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

learn more… | top users | synonyms

0
votes
3answers
38 views

Multiple Users Private / Public Keys

I am currently undergoing a project of maintaining a server with certain simple services (mail, web) for a group of thirty users. I would like to use pub/private keys but I guess unsure of their use. ...
0
votes
0answers
7 views

PKCS11 Error when setting up

I have been trying to setup contactless authentication on my Dell E6520. I have 6 new/blank cards. I am able to get Windows to log me in with one of them but Ubuntu seems to be having trouble. I keep ...
0
votes
1answer
50 views

can't authenticate for wifi n access

Beginning about two weeks ago, perhaps owing to a software update, Network Manager has been unable to authenticate successfully on N type WiFi networks, but continues to work with other network types. ...
0
votes
0answers
9 views

Enable Google Authenticator with PEM key-based auth of AWS EC2 Ubuntu Server

I am trying to configure to use Google Authenticator with AWS EC2 PEM file key-based auth. I have tried a number of setups with the closest being a combination of this: ...
0
votes
0answers
15 views

The request you have made requires authentication. (HTTP 401)

I have Openstack dashboard on localhost. When I run command ' keystone service-list' or some another commands to get 'users-list' or smth., I have one Error: "The request you have made requires ...
0
votes
2answers
31 views

All sites fail with 401 unauthorized

I have Ubuntu 14.04 LTS and until yesterday everything was fine. Today I cannot access any site (no matter which browser I use). If I start Firefox, it wants to go to: start.ubuntu.com and I get a ...
1
vote
0answers
46 views

Samba keeps warning 'Session closed for user nobody'. Why?

I've set up an Ubuntu 14.04 server, using Samba to share files to our Windows clients. Everything appears to be working correctly, but while checking my auth logs, I see the line 'session closed for ...
0
votes
0answers
11 views

how to have a samba share that REQUIRES login for both a user and a guest

So my question is, with a samba share folder I'd like it so that anyone trying to access it would require authentication, and a valid user can login. But I also would like guests to also be able to ...
0
votes
0answers
30 views

Authenticate Ubuntu against OS X 10.9 Server: No passwd entry for user 'user'

I'm a computer tech at a school and having some issues. We're an all-Mac district running OS X Server 10.9. I have some Core Duo iMacs that are too old to run OS X, but they're perfectly good ...
0
votes
0answers
28 views

minimal data showing in auth.log

I have locked my server down and to help troubleshoot any holes, I look in the logs, especially auth.log. In the logs, it shows that there are attempts to log in but no data shows. I am not able to ...
0
votes
1answer
60 views

Unable to use RSA keys with SSH: Server refused our key

I am trying to use RSA public/private keys generated by PuTTY to log in to two GNU/Linux computers from Windows computers, and it works for one but not for the Ubuntu computer. The keys were generated ...
0
votes
0answers
83 views

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 ...
0
votes
1answer
27 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 ...
-1
votes
1answer
71 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 ...
0
votes
0answers
18 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 ...
0
votes
1answer
58 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 ...
0
votes
0answers
54 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 ...
0
votes
1answer
23 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 ...
0
votes
0answers
36 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 ...
0
votes
1answer
54 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
votes
0answers
74 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
259 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
31 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 ...
0
votes
0answers
38 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
117 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]: ...
0
votes
0answers
15 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
votes
2answers
28 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
66 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 ...
0
votes
0answers
31 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
153 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
votes
1answer
258 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
votes
0answers
180 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
129 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 | ...
1
vote
1answer
593 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. ...
0
votes
0answers
40 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
votes
0answers
36 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
votes
0answers
130 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 ...
0
votes
2answers
80 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
votes
0answers
43 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
votes
2answers
121 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 ...
0
votes
2answers
95 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: ...
0
votes
0answers
19 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
68 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
182 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 ...
-1
votes
3answers
218 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
99 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
votes
0answers
47 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
166 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
votes
0answers
87 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
30 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 ...