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

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4
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0answers
108 views

Ubuntu One oAuth token - time of life

I try to develop some Java application that works with Ubuntu One account. Everything is ok, I have access to my U1 space but I'm not sure of one thing. How long may I use my oAuth token? Has it some ...
4
votes
0answers
6k views

I can SSH into a remote host but get “Connection reset by peer” with SSHFS, what do I miss?

I created a key pair to connect to a Synology disk from 12.04. Deployed, edit ~/.ssh/config to automatically use it. Tested: ssh user@remotesynology -> works like a charm. Tested on a second remote ...
3
votes
0answers
223 views

Authentication problem-I can't enable my wireless driver

I have just installed Ubuntu 12.10 after trying it on a usb stick which worked fairly well. But currently I am not able to install anything because every time I want to do something I'm prompted to ...
2
votes
0answers
119 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 ...
2
votes
0answers
238 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 | ...
2
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0answers
87 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 ...
2
votes
0answers
34 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 ...
2
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0answers
442 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 ...
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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0answers
306 views

Unable to access limited access folder from Windows 7 PC

I am a complete novice at Ubuntu and Linux systems in general. I have wanted to play around with the OS for years and finally set up a spare computer and installed Ubuntu 12.04.2. My goal is to make ...
2
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0answers
536 views

How to have cntlm configuration per user?

This tutorial http://zipizap.wordpress.com/tag/cntlm/ suggests configuring cntlm using the file etc/cntlm.conf. It works great, but it means that all users logged to the machine will be using the same ...
2
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0answers
335 views

Atheros ar9285 can't connect to specific AP

My laptop (asus UL80J) has Atheros AR9285. the ubuntu is 12.10 -64 bit the problem is my wirless adopter work good with all AP that I have except one I tried: dmesg |grep wlan And it gave me ...
2
votes
0answers
806 views

I can log in with my password, but it's not accepted as valid for authentication

I can log in with my password just fine, but when trying to use sudo to run commands or authenticating to install software, my password does not work and my account is an administrator account. ...
1
vote
0answers
18 views

Can someone help me escape Skype and use Ekiga?

I really want to escape from Skype because its Linux support is abysmal and its ethics questionable. The most prominent alternative seems to be Ekiga, but I just can't get it working. Could someone ...
1
vote
0answers
25 views

After moving home directory, ssh configuration is not working

I moved my home directory from /home/user to /media/newDrive/home/user. Everything seems to be working at first, except my ssh configuration. I was able to log into this machine from my laptop with ...
1
vote
0answers
107 views

Authentication not working properly after using fingerprint authentication in Ububtu 14.04

I installed fingerprint-gui to use fingerprint scanner in my thinkpad. The commands used were sudo apt-add-repository ppa:fingerprint/fingerprint-gui && sudo apt-get update sudo ...
1
vote
0answers
113 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 ...
1
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0answers
42 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 ...
1
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0answers
354 views

How to change proxy settings with authentication?

I am using Ubuntu 13.04 and having WiFi connection with proxy settings and authentication. By following some tutorials I successfully changed /etc/apt/apt.conf with the values Acquire::http::proxy ...
1
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0answers
24 views

fprint-demo casusing authentication failure

I installed fprint-demo in Ubuntu 14.04 unfortunately I did not setup the finger prints and when I try to log in; its denying my password. I tried to remove the password in recovery mode: rw -o ...
1
vote
0answers
32 views

Why does sudo sometimes asks for a different sudo user?

i have all my boxes setup to authenticate against openldap. when i logon with the local user (localmin) and run a command like; sudo service smbd restart it sometimes asks for the password of ...
1
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0answers
40 views

I have upgraded my system from 12.04 to 14.04 after restart when im tried to login authenication error came

I have upgraded my system from 12.04 to 14.04. After restart, when I tried to login, an authentication error came. After that, I used sudo apt-get install -f and rebooted the system. I didn't get any ...
1
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0answers
58 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
1
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0answers
23 views

What encryption and authentication algorithms does vsfpd use by default?

I have followed this guide and was able to transfer files using SFTP, I want to know the encryption and authentication algorithms used by default in that file transfer.
1
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0answers
75 views

Ubuntu asks for permission to add a printer, but nothing works

I am trying to install my HP LaserJet Pro 400 color m451nw, got it all worked out using the hplip open-source program (hplip-3.14.6) until I get to the very end where I verify and setup the device and ...
1
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0answers
117 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 ...
1
vote
0answers
156 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 ...
1
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0answers
361 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 ...
1
vote
0answers
152 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 ...
0
votes
0answers
10 views

firefox -37.0.2 not taking proxy username and password

I am behind the proxy server, when i open Firefox-37.0.2 a window came and say "authentication required" after entering the proxy username and password, keep asking continuously "authentication ...
0
votes
0answers
22 views

Blocking Specific User to specific website using Squid Web Proxy Webmin

I'm using Squid Web Proxy via Webmin and currently it works. I have set the proxy authentication too. source : ...
0
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0answers
19 views

Ubuntu LDAP authentication

Need to know if i'm on right path. Trying to use LDAP authentication for Web user access of network resource. I have configured LDAP server and client_auth (ldap-auth-client) demon on Ubuntu ...
0
votes
0answers
15 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
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0answers
35 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
22 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
49 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
80 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
0answers
230 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
0answers
38 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
0answers
154 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
0answers
81 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
0answers
54 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 ...
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
0answers
254 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, ...
0
votes
0answers
47 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
38 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
173 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
0answers
57 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
0answers
20 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. ...
0
votes
0answers
54 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 ...