OTC CatchUp #68 Summary

General introductions.

Ishan Sharma explained hiding subdomains from subdomain-finding tools using Nginx by adding wildcard CNAME entries in the DNS console and then configuring Nginx to handle the subdomain requests.

Vatsal Patel told us how he overclocked processors. Vatsal and his teammate cooled about 40 AMD Ryzen processors using Liquid Nitrogen. They also used Cinebench to run tests on all the processors.

Vatsal Patel also told us about Cold Boot Attacks which involve pouring Liquid Nitrogen on RAMs to freeze unencrypted data to access it.

Yash Narang showcased the 2022 HackerRank interns web app. It’s amazing!

Anil Harwani talked about job responsibilities and how his role always spans various projects at AMD.

We saw Ishan Sharma battle it out in a Front-end vs. Back-end Developer Rap Battle.

Harsh Kapadia told everyone how major browsers like Mozilla Firefox, Google Chrome and Microsoft Edge upgrading to version 100 will break some sites.

We talked about PXE Boot.

Harsh Kapadia showcased updates to Git Graph, a visualizer for the Directed Acyclic Graph that Git creates to connect Commit, Tree and Blob objects internally.

Jaden Furtado showcased an updated version of his Mental Health web app with 3D robot that he built using Three.js and Spline.

Saurabh Suryan showcased a React.js based tutorial component he built at an internship at aftershoot.com that highlights DOM elements and gives a description about them.

Ishan Sharma presented HackerDraw, a tool for collaboratively making informative diagrams using whiteboards, sequence diagrams, database diagrams and mind maps. He made it while interning at HackerRank.