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

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0
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1answer
410 views

Unable to login through GUI as a user but I am able to login via terminal

I am unable to login through GUI as a user but I am able to login via terminal. This occurred after I installed 2 steps authenticator of Google using apt-get install command. I followed these steps: ...
0
votes
1answer
291 views

Kerberos and google-authenticator (2-factor auth)

Does anyone know how can I use google-authenticator in combination with kerberos and thus provide to my users 2-factor authentication?
0
votes
0answers
82 views

libnss-extrausers change password

I have Ubuntu 12.04. Installed libnss-extrausers and configured nsswitch.conf. Now, users registered in /var/lib/extrausers/{passwd,group,shadow} are recognized by the system and can login. However, ...
0
votes
1answer
1k views

How to configure system wide proxy with user authentication

I would like to use my LAN's proxy server in Ubuntu Desktop 12.04, but all my attempts have failed. Here is what I did: 1) I went to System Settings Menu > Network, selected Network Proxy, Manual ...
0
votes
1answer
165 views

Unusual activity was logged on my system when I wasn't home

Can someone please help with this log? I wasn't home when this happened. Dec 27 07:48:13 mikky-E720 su[26915]: pam_unix(su:session): session opened for user mikky by (uid=0) Dec 27 07:48:13 ...
0
votes
1answer
11k views

Public Key authentication failed

I am using ubuntu 13.10, and the server runs ubuntu 12.04. I had generate private and public keys using ssh-keygen, and put id_rsa.pub to server side and added it to authorzied_keys accordding to the ...
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votes
2answers
2k views

Software Centre Authentication Error 13.10 [closed]

So I'm very new to Ubuntu, I don't know how to edit files, everything I do to improve Ubuntu is done through the Terminal using guides I find online. Basically since I downloaded Ubuntu 13.10 overtop ...
1
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0answers
74 views

How to Authenticate a Ubuntu 12.04 Desktop on an LDAP-Server(under Ubuntu Server 12.04)

I've a Ubuntu Desktop 12.04 and a Server 12.04. I want to store all Users and Groups on the Server and then login on the Client with them. (Like an AD on Windows) I though about a LDAP-Server. I ...
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0answers
44 views

How to get users accounts info on Ubuntu Desktop using Mono C#?

Is there an Mono C# class or lib their can retrieve info abort all local users accounts on a Ubuntu/ linux system? For Ubuntu systems their is NOT on an domain-controller.
1
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1answer
84 views

Updates Require Authentication

My Update Manager in Ubuntu 12.04 pops up this message while installing updates: 'Requires installation of untrusted packages. The action would require the installation of packages from not ...
0
votes
1answer
382 views

Can I have apt-get take my authorization credentials?

I have a Ubuntu virtual machine that I use at work. I had previously been using this without any issues but there was an update put in that now requires all outbound connections to authenticate with ...
0
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0answers
27 views

How to generate keytab file in a single command line?

As the title. I am able to generate this with command ktutil, but it require sub command. Which I don't know execute sub command. If I could execute it in a script will also solve my problem.
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votes
2answers
485 views

Software Center prompts password of another user

I have a krb5-ldap user in an "administrators" which is added to sudoers list as follows: %administrators ALL=(ALL) ALL Now that works fine for all sudo operations. But when that user wants to ...
0
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0answers
17 views

Authentication Issue [duplicate]

I am trying to delete two partitions that are not used on my hard drive. I am using 13.10 - I go to Disks then select the one I want to delete and a box appears asking for authentication, so I out in ...
0
votes
1answer
479 views

MaaS API Internal Server Error 500 while commissioning Node

I always get request to http://$MaaSServer/MAAS/metadata//2012-03-01/ failed, sleeping HTTP Error 500: INTERNAL SERVER ERROR (screenshot not posted, I lack the reputation . . . ;-) ) now, ...
0
votes
1answer
154 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
100 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
176 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
98 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
207 views

Two-factor authentication on Ubuntu One

Is there a way to enable two-factor authentication to access my Ubuntu One account?
0
votes
1answer
404 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
93 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
129 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
332 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
673 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
0answers
132 views

heimdal error Decrypt integrity check failed for checksum type

when I try to authentication with heimdal-kdc ,I get this error in kdc log : (enctype aes256-cts-hmac-sha1-96) error Decrypt integrity check failed for checksum type hmac-sha1-96-aes256, key type ...
0
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0answers
495 views

ubuntu 13.10 software center authentication error and okular cannot find component

I had installed 'Okular' but after the upgrade it gives error saying component not found. Thus i tried removing and installing again. But the software center gave following error. Software can't be ...
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0answers
15 views

Difficulty in installing dia diagram editor [duplicate]

The dia diagram editor is available in my ubuntu software center but it is requiring for a password.What will be the password?
0
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1answer
63 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
134 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
0answers
38 views

unable upgrade 11.10 [duplicate]

Several attempts to upgrade went nowhere Update manager displays that system is up-to-date and launches a new active window stating : "Your Ubuntu release is not supported anymore." "You will not get ...
0
votes
1answer
64 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
922 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
1k 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
178 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
246 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
822 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
111 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
151 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
79 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
892 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 ...
0
votes
2answers
2k 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
171 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 ...
2
votes
1answer
3k 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
561 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 ...
0
votes
1answer
690 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?
1
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0answers
80 views

How to use a multi factor authentication device with ubuntu server 12.04?

I have a multi factor authentication (MFA) device similar to http://onlinenoram.gemalto.com/ Is it possible to use it with ubuntu server 12.04? If yes, what packages do I need to install to get it ...
0
votes
1answer
118 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. ...