Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Two Factor Authentication

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Avoid using SMS text message as your 2F authentication for a few reasons.
    • You might lose your phone.
    • Your phone might not work if you travel internationally.
  2. It is suggested that …

Fix Authentication Error of GitHub Repositories on DockerHub

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Solution

  1. Got to Account Seetings

  2. Navigate to the Linked Accounts seciton

  3. Unlink GitHub and relink it.

References

https://github.com/docker/hub-feedback/issues/416

Tips on Kerberos

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Installation

Ubuntu

apt-get install krb5-user

CentOS

yum install -y ntp yum install krb5-workstation krb5-libs krb5-auth-dialog

Issues

kinit: Permission denied while initializing Kerberos 5 library

It is likely due to the fact …