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

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2
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0answers
6 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 ...
0
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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
40 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
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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
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0answers
28 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 ...
-1
votes
0answers
20 views

Integrating Squid3 with Active Directory

What should be the outcome of this command when it is run successfully? msktutil -c -b "CN=COMPUTERS" -s HTTP/squidproxy.example.local -k /etc/squid3/PROXY.keytab \ --computer-name SQUIDPROXY-K --upn ...
0
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0answers
32 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
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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
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0answers
10 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 ...
1
vote
1answer
33 views

SSH-Login with key does not work correctly

I got a system where I want to get access via ssh-keys to. I created an user called monitor and created a file called authorized_keys in /home/monitor/.ssh/ and inserted 2 public keys: Publickey #1 ...
1
vote
1answer
33 views

Cant authenticate via GUI

I can not authenticate anything that requires GUI authentication...like approve software updates. After each try it says something like authentication was unsuccessful, and closes the dialog after 3 ...
1
vote
0answers
28 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 ...
0
votes
0answers
39 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 ...
1
vote
0answers
31 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 ...
0
votes
0answers
24 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 ...
2
votes
1answer
38 views

Add SSH key when only public key authentication is available?

This question is more of a general Linux or OpenSSH question than it is specific to Ubuntu but because I'm setting up an Ubuntu server, I'm asking it here. The organization I work for is built on an ...
0
votes
1answer
18 views

Running Ubuntu 14.04 and recently can't download from software center

Download from software center not possible and got this message " authentication error" I have tried all suggestions but still not fixed yet, I was wonder if anybody can help me out.
0
votes
1answer
166 views

proxy authentication error in using app-ppa-repository after exporting proxy settings in ubuntu 15.04

i am trying to add repositories through the terminal after exporting proxy settings. export http_proxy="http://username:password@proxy":"port" export ...
0
votes
0answers
47 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
57 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
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0answers
18 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
1
vote
1answer
28 views

Authentication failure

I'm using ubuntu 3.13.0-24-generic. I know root password and login before (my friend can use su command), root password not change but when i using su command it appear " authentication failure", What ...
0
votes
0answers
31 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 ...
3
votes
1answer
210 views

Could not load host key: /etc/ssh/ssh_host_ed25519_key in /var/log/auth.log

I have an Ubuntu 14.04 instance running on AWS. I was browsing the auth logs (/var/log/auth.log*), and noticed the following line appearing: Could not load host key: /etc/ssh/ssh_host_ed25519_key ...
0
votes
1answer
38 views

Can a user with ssh keys set their own password after logging in with keys without knowing their password?

I'm playing around with a script to create a user across a number of machines. I'd like to not know the users password at any time, but having the public SSH keys is quite acceptable to me. The user ...
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 ...
0
votes
0answers
71 views

Free Radius User Authentication

I have a question regarding Freeradius.As of right now I this is a sample of how my users are set up /etc/freeradius/users Test Cleartext-Password := "test123" Service-Type = ...
1
vote
0answers
69 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
1answer
61 views

Can't log in from terminal

I have a server with a hosting provider (OVH). I've never had any trouble logging in via SSH, but I use RSA authentication, so I'm not sure if I could actually get in with a password. However, when ...
0
votes
1answer
226 views

how to setup two factor authentication in Ubuntu for Ubuntu users using Google authenticator?

How to setup two factor authentication in Ubuntu for Ubuntu users using Google authenticator (It can also be setup for non Google accounts)?
0
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0answers
159 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 : ...
1
vote
1answer
113 views

Dovecot IMAP (port 143) not working with SASL while Postfix (port 25) is

I've got SASLAuthd working (via LDAP), and am also successfully able to telnet via port 25 with my LDAP credentials. Postfix is configured with Dovecot. All 3 services are running fine (Postfix, ...
1
vote
1answer
210 views

Ubuntu Phone (Aquaris 4.5) How to connect to a wifi network wich requires an account?

So I tried to login to the WiFi network at my University, which requires an account and password, but I never came that far. Whenever I select one of the networks (there are 2 usable networks) it ...
0
votes
0answers
9 views

**PLEASE** Help with Password Recovery / “Authentication token manipulation error” / keyboard won't type [duplicate]

I am really hoping that someone can help me with Password Recovery. A couple weeks ago my doctor found a 6 cm tumor in my head and had a surgeon remove it asap. Good news, it's benign so I get to ...
0
votes
0answers
57 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 ...
5
votes
1answer
972 views

Yubikey Two-factor Authentication Full-disk Encryption via LUKS

I recently acquired a Yubikey Neo - a nifty little hardware second factor authentication device. It's primarily intended for use with One Time Passwords, and the emerging U2F protocol - but since ...
1
vote
0answers
57 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 ...
0
votes
1answer
108 views

Using wget to download websites when logged in to a password protected session

I am having difficulty downloading websites with wget that require specific authentication. Specifically, my university has me login to my account to be able to access university related websites. I ...
1
vote
0answers
197 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 ...
0
votes
0answers
20 views

more information about the authntication [duplicate]

I have turned by mistake the account to standard position the passowrd right but the authenticate say your authentication attempt was unsuccessful so Icant download any program
1
vote
3answers
163 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
28 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
80 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
75 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
2answers
100 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
216 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
35 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
116 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 ...