Questions about authenticating wireless connections, SSH keys, or passwords in Ubuntu.
0
votes
1answer
11 views
connect to another proxy through squid
i have an HTTPS proxy outside which uses username/password for authentication and i want to configure squid on ubuntu 12.10 to direct all connections which are not in it's cache to that proxy. how can ...
1
vote
0answers
27 views
Annoying Wireless Authentication Prompt [duplicate]
When my internet connection fails and tries to reconnect (Which happens quite frequently on my crappy Uni Wireless) the following prompt pops up every 20-30 seconds:
I consider this to be a major ...
0
votes
0answers
68 views
Cannot install google chrome - package cannot be authenticated [duplicate]
I have a puppet setup which adds the google package signing key, the google repo and then tries to install google-chrome-stable. It has been working fine on many servers for the past 6 months until ...
0
votes
0answers
15 views
help with authentication password [duplicate]
When I try to install or remove software it asks for an authentication password but I don't have a password and never set one so how do I reset the password
0
votes
0answers
10 views
Password policies on LTSP client
We are using LTSP fat clients that use LDAP authentication (LTSP client authenticates with LTSP server, which in turn checks authentication with LDAP server)
The problem is that we can't enforce ...
2
votes
2answers
34 views
Trying to do ssh authentication with key files: server refused our key
I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server.
I downloaded puttygen.exe ...
4
votes
4answers
130 views
How can I prevent a user from changing their password? [duplicate]
I want to prevent a user from changing their own password. Additionally, if possible, I want to prevent them from changing it via sudo.
1
vote
1answer
40 views
I can authenticate but can not login in using my password?
Here is my story :
there were days when I had my password and everything was fine.
I removed my password :
Opened User accounts
Unlocked it by pressing "Unlock" button
Selected my username (btw, I ...
2
votes
1answer
52 views
Wifi only accepts passwords of 5 or 13 characters
Installed Ubuntu 13.04 and when attempting to connecting to a home wifi network, the connect button is only click-able with passwords of 5 or 13 characters.
Is there a fix?
0
votes
0answers
13 views
OS and application update behind proxy server
Bear me for posting this question again on this forum. I know that there are many post earlier. I have gone through all of them and tried all nothing worked for me.
PROBLEM:
I am behind a proxy ...
1
vote
0answers
16 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 ...
0
votes
0answers
17 views
13.04 sees network and has correct password but states “Auth Req'd”?
Ubuntu sees my network. Wireless doogle and password verified. Have not been able to log on.
3
votes
1answer
58 views
13.04 Packages cannot be Authenticated
I am unable to install updates because the following Packages cannot be authenticated:
libudev1 libxml2 libasound2 google-chrome-stable libgudev-1.0-0 libtiff5
linux-image-3.8.0-19-generic ...
2
votes
1answer
217 views
How to use Google Authenticator with OpenVPN server on Ubuntu 12.04
I have a working OpenVPN system on Ubuntu 12.04 and I'd like to add Google Authenticator for extra security.
This is my current openvpn config:
dev tun
proto udp
port 1096
ca ubuserv04-ca.crt
cert ...
0
votes
1answer
56 views
Nginx Basic Auth and subfolders
I have a problem with subfolders in a basic auth procted folder. In the protected folder i have a folder named phpmyadmin, which contains phpmyadmin. Im not able to run phpmyadmin, when basic is ...
2
votes
2answers
120 views
OpenSSH Two Factor Authentication
I'm using Ubuntu Server 13.04 and want to use OpenSSH for sftp.
I have everything set up and the only thing not working is the Two Factor Authentication.
Currently it asks for a password or the public ...
0
votes
1answer
84 views
Authentication in wireless network
I am authenticating a network using WPA2, but not working (authenticates then off)
OS: Ubuntu 13.04 Wireless network card : Intel Corporation Ultimate N WiFi Link 5300
$dmesg:
[ 1248.966666] wlan0: ...
