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

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3
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0answers
103 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 ...
3
votes
0answers
208 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
47 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
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 ...
2
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0answers
392 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
824 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
259 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
votes
0answers
468 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
318 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
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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 ...
2
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0answers
762 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
43 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
0answers
173 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
vote
0answers
22 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
27 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
38 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
34 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
22 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
43 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
96 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
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0answers
43 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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0answers
76 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
105 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 ...
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0answers
139 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 ...
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0answers
273 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
128 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 ...
1
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0answers
83 views

How to use a multi factor authentication device with ubuntu server 12.04?

I have a multi factor authentication (MFA) device similar to http://onlinenoram.gemalto.com/ Is it possible to use it with ubuntu server 12.04? If yes, what packages do I need to install to get it ...
1
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0answers
173 views

ppolicy with pam_ldap - pwdReset has no effect when logging in from Ubuntu

We installed ppolicy overlay on our ldap server. Password policies work correctly for locking out user after X incorrect password attempts, but we can't enforce user to change his password. When we ...
1
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0answers
520 views

How to make simple system user authentication work with postfix/dovecot on 12.10?

I have been wrestling on this a LOT. I never properly understood but I presume that authentication by the system users is done with PAM and the default authentication method for both Dovecot and ...
1
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0answers
130 views

Can not authenticate form system tools

Whenever I try to run a program from gnome, I get messages like Authenticated is required to run the Gparted Partition Editor The same goes for all programs that need root permission and I try to ...
0
votes
0answers
10 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
22 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
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0answers
59 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
27 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
22 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
64 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
26 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
13 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
31 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
0answers
50 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 ...
0
votes
0answers
407 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 ...
0
votes
0answers
41 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
0answers
23 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
votes
0answers
101 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
0answers
36 views

ssh is disconnecting when tacacs+ is enabled

I am using ubuntu 12.04 and the openssh-server Version: 1:5.9p1-5ubuntu1.29. I'm using a remote tacacs+ server for authentication and authorization. When I login through ssh, tacacs+ authentication ...
0
votes
0answers
111 views

CUPS isn't allowed to access SSSD for authentication

I'm running Ubuntu 14.04. The CUPS server requires authentication for all print jobs. If I send a job as a domain user I get the following errors. Any help would be appreciated. I can't find anything ...
0
votes
0answers
27 views

Get Access Problem as admin user

I want to access "sudoers" file and also access "su -" but I fail and get following error please check terminal output that I have tried. I am m-usman(admin) but not allow to edit or access ? :( ...
0
votes
0answers
117 views

Ncsa_auth squid on Ubuntu installation authentication

I installed squid on Ubuntu Server 12.04. worked smoothly. After Transparet mode to run iptables-t nat-A POSTROUTING-s 192.168.2.0/24-o eth0-j MASQUERADE I have run. and I got out to the internet. ...
0
votes
0answers
128 views

Evolution email client authentiaction

I installed Ubuntu 14.04 on my PC and then installed gnome-core as a desktop environment. And then installed evolution as my mail client, but after configuring it and start using it, it always ...
0
votes
0answers
131 views

Ubuntu 12.04 - SSH hang at reading configuration

Hi fellow Ubuntu users! I currently have a problem when connecting to remote computers at work. Here is the log : OpenSSH_5.9p1 Debian-5ubuntu1.4, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading ...