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

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How to code for non-repeating authentication strings

In THC Hydra, when you put the URL, form parameters, and condition (authentication) string: <URL>:<form parameters>:<condition strings> If you want Hydra to stop when it's ...
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31 views

authentication required by wifi network ubuntu 14.04

Whenever I connect to my wifi network, this annoying 'authentication required by wifi nework' window pops up, with my wifi password in it. All I have to do is to press the Connect button. Still I ...
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1answer
29 views

Authenticating error with ubuntu 14.04 LTS

< Problem: Just as I upgraded my ubuntu 13.10 to 14.04 LTS. I couldn't pass keyring and bash authentication. I can login in recovery mood for both root and my account, but that's not the case in ...
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0answers
28 views

LDAP authentication: not able to login through GUI but able to login from console

I am building a LTSP environment with LDAP authentication. I have configured the LTSP,LDAP server and client perfectly. I checked with getent passwd command in LTSP/LDAP client. I can see my LDAP ...
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0answers
19 views

Ubuntu 12.04 Authentication is broken

I'm running Ubuntu 12.04 LTS on VM. It was fine till last friday. There were some updates available, some were related to security stuff, I don't remember exactly. After that my system is broken. I ...
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1answer
18 views

Can I secure a webpage with something other than username/password

I want to secure a webpage, but I want something better than username and password. Is there any public key style authentication for a webpage? I'm not concerned with the usability / convenience of a ...
1
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1answer
57 views

I get Authentication is needed to run `/usr/bin/dropbox' as the super user

in a system popup window on startup. Anyway to avoid this? fwiw I authenticate ok with my pw. I think this may have started after my recent upgrade from Ubuntu 12 -> 13
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0answers
24 views

PAM authentication using ssh key instead of password

When I try to use chsh to change my default shell, I get prompted for my user password. The problem is I log in using my SSH key and do not have a user password - by design. Yes, I can set a ...
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27 views

WiFi authentication problem - a common issue?

I have a small form factor PC that I rescued from being thrown out by work, and I had the idea to try Linux on it (I am experienced with hardware etc. but completely new to Linux). It's an Ideq 210v ...
4
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1answer
53 views

Stop Ubuntu asking for password to mount second drive

Whenever I turn on my machine and browse to the second hard disk in nautilus it asks me to authenticate to mount the drive. I can find guides on how to turn on this behavior, but not to de-activate ...
0
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1answer
12 views

ssh key login to vps woes

I recently created a vps for web hosting purposes. Everything was going fine until I decided that it's time to add another account and disable root authentication. I added a new user to the sudoers ...
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0answers
25 views

Hotot won't authenticate in Ubuntu 12.04

Any idea why Hotot won't authenticate? I get this message: Can not authenticate you. Please try later. Update - it seems that no Twitter apps will work for me. Turpial can't log in either. Can ...
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14 views

PAM authentication failure

I got a dedicated server from a reputable hosting company. Unfortunately, they're one of those companies that thinks enabling root access is a good idea. I've successfully disabled root access and ...
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0answers
7 views

user not known while configuring glance-registry

I am trying to install glance-registry but keep getting the following error $ sudo apt-get install glance-registry ... Do you want to continue [Y/n]? Y Setting up glance-registry ...
1
vote
1answer
23 views

Authentication failure for FTP server

I followed this link to install ftp server. And also added ftp user(ftpuser) and also added ftp password(1234567). But when I am using this password in any wordpress site or any ftp software such as ...
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0answers
6 views

authentication password on dell [duplicate]

I changed my user settings on my computer and I am no longer able to use my password. I am running ubuntu on an old dell i received that was being tossed out. How can I reset my password?
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0answers
15 views

Ubuntu One authentication failing with 404

I´ve been using Ubuntu One web authentication as described here Is there a way to get an access token via Ubuntuone oauth? But https://one.ubuntu.com/oauth/request has stopped working, it returns ...
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0answers
9 views

How to configure fFreeRadius server in ubuntu server?

I have an requirement to design internal radius server at my controller application. Can you please let me know how to configure FreeRadius Server in ubuntu? Thanks , Suresh.
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28 views

Installed Ubuntu 13.10 in Hyper-V and Speech DIspacher error now Ubuntu One Not Logging In

I wanted to set up a new web server and decided to try Ubuntu. I set up a new Hyper-V VM and installed but then on reboot I received the following error: speech-dispatcher disabled; edit ...
1
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1answer
37 views

Private/Public key authentication not working after reinstalling ubuntu

I backed up my ~/.ssh folder and reinstalled ubuntu 13.10 on my machine. Then I just copied the .ssh folder back into my home folder and tried to connect to my server. I'm getting the following error: ...
2
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2answers
56 views

Disable console access?

How do I disable console access to Ubuntu 12.04? I want to only allow login over SSH. I have searched the web thoroughly but no clear answer was found. EDIT: I'm talking about disabling physical ...
2
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1answer
73 views

Error authenticating some packages while upgrade

When I try to upgrade my ubuntu 13.04 to 13.10, it gives the following error: It was not possible to authenticate some packages. This may be a transient network problem. You may want to try again ...
0
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1answer
30 views

filter PAM_yubico.so debug stdout

I want to use the yubico-pam module (https://github.com/Yubico/yubico-pam) to enable challenge-response authentification using my yubikey when sudoing. I've managed to do that by adding the line ...
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3answers
29 views

User Auth Failure

I was trying to change my usernme on Ubuntu 12.04 lts by opening Terminal and enter this command $ sudo nautilus Then, I went to File System > home > alex (my username) I right click on ...
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0answers
40 views

Bogus FF user/pass authentication prompt on nxdomains

When I want to log into my router's web interface, I enter the following into my browser's address bar and hit return: http://192.168.1.1/Status_Router.asp (Actually, I have that bookmarked.) My ...
2
votes
1answer
47 views

smb authentication not working

I've recently created a windows file share (SMB). On linux however, it just says "Unable to mount location Failed to mount windows share" instead of asking for a username & password. On the shares ...
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0answers
19 views

Authentication Failed while creating folder in File System

Am very new to Linux environment and am eager to learn, so I thought of installing Ubuntu. While creating a folder in File System I am getting "authentication failed". I am using Ubuntu in ...
0
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1answer
71 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: ...
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1answer
82 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?
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0answers
51 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
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1answer
330 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
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1answer
118 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 ...
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1answer
3k 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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2answers
737 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 ...
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0answers
54 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
38 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.
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1answer
56 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 ...
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1answer
127 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 ...
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0answers
19 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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2answers
210 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 ...
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0answers
16 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
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1answer
203 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
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1answer
81 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
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1answer
51 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
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1answer
90 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
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0answers
78 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
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1answer
134 views

Two-factor authentication on Ubuntu One

Is there a way to enable two-factor authentication to access my Ubuntu One account?
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0answers
237 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 ...
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1answer
83 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?
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1answer
89 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 ...