Diógenes Fernandes

@diofeher

Platform Engineering

Joined August 2023

About

I'm from Brazil and I've been working professionally with technology since 2009. I love to learn, and my current professional interests are:

Infrastructure Security Platforms Cloud Coding and automation (always my number #1 <3)

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Diógenes Fernandes's blogs

Untitled Publicationblog.diofeher.net5 posts

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Recently published

DFDiógenes Fernandesblog.diofeher.netOct 2, 2025 · 2 min read

Using Mise for managing multiple versions of software

This is a living document. I'll be updating as soon as I improve my setup. I used to use asdf on my Mac OS X to manage different software versions across my projects, but I was constantly having problems due to various issues. My manager, Yousif, ha...

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DFDiógenes Fernandesblog.diofeher.netAug 9, 2025 · 4 min read

BigIAMChallenge

EDIT: I decided to redact the requests to make sure the readers are following the steps to receive the flag as well. This CTF challenge was created by Wiz.io to help engineers better understand how IAM Policies work. Challenge #1 The first challenge ...

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DFDiógenes Fernandesblog.diofeher.netJan 21, 2025 · 6 min read

Minha experiência no OMSCS da Georgia Tech

Olá, tudo bem? Frequentemente recebo mensagens de pessoas no Linkedin interessadas em aplicar pra um mestrado remoto no Estados Unidos. Em dezembro de 2024, concluí o que fiz na Georgia Tech, nos Estados Unidos, totalmente remoto. Vou elencar todo o ...

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DFDiógenes Fernandesblog.diofeher.netNov 5, 2024 · 2 min read

Multiple Github and SSH accounts

Hey! Have you ever needed two different GitHub accounts — one for personal use and one for work? GitHub doesn’t allow the same SSH key to be used for multiple accounts; if you try to reuse it, you’ll see a “Key Already in Use” error. So, what’s the b...

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DFDiógenes Fernandesblog.diofeher.netJul 18, 2024 · 4 min read

My first Terraform AWS open-source contribution

Hello! It's been some time since I last posted on my old blog, so I decided to write again to improve my writing and communication skills. I want to show you a problem that I faced at my current job. The problem I'm working at a data engineering proj...

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Diógenes Fernandes

About

Available for

Diógenes Fernandes's blogs

Recently published

Using Mise for managing multiple versions of software

BigIAMChallenge

Minha experiência no OMSCS da Georgia Tech

Multiple Github and SSH accounts

My first Terraform AWS open-source contribution

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Diógenes Fernandes

About

Available for

Diógenes Fernandes's blogs

Recently published

Using Mise for managing multiple versions of software

BigIAMChallenge

Minha experiência no OMSCS da Georgia Tech

Multiple Github and SSH accounts

My first Terraform AWS open-source contribution