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

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4
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0answers
112 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
227 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
8 views

14.04 samba-winbind pam_mkhomedir.so home directory ownership

After joining ubuntu 14.04 to our Active-Directory Domain using samba-winbind pam_mkhomedir creates home, but ~/.config and other directories are owned by root, preventing graphical login. Please ...
2
votes
0answers
210 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
400 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
votes
0answers
122 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
41 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
496 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
319 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
584 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
346 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
841 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
29 views

Can't SSH with Key Authentication

I created an RSA keypair using ssh-keygen on Ubuntu Desktop 14.04.2 LTS ssh-keygen -b 2048 -t rsa -f ~/.ssh/<keyname> -o Than I added the public key to the remote Ubuntu Server 14.04.2 LTS ...
1
vote
0answers
36 views

Why do I have to set usePAM to 'no' to manage a ssh connection?

I have a system user named user1 (the main one). I've tried to set a ssh connection between a user named foreignuser and the main one (user1). For that, I've generated a couple of keys with ...
1
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0answers
74 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
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0answers
59 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
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0answers
199 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
222 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
53 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
67 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 ...
1
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0answers
258 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 ...
1
vote
0answers
391 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
29 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
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0answers
35 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
42 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
69 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
27 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
99 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
vote
0answers
156 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
175 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
448 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
182 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

unable to install ubuntu software due to proxy authentication error in 14.04

Unable to install vlc via command sudo apt_get install vlc it shows error 407 proxy authentication required
0
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0answers
45 views

Something wrong in 14.04 LTS with ssh when no password is authorized by remote server

After loosing days for a solution (including here), I will ask more expert people about a way to connect a new desktop ubuntu 14.04.LTS to some ubuntu 14.04 LTS servers accessible only by using a ...
0
votes
0answers
17 views

How to check if a switch is configured in 'ssh' or in 'telnet' using perl script provided the switch IP is available…?

In a perl script, when a switch IP is available, it is required to know if the switch is configured for 'ssh' or 'telnet' for continuing execution. How can this be done..? Please help it...
0
votes
0answers
33 views

FreeIPA equivalent for Ubuntu Server 14.04

For my small business I have a primary work server (Dell T320) running Ubuntu 14.04. This is my host OS for the KVM Visualization platform - which in turn runs a virtual Firewall, an MS Server 2012R2 ...
0
votes
0answers
33 views

after modifying the olcDatabase={1}hdb getting error “this base cannot be created by PLA”

This is the actual configuration file for the olcDatabase={1}hdb. # AUTO-GENERATED FILE - DO NOT EDIT!! Use ldapmodify. # CRC32 be185314 dn: olcDatabase={1}hdb objectClass: olcDatabaseConfig ...
0
votes
0answers
17 views

ssh not authenticating to kerberos

I am using my single PC as a ssh-client,ssh-server,kdc,admin-server. I am not using any of the virtual machines for this kerberos lab. I am connected to wife get the ip of 192.168.1.224 but i am using ...
0
votes
0answers
11 views

google authentication error

I have added google authenticator plugin on gerrit server, but when i am trying to login using google oauth provider plugin it is showing "redirect_uri_mismatch" error, i have registered my ...
0
votes
0answers
28 views

Cannot run install.sh file in Ubuntu 12.04 terminal

I have inherited a Dell Inspiron with Ubuntu 12.04 installed. There is no working wifi so I have purchased a wifi adaptor and extracted the driver and install .sh file on to my pc. I used properties ...
0
votes
0answers
41 views

Two factor authentication with password and USB Device for PostgreSQL server

I'm going to setup 2 factor authentication for my database server. I'm using PostgreSQL 9.4 DBMS on Ubuntu 14.10. I need to force two authentication methods for my database server. The authentication ...
0
votes
0answers
26 views

“Authentication is required to check power state for…” after login from encrypted user

One of the users on my system (Ubuntu 14.04) has an encrypted home directory... after I log out of the encrypted user and log into another unencrypted user, I am getting a series of window asking me ...
0
votes
0answers
49 views

Password popup on USB unplug/replug “Authentication is required to change your own user data”

After upgrading from 14.04 to 14.10 when I unplug and re-plug a USB mouse (or switch keyboard/monitor/mouse with a KVM switch.) an authentication popup dialog appears asking for my password saying ...
0
votes
0answers
59 views

How to authenticate users via PAM using freeradius?

I have like 20 users in server2, and I need to configure PAM on server1 to authenticate users against /etc/passwd file using freeradius which is configured on server2 with a shared secret ...
0
votes
0answers
20 views

Conditional authentication

I want to use the following authentication in Linux: If during the boot flash drive is connected, the logon to the operating system is performed by the user "user1", in this case should be carried out ...
0
votes
0answers
20 views

Disable authentication password

I forgot my authentication password for downloads. So now want to remove it all together I haven't trying any command yet
0
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0answers
32 views

Dovecot user login failed

I have a problem with my dovecot. I want to make a mail server using postfix, dovecot, thunderbrid and outlook for windows users. But when I install and configure dovecot, I can't login with my mail ...
0
votes
0answers
12 views

Can I disable other users authenticating while on my account?

So I have not realized this feature until recently after adding another admin to my computer and I realized when updating that either of the admins can authorize the update while logged into my ...