0
votes
1answer
658 views

What is the authentication password?

I'm very new to ubuntu, and i just installed it on my new chromebook acer c7. I never made an authentication password, and when I try to download something, it asks me for it. Please help!
2
votes
0answers
285 views

Unable to access limited access folder from Windows 7 PC

I am a complete novice at Ubuntu and Linux systems in general. I have wanted to play around with the OS for years and finally set up a spare computer and installed Ubuntu 12.04.2. My goal is to make ...
2
votes
2answers
15k views

OpenVPN - Password Authentication Only

When using the OpenVPN Client for Windows, I can log into the OpenVPN server with only a username and password. I can't figure out how to make the same thing happen in Ubuntu. It seems that some kind ...
2
votes
0answers
509 views

How to have cntlm configuration per user?

This tutorial http://zipizap.wordpress.com/tag/cntlm/ suggests configuring cntlm using the file etc/cntlm.conf. It works great, but it means that all users logged to the machine will be using the same ...
0
votes
2answers
8k views

su: Authentication failure

I have downloaded the Eset Nod32 Antivirus from its website, and I got a eset_nod32av_64bit_en.linux file. I have right-clicked on it, Properties - Permissions, and checked the Allow executing file as ...
0
votes
1answer
40 views

Cannot authenticate to SBS 2003

I am trying to connect my machine to my work's entirely windows network and I am having a few issues: Whenever I try to access the server, the authentication dialog just keeps popping back up. I ...
0
votes
1answer
174 views

Delay on ssh authentication

I've just installed 12.04.2 server amd64 in VMWare Player and noticed that there is a 3-5 seconds delay after I put the password and before the shell appears. The same happens when I try to connect ...
1
vote
1answer
683 views

authentication method for likewise to join a domain

I installed likewise and joined my an active directory domain. I'm finding it's a bit unclear on how the default authentication works. Do I have to do any extra configuration to enable kerberos? If I ...
1
vote
1answer
3k views

connect to another proxy through squid

i have an HTTPS proxy outside which uses username/password for authentication and i want to configure squid on ubuntu 12.10 to direct all connections which are not in it's cache to that proxy. how can ...
2
votes
0answers
349 views

Annoying Wireless Authentication Prompt [duplicate]

When my internet connection fails and tries to reconnect (Which happens quite frequently on my crappy Uni Wireless) the following prompt pops up every 20-30 seconds: I consider this to be a major ...
0
votes
0answers
69 views

Cannot install google chrome - package cannot be authenticated [duplicate]

I have a puppet setup which adds the google package signing key, the google repo and then tries to install google-chrome-stable. It has been working fine on many servers for the past 6 months until ...
0
votes
0answers
19 views

help with authentication password [duplicate]

When I try to install or remove software it asks for an authentication password but I don't have a password and never set one so how do I reset the password
12
votes
8answers
48k views

Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
4
votes
4answers
428 views

How can I prevent a user from changing their password? [duplicate]

I want to prevent a user from changing their own password. Additionally, if possible, I want to prevent them from changing it via sudo.
2
votes
1answer
292 views

I can authenticate but can not login in using my password?

Here is my story : there were days when I had my password and everything was fine. I removed my password : Opened User accounts Unlocked it by pressing "Unlock" button Selected my username (btw, I ...
5
votes
1answer
3k views

Wifi only accepts passwords of 5 or 13 characters

Installed Ubuntu 13.04 and when attempting to connecting to a home wifi network, the connect button is only click-able with passwords of 5 or 13 characters. Is there a fix?
5
votes
1answer
1k views

13.04 Packages cannot be Authenticated

I am unable to install updates because the following Packages cannot be authenticated: libudev1 libxml2 libasound2 google-chrome-stable libgudev-1.0-0 libtiff5 linux-image-3.8.0-19-generic ...
4
votes
2answers
13k views

How to use Google Authenticator with OpenVPN server on Ubuntu 12.04

I have a working OpenVPN system on Ubuntu 12.04 and I'd like to add Google Authenticator for extra security. This is my current openvpn config: dev tun proto udp port 1096 ca ubuserv04-ca.crt cert ...
0
votes
1answer
2k views

Nginx Basic Auth and subfolders

I have a problem with subfolders in a basic auth procted folder. In the protected folder i have a folder named phpmyadmin, which contains phpmyadmin. Im not able to run phpmyadmin, when basic is ...
5
votes
2answers
3k views

OpenSSH Two Factor Authentication

I'm using Ubuntu Server 13.04 and want to use OpenSSH for sftp. I have everything set up and the only thing not working is the Two Factor Authentication. Currently it asks for a password or the public ...