León Castillejos’ blog

“Never memorize something that you can look up.” - Albert Einstein

Posts

Breaking bad habits thanks to dark patterns

  • 6 min read

Most digital products and services are optimised to generate as much revenue as possible. An app will only generate revenue for the creator for as long as you keep actively engaging with it. Therefore, one of the most important digital metrics is what’s called “user retention”. This is the percentage of users that return to the app in a specific timeframe.

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SSH tunnelling

  • 2 min read

Quick reference guide to use when you need to use OpenSSH’s various tunnelling features.

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My path into AWS: Part 1, Introduction

  • 9 min read

This will be a series of posts on the AWS recruitment process. If you wish to see a list of all the posts for this series, click here. I will try to cover everything I find relevant, but I’m open to suggestions on what to include. Let me know via Twitter!

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Damn Vulnerable Web Application v1.10 Virtual Machine

  • ~1 min read

The latest binary release for Damn Vulnerable Web Application is an ISO of the 1.0.7 version. It was released almost ten years ago in 2010. And the way to install a newer version is quite a lengthy process, so I decided to release this virtual machine with everything already set up.

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Docker cleanup commands

  • 2 min read

It is important that from time to time, machines running Docker are cleaned because otherwise, Docker leftovers will start piling up and eating precious storage space.

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