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

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Need to reset Authenic Password! [duplicate]

I'm having this extremely frustrating problem right now! I bought a HP Mini Notebook 110-1025 from someone and before she sold it to me she did a system recovery and used this Ubuntu program instead ...
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0answers
73 views

After ldap and pam installation I cannot log in my computer

after ldap (Server) and pam (client) installation I cannot log with my user or my root in my computer. Maybe I configured wrong in pam. But I know password for root and ldap admin. After reboot I ...
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1answer
119 views

ssh pair key authentication problem

I have a problem with public and private key authentication. I do this steps and then, public-key based doesn't work. 1- generate a pair of private and public key (RSA) using the following command: ...
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0answers
426 views

Ubuntu Server (14.04 LTS) System-Wide Socks5 Auth Proxy

I have recently switched to the server version of Ubuntu 14.04 LTS and am not aware of a way to apply a system-wide authentication socks5 proxy so that all traffic on that computer goes through the ...
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2answers
177 views

Username/Password Authentication Failed. dpkg: error: requested operation requires superuser privilege

gichan02@gichan02-Latitude-D520:~$ wget https://private-ppa.launchpad.net/commercial-ppa-uploaders/xojo/ubuntu/pool/main‌​/x/xojo/xojo-bin_2013.41-0ubuntu1_i386.deb; dpkg -i xojo-bin*.deb --2014-05-28 ...
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0answers
26 views

How to disable multiple authentication?

Ubuntu's policy of reauthenticating the user every few minutes for sudo commands is a significant productivity drain, especially if you have a long password. I realize that autologin can get rid of ...
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1answer
4k views

Ubuntu 12.04 GPG error: http://archive.ubuntu.com precise Release: The following signatures were invalid: NODATA 1 NODATA 2 [duplicate]

I know this is asked often but nothing seems to work for me. Every time I try to update I get the following: sudo apt-get update Get:1 http://archive.ubuntu.com precise Release.gpg Get:2 ...
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0answers
1k views

How to install git server with apache authentication on Ubuntu 14

I trying to install git server on Ubuntu 14 following these steps: www.jmuras.com I made a little change when creating git.conf and symbolic link cause goes on different folders for Ubuntu 14, i did ...
2
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1answer
283 views

How to authenticate a startup disk image?

The process of creating a startup disk on Ubuntu looks really vulny to me. It's scary in a number of ways. Please either (1) refute my assertions with contrary evidence or (2) tell me how to avoid ...
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0answers
76 views

What happened whith software-center - authentification failed? [duplicate]

2014-05-04 16:00:34,847 - softwarecenter.backend.zeitgeist_logger - WARNING - Support for Zeitgeist disabled 2014-05-04 16:00:35,910 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' ...
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0answers
86 views

while configuration of samba for ubuntu 12.04 client acess is denied

First i was login as root sudo su - apt-get install winbind samba Add the following lines to the /etc/samba/smb.conf in the [global] section. security = domain netbios name = UBUNTU_01 password ...
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2answers
487 views

Administrator password

I have recently installed Ubuntu 14.04 on my laptop and when I enter the admin password (it is only me using the system) I get the message that the password is wrong....I know that this is not the ...
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0answers
521 views

Why won't Ubuntu let me log in?

I installed Ubuntu 14.04 but after installation I cannot log in with my password. I tried the tried-and-tested route of resetting a password (rebooting into root console, remounting / with rw, ...
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0answers
81 views

how to join ldap client 12.04 to server 8.04

apt-get install libpam-ldap libnss-ldap nss-updatedb libnss-db nfscommon nscd ldap-utils You will again be asked a bunch of questions LDAP server Uniform Resource Identifier: ldap://ldap.example.com ...
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0answers
87 views

Clean installed ubuntu 14.04. Ran into some authentication problems

This was a clean install. I wiped everything even my windows partition. HP 2000 notebook, E2 vision HD AMD/ATI processor using the proprietary driver and fully up to date. 1) Using software updater, ...
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0answers
168 views

Login names in ubuntu 14.04

I am using pbis open (used to be likewise) to authenticate against an active directory. This worked fine in 12.04 with my username (ian.collins). I installed a fresh 14.04 and the latest pbis open. I ...
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1answer
192 views

SSH “Permission Denied (Public Key)” Automatically re-occuring problem

I have a headless server with (until recently) working SSH and public key auth. I deactivated passwords and had a problem resembling the one in this thread, ie. upon SSH-ing into my server I get: ...
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1answer
3k 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
701 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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1answer
323 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
50 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
27 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 ...
5
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1answer
940 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
105 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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146 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 ...
5
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1answer
829 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
77 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
195 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
27 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
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1answer
156 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
23 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
69 views

How to configure FreeRADIUS Server in Ubuntu Server?

I have a requirement to design an internal RADIUS server at my controller application. Can you please let me know how to configure FreeRADIUS Server in Ubuntu?
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0answers
38 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
69 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
128 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 ...
5
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1answer
858 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
103 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
35 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 ...
2
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1answer
148 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 ...
0
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1answer
844 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
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1answer
478 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
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1answer
3k 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 ...
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1answer
226 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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2answers
17k 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
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 ...
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0answers
82 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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1answer
93 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
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1answer
576 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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2answers
654 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 ...