Ubuntu- Authenticate password not recognized

Posted on 2008-11-19
Last Modified: 2013-11-15
I'm trying to add user to a Ubuntu driven laptop, I am the administrator and for some odd reason my password to authenticate and unlock the user settings screen is not recognized. Need help to overcome this. Funny enough when I login to Ubuntu from main screen password is recognized.
Question by:louielighting
    1 Comment
    LVL 87

    Accepted Solution

    The user you are logged in as probably isn't a member of the groups included in the /etc/sudoers file. Make sure you are a member of the admin group, as that group should have the necessary rights to use sudo.

    Featured Post

    Threat Intelligence Starter Resources

    Integrating threat intelligence can be challenging, and not all companies are ready. These resources can help you build awareness and prepare for defense.

    Join & Write a Comment

    In my business, I use the LTS (Long Term Support) versions of Linux. My workstations do real work, and so I rarely have the patience to deal with silly problems caused by an upgraded kernel that had experimental software on it to begin with from a r…
    1. Introduction As many people are interested in Linux but not as many are interested or knowledgeable (enough) to install Linux on their system, here is a safe way to try out Linux on your existing (Windows) system. The idea is that you insta…
    Hi everyone! This is Experts Exchange customer support.  This quick video will show you how to change your primary email address.  If you have any questions, then please Write a Comment below!
    Sending a Secure fax is easy with eFax Corporate ( First, Just open a new email message.  In the To field, type your recipient's fax number You can even send a secure international fax — just include t…

    746 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    18 Experts available now in Live!

    Get 1:1 Help Now