Kevin Cui

One Year of Bug Bounty Hunting

It's been a year since I started bug bounty hunting as a hobby, and overall, I'm happy to have it as my passion. Not only it is a lucrative pastime, but I've also learned a ton from it...
Feb 22, 2025 • Read in 5 Min • on tags: bug bounty

Three jq Tips You May Need to Know

jq is famously known as a powerful command-line JSON parser. Besides performing as a parser, jq has many other handy usages as well. Here, I’d like to share 3 jq tips you may need to know....
Nov 3, 2020 • Read in 2 Min • on tags: jq, CLI

Be Quiet

Nowadays, the Internet becomes an extremely loud and noisy place: endless notifications, messages, chats, posts, streamings, ads, spams, bots... They are all shouting right in front of you anytime everywhere to catch your limited attention and to steal your precious time....
Jul 27, 2019 • Read in 4 Min • on tags: self-awareness, life

Twenty Months With Colemak

Time truly flies. It has been 20 months since I switched from QWERTY to Colemak keyboard layout. Am I now able to type on the Colemak keyboard as fast as the time flies? Certainly not....
Apr 18, 2019 • Read in 3 Min • on tags: colemak, keyboard, productivity

Replace 8 Frequently Used Linux Commands!?

Almost a decade ago, I started to touch the command-line interface (CLI). I'm now a nerdy CLI lover and I'm so obsessed by its efficiency. Therefore, I'm always trying out new command-line commands. From time to time, some commands are replaced by other improved ones in my daily workflow...
Sep 2, 2018 • Read in 5 Min • on tags: CLI, linux, commands, list

3 mitmproxy Tips You Might Not Know About

mitmproxy is a powerful proxy tool for debugging network requests and responses. It's my favorite proxy tool and becoming one of my daily essential tools for working. I would like to share with you 3 mitmproxy tips you might not know about...
Jul 28, 2018 • Read in 3 Min • on tags: mitmproxy, proxy, tool, mock, tips

Ship PWA Guided by Lighthouse

Nowadays, PWA is so hyped. All the cool kids are implementing PWA, or on the way to implement it. It's like a magic box, they said, what contains ultimate happiness for users. Wow it sounds awesome, right? How is it possible that I could miss this opportunity to stay as a member of the cool kids club?...
Dec 3, 2017 • Read in 4 Min • on tags: pwa, lighthouse, web building