The Servers Are Burning

https://medium.com/logic-magazine/the-servers-are-burning-ead14e5ad0e2
How small bugs can cascade. 

6 Lessons we learned when debugging a scaling problem on GitLab.com

https://about.gitlab.com/blog/2019/08/27/tyranny-of-the-clock/
Yes, wireshark has a wealth of info

Moving beyond console.log() — 8 Console Methods You Should Use When Debugging JavaScript and Node

https://levelup.gitconnected.com/moving-beyond-console-log-8-console-methods-you-should-use-when-debugging-javascript-and-node-25f6ac840ada
actually 5 points, 8 function calls. 

10 Tips for Javascript Debugging Like a PRO with Console

https://medium.com/appsflyer/10-tips-for-javascript-debugging-like-a-pro-with-console-7140027eb5f6
Good articles of basics (and a few not-so-basics) of using the console with JavaScript. 

Setting up Xdebug with Laravel Valet

https://murze.be/2017/01/xdebug-with-laravel-valet/
setting up xdebug on a local laravel install is not too difficult

Debugging with Humility

http://amir.rachum.com/blog/2016/12/18/debugging-with-humility/
When your explanation of the bug hinders instead of helps...