Ben Chuanlong Du's Blog

It is never too late to learn.

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 …

Hard Link, Symbolic Link and Bind Mount

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

https://unix.stackexchange.com/questions/198590/what-is-a-bind-mount

Fix Xcrun Error in Mac

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

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

xcode-select --install

Reference

https://apple.stackexchange.com/questions/254380/why-am-i-getting-an-invalid-active-developer-path-when-attempting-to-use-git-a

Turn on Remote Login in Mac

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

You cannot SSH into a Mac (even if openssh is install on it) unless Remote Login is turned on. You can follow the steps below to turn on Remote Login on …