blog.diofeher.netUsing Mise for managing multiple versions of softwareThis 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...Oct 2, 2025·2 min read
blog.diofeher.netBigIAMChallengeEