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

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Trying to install Squid3 on Trusty with AD Authentication

I'm trying to install Squid3 as a proxy server on 14.04, with AD Authentication such that authenticated users will not have to 'login' to the proxy each time they want to access the internet. I've ...
-1
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0answers
19 views

Sign in issue with chosen password [on hold]

I'm having trouble using my password for authentication. It is not accepted, yet I am the administrator. The system seems to think I'm a Super User. Can anyone help? Thanks, Scott C.
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1answer
17 views

Use Google Open ID to automatically create accounts/login to Ubuntu

What I'd love to be able to do is to have the ability to use Google's Open ID system to have users automatically authenticate with Ubuntu. Yes, it would be Chromium OS-like in its login but there are ...
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0answers
20 views

Using `System.DirectoryServices` on Ubuntu to authenticate with windows active directory

I have developed c# application using monodevelop, which basically does ldap authentication with windows active directory. And works fine in windows environment. but if i use the same code in the ...
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0answers
14 views

Access denied when using domain credentials

I am unable to login to Ubuntu with my domain credentials....I am getting access denied. My machine has authenticated against my domain for 2+ yrs. Then a few weeks ago, when resuming from sleep, my ...
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1answer
26 views

Wifi connection deauthenticated by router

I use ubuntu 14.04 and I have an Acer V3-571G laptop. I have an O2 Box 6431 modem which I have received from O2. My wifi connection works fine except when I restart ubuntu or laptop. Next time it does ...
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1answer
31 views

feeding the password to user login module from a file [closed]

Sorry for not being clear. I want to develop a c/c++ program which reads the password of user and feeds it to the user login module of ubuntu (14.04 or 13.04) so that the user is logged in ...
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0answers
17 views

What is the correct way to modify /etc/pam.d/common-auth?

By default /etc/pam.d/common-auth looks like this $ cat /etc/pam.d/common-auth # # /etc/pam.d/common-auth - authentication settings common to all services # # This file is included from other ...
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1answer
18 views

Why isn't my apache authentication working?

I am trying to set up apache2 authentication for a given website which can be found locally on my webserver. When I try to open up the website it states Internal Server Error 500. Then I put the ...
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0answers
19 views

How to resolve failed PAM radius authentications for local account?

I have a local account which is not set up for radius on my 14.04 server, then I have multiple radius accounts. The local account is used for automatic file transfers from network devices and creates ...
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votes
1answer
37 views

Unable to authorize twitter account on ttytter on ubuntu 14.04 [on hold]

i installed ttytter by doing sudo apt-get install ttytter but whenever i tried to authorize my twitter account on ttytter, (just type ttytter and hit enter on terminal, and then ttytter tells me ...
0
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1answer
35 views

How can I use my Active Directory credentials to log in to my Linux machine?

I would like to use the same username/password to log in to my Linux machine as I do for a Windows machine that authenticates against Active Directory. In particular, what I want is: When I log in ...
2
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0answers
64 views

How do we implement requirements of password policy?

This question might look similar but I could not find a solution to this which covers all the below requirements of the policy, Hence please help me: - Incorrect pass lockout (after 3 incorrect ...
0
votes
1answer
112 views

Home directory permissions preventing ssh key authentication on Ubuntu Server 14.10

I have ubuntu server 14.10 with an SSH server on it, and have password authentication working fine from my System76 darter laptop running Debian Sid. I want to switch to rsa-key authentication. On ...
1
vote
0answers
27 views

how do I create a user data base for postfix/dovecot sasl [closed]

I am trying to install postfix in Dovecot sasl with virtual mailboxes and virtual users. How do I create the user/password database file. I do not want to use Linux system passwords showdow or ...
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0answers
36 views

RE Q & A from Aug.16 '12 at 10:32

@Eliah When I first set up 14.1 I was able to download apps and change settings but now I can't.I also can't get updates. When I'm asked to authenticate and type in my password it says Your ...
2
votes
1answer
111 views

Check which SSH key was used to login

So stupidly enough in our development team every individual SSH Key is used to access the root user directly. When Checking the auth.log I can find this Dec 18 09:45:04 webserver sshd[12377]: ...
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0answers
12 views

No longer asked to authenticate

I used to receive an authentication screen upon startup. Lately, the authentication screen has been popping up later and later in my session, and as of this week, I am no longer being asked to ...
0
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2answers
27 views

Accessing the computer [duplicate]

I have my son's laptop. He passed away this year and I am trying to access his computer. I dob't have the password or the email address he used. It is asking me for an authentication code when i ...
0
votes
3answers
57 views

how to run as administrator ubuntu 14.04 and not as guest?

today I installed ubuntu 14.04 and also a new user to the new operating sysytem. there are several problems I am facing with it they are: 1.I cant log in as administrator but as guest,can you help me ...
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0answers
27 views

Can login via ssh, but not system tty

Here's something weird. I can: ssh xyz@localhost provide my password, and login as xyz. However, I if hit ctrl-alt-F3 to go to the system prompt, and try to login as the same user xyz I get a ...
0
votes
1answer
88 views

ssh connection fails with and without rsa keys

I've got a machine running Ubuntu in the office.I've got a machine running Mint at home. My goal is to be able to work from home connecting to the office with ssh. I swear i tried to look for similar ...
0
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1answer
147 views

Stop asking for authentication to mount USB stick

My Ubuntu 14.04 is asking for my password to mount or unmount an USB stick. How can I change it, so that the mount is automatic and no password input is required ? This is about mounting arbitrary ...
0
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0answers
121 views

Authentication issues when booted into 14.10 - generally terminal works OK

Intel core i7 running 14.10 (upgraded) 64bit with i386 adaptors. No dual boot - only Utopic I have authentication issues across a range of programs and services when using Unity. As far as I can see, ...
2
votes
0answers
91 views

Can't authenticate against LDAP. /etc/nsswitch.conf seems to be ignored

Running ubuntu 14.0.4.1 on a BananaPi (ARM). I've had a lot of luck getting LDAP authentication to work under 14.0.4 on x86, but something about this just isn't working. If you run getent passwd | ...
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1answer
349 views

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

I'm trying to install flash via the software center and I get this error : "Software can't be installed or removed because the authentication service is not available. ...
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0answers
34 views

Is it possible to run software-updater without a password?

I know that I can add commands in /etc/sudoers to obtain passwordless sudo in the command-line, but I don't think this applies to the software-updater (does that use gksudo or some other form of ...
0
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0answers
31 views

Password reset - Authentication failure

Together with some friends we are using an Ubuntu 12.04 LTS dedicated Server for Teamspeak, Minecraft, etc. But we have some trouble with the passwords. Every day the server itself resets some of the ...
0
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0answers
104 views

How to allow access to web page from internal IP but use PAM auth for external access in Apache 2.4?

I have tried to implement the following logic for page access in an Apache 2.4 server in Ubuntu 14.04: if (internal-ip) allow; else if (external-ip) get authentication; A similar setup worked in ...
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2answers
70 views

How to use microsoft isa proxy with authentication on ubuntu 14.04 64-bit

my apt.conf file: Acquire::http::proxy "http://user:password@server:port/"; Acquire::https::proxy "https://user:password@server:port/"; Acquire::ftp::proxy "ftp://user:password@server:port/"; ...
0
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0answers
38 views

How to use pamusb to ONLY autologin

Is it possible to configure pamusb to only handle the login authentication? Right now all my authentication can be done with an usb stick, which means sudo and other stuff can be run by any random ...
0
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2answers
102 views

Change default user for authentication

When I attempt to perform certain actions within ubuntu I am asked to authenticate with a root user, but ubuntu doesn't give me options for which root user, it just specifies it as the user that set ...
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2answers
79 views

rsync + ssh public key asking authentication

After creating the keys and use ssh-copy-id command successfully, I can connect by ssh user@host but when I'm trying to do a transfer via rsync and it asks for password... rsync command is as follows: ...
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0answers
17 views

Can not authenticate on Firewall

The situation is I am running Ubuntu 12.04 and Firefox 11 and Firefox 26. Both because Firefox 26 was installed and I installed 11 because I thought Firefox 26 was creating the problem I am having. ...
2
votes
0answers
62 views

lubuntu completely ignoring ldap setup. Followed guide, no contact with ldap server

We have LDAP authentication working on every other server and lxc container in our enterprise, but when we try and have a brand spankin new Lubuntu 14.04 installation do the same, it's completely ...
1
vote
1answer
124 views

Connecting 14.04 to Windows 8.1

I have a machine with 14.04 and a Windows 8.1. They are connected to a gigabit router. Both are connected to a VPN. The Windows machine is able to see the Linux machine and copy files to it. The ...
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votes
3answers
182 views

How access openssh-server with external IP address from outside the Local Area Network

How can I use my new openssh-server with the external IP address from outside the Local Area Network? The purpose is that an external computer administrator from outside the Local Area Network should ...
0
votes
1answer
83 views

pg_dump won't run through PHP

This question has been addressed in various other posts but they don't seem to help me out. My issue is that I run the following script: $strBK = '/usr/bin/pg_dump --host localhost --port 5432 ...
0
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0answers
44 views

add authentication prompt to thunar file manager

I would like to know if there's a way to be asked for authentication every time I open thunar file manager. sort of like when you open synaptic package manager. I've tried cryptkeeper and other things ...
0
votes
1answer
129 views

How can I install Railo and Apache on Ubuntu and have it pass a basic Authentication username to Railo?

I'm trying to move from using Adobe ColdFusion to using Railo. The Application I'm trying to migrate relies on having the webserver check basic authentication, but then needs to know the authenticated ...
0
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0answers
68 views

Unable to find radius? Error is “service not found”

Hi team I have the required packages installed however system is still saying that it is unable to find the service. root@opennms-otrs:~# apt-get install freeradius freeradius-mysql freeradius-utils ...
2
votes
0answers
28 views

Validate password against regular expression?

Is it possible to somehow set a regular expression that would validate a user's password? So that if the regexp is set to: ^qwerty|йцуке$ than both qwerty and йцуке will be valid passwords. I want ...
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0answers
1k views

How to install ubuntu 14.04.1 behind an authenticating proxy

Hello I try to install ubuntu on vmbox with a NAT connection: What is going wrong is internet connection when installing to disc. I already added in a terminal: $ sudo -i # nano /etc/apt/apt.conf ...
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votes
1answer
55 views

AUTHENTICATION PASSWORD UNKNOWN [duplicate]

I have ubuntu 12.04 LTS and I do not know my authentication password due to which i cannot install any software. Its urgent. Please tell me a solution and not a suggestion. In case , if I have set the ...
0
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0answers
46 views

Installing Google 2 step Authentication causes SSH to not connect

I am following the instructions here https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-two-factor-authentication After making the changes listed to /etc/pam.d/sshd and ...
0
votes
1answer
615 views

DigitalOcean droplet root password not accepted for client, but works for console

I have an Ubuntu 14.04 droplet with PubkeyAuthentication set to yes and PermitRootLogin set to no. Since I created it, my pubkey has worked fine. For some unknown reason today it's not accepting my ...
0
votes
1answer
54 views

Locked myself out of remote server

Before I left, I've set up an old computer with Lubuntu 14.04 32-bit. While trying to set up rtorrent, I did something to lock myself out while following this tutorial. Normally my computer has one ...
0
votes
0answers
28 views

Samba printing: difference in prompt for authentication vs set authentication details

I'm connecting a printer via Samba and am observing the difference in Authentication. When I hit 'Verify' using the 'Prompt user if authentication is required' details, and I enter my username, ...
0
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0answers
160 views

Lubuntu 14.04: fatal GDBus Error upon session login

Two days ago I freshly installed a Lubuntu Desktop 14.04 on an old Centrino M with 2 accounts: uid 1000 (administrator) and uid 1001 (general user) Until an hour ago all was well. Then shortly ...
0
votes
1answer
173 views

Ubuntu 14 with kerberos authentication, nslcd still needed?

I have converted my Ubuntu 14.04.1 systems over to kerberos authentication using corporate AD servers. The instructions said to install sssd, libpam-sss, libnss-sss. These package installations would ...