-1
votes
0answers
22 views
Nis Client Authentications
when i try to install nis
sudo apt-get install portmap nis
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
...
0
votes
1answer
59 views
NIS client authentication
How to configure the nis client on ubuntu? and how to configure system authentication? there is no option for system authentication like system setting system info in my system etc.
when ever i go ...
0
votes
0answers
63 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 ...
10
votes
3answers
2k views
Security warning from Facebook in Chromium
I am terrified.
Every ten minutes Chromium pops up with a tab stating:
Success
SECURITY WARNING: Please treat the URL above as you would your password and do not share it with anyone.
Very ...
0
votes
1answer
67 views
Can I auto-authenticate an M86 web filter?
I'm currently doing an independent study that involves setting up a mock Ubuntu Network - the problem is, the school is required by law to use a web filter, and this makes it difficult to ...
1
vote
1answer
71 views
Difficult Problem - I'll Try To Explain [duplicate]
OK, so my husband and I have had Ubuntu 13.04 I believe for about a week now, or whenever they released it. Yesterday, turn on the computer and his "user" and everything with it, was gone. Mine, still ...
0
votes
0answers
64 views
Why does my browser asks for authentication at every page while connected to a public Wifi?
I have this problem: I try to connect my laptop with Ubuntu 13.04 to a public Wifi. I provided my personal user and password (I entered my user id and password in the first page after connection) but ...
1
vote
2answers
532 views
sudo su fails with 'Unable to change to sudoers gid :operation not permitted.' fault
I have installed ubuntu and now I want to install flex. It asks for password but when I type my password, it asks me the password for root.
When I enter the password which I had specified during ...
0
votes
0answers
51 views
Unknown module with PAM authentication and IPSec/OpenSwan VPN on 12.10
I have setup a VPN on my home Ubuntu 12.10 server using instructions found here using CHAP authentication:
https://raymii.org/s/tutorials/IPSEC_L2TP_vpn_with_Ubuntu_12.10.html
I'd like to now change ...
0
votes
0answers
118 views
Authentication needed in turpial everytime I log in
I am looking for a good linux twitter client, and of all the things I tried, I liked turpial the best.
Unfortunately, when I used it in 12.10, no matter what I did, I was asked to do the entire ...
0
votes
0answers
14 views
Accessing share without defining host
I've created multiple Samba shares using "net usershare" and they work perfectly. The only question is that the user connecting to the share has to use one of the following two formats to log in ...
0
votes
0answers
20 views
Authentication window in GNOME disappears before I have a chance to type in the password
Sporting 12.10 with Gnome Shell.
When I start graphical Software updater manager, and click "Install now", I got "Authentication Required" window prompt as per usual. However, after I've typed couple ...
0
votes
0answers
20 views
Login to phpMyAdmin with a domain user
Is there a way to allow domain users to log into phpMyAdmin using their credentials?
My Ubuntu Server 12.04.2 is on a Windows Domain and I need each or at least users of a certain group to be able to ...
0
votes
2answers
63 views
Authentication required for every 1 hour for Internet but NO proxy. How do I get out from this problem?
OS: Ubuntu 12.04 and/or above
My system connected to University campus Internet which has no proxy. But needs authentication (username and password) for every 1 hour. If the web-browser is running ...
0
votes
1answer
39 views
apt authentication failure on self-signed package
I did create a gpg key using "gpg --gen-key", here is the listing:
> gpg --list-keys
/home/<user>/.gnupg/pubring.gpg
--------------------------------
pub 2048R/99EDE0B7 2013-02-05
uid ...
0
votes
0answers
59 views
How can I disable/change the admin password?
I recently started using Ubuntu 12.10. I was trying to install drivers for a printer I just obtained and I wanted my laptop to look like it was suspended, so I set the When lid is closed option to Do ...
0
votes
0answers
9 views
Still can't recover/change password in Ubunti 12.04 [duplicate]
I, like others, set my password to "None" thinking that I would be able to log in without having to enter a password every time. Now I can't log in as Admin. to load apps, etc. I have tried the ...
1
vote
1answer
73 views
Authentication required to install plug-ins and application [duplicate]
I cannot install new plug in to my linux computer. It keeps asking authentication required that needs a password. I do not know what the password is. Pls help me identify the problem or remove the ...
0
votes
0answers
85 views
How to login using domain\user and AD password? [duplicate]
I have Ubuntu 12.10 machine that has been joined to an active directory domain. However, when the machine turns on and I am presented with a login screen, I can't just type DOMAIN\user. All I can do ...
1
vote
0answers
97 views
Apt behind proxy
I've been trying to get a package manager to work behind our company proxy for a whole day now but without any luck. The proxy requires authentication which is my personal email address and password. ...
0
votes
0answers
60 views
Upgrade from 12.04 to 12.10 failed
I have noticed this is a common problem. By googling Authentication failed, a lot of pages can be found but no one can help solve the problem.
I also notice a lot of similar questions have been closed ...
2
votes
1answer
115 views
ubuntu 11.10 /var/log/auth.log
I use Ubuntu 11.10. And I want it to write logging messages about failed ssh log in attempts to /var/log/auth.log. In my understanding /var/log/auth.log is supposed to hold all failed ssh connection ...
3
votes
1answer
125 views
Login on local terminal without password
I have a virtual guest of Ubuntu on a KVM Machine, I've setup the machine so I can type virsh console and be dropped into a console.
I realise the security considerations here, but is it possible to ...
1
vote
1answer
229 views
Authentication issue after Wubi installation
I am unable to log-in to Ubuntu with the username/password combination I gave on Wubi at the time of installation (incorrect username/password error). This happened twice; the first time I really ...
0
votes
0answers
29 views
Authentication failure when trying to install
I've installed Ubuntu on my netbook, and when trying to install Steam, or Skype it gives me this authentication popup, when I try to enter my password it simply says "authentication failure" and... ...
0
votes
0answers
33 views
Disconnecting from WLAN
I get the following... Can anyone explain what "reason=1" means? I searched but can not find anything.
kernel: [18897.983059] wlan0: deauthenticating from 00:0f:7d:9e:0f:13 by local choice (reason=1)
...
2
votes
2answers
126 views
Authentication failed with the correct password and now I cannot use sudo anymore
Recently I installed Ubuntu 12.04 (first time on Ubuntu).
I have my normal "administrator", and another Guest account.
I was experimenting today with the user accounts, and set my "administrator" ...
0
votes
0answers
14 views
How do I authenticate over a domain while doing apt-get update? [duplicate]
I am getting various 401 auth errors when trying to sudo apt-get update.
I am connected to my corp vpn and have an SSH into my Ubuntu machine.
How can I authenticate using my network login/pw to ...
3
votes
1answer
50 views
Another proxy question post
I would like to set up a number of computers that need to go through a proxy server to get to the outside world. The OS is Ubuntu 12.04 but the issue seems common to all versions (are far as I can ...
4
votes
2answers
163 views
Is there a way to save username and password for print authentication?
I saw this this question and followed its answer, but the problem persists for me. Once I send a document to print, this dialog box (in figure) opens up and shows "Held for authentication". Then I ...
0
votes
0answers
213 views
Wireless problems with HP Mini 210 1100 and Netcomm NB16VW
Just switched modem from an older Netcomm router / modem after power supply failed.
Old router - NetComm NB9WMAXX
New Router - Netcomm NB16VW
I've configured everything the same on the new router ...
1
vote
1answer
90 views
Directory path for home to an external NTFS hard drive
OK, I have run into a problem with authentication and I think I have figured out the problem but i cant seem to find the solution anywhere I look. I am using Ubuntu 12.04 running Lamp (individually ...
3
votes
0answers
69 views
How to use PAM to restrict HTTP access for some users?
I've read that PAM can be used to restrict HTTP access for some users, but I can't figure out how to do it in Ubuntu 12.04.
The /etc/security/time.conf man page contains this example:
All users ...
