Ubuntu with Su switch, enter the password hint authentication failure solution

Source: Internet
Author: User

ubuntu with Su switch, enter the password prompt authentication failed, after review originally installed in Ubuntu, the root user is locked by default, do not allow login, and do not allow Su to root, for desktop users this may be to enhance security.

Under Terminal

sudo passwd

Password: <---Enter the password for the user at the time of installation

Enter New UNIX Password: <---The new root user password

Retype new UNIX Password: <---Repeat the root user password

passwd: Password has been successfully updated

Ubuntu with Su switch, enter the password hint authentication failure solution

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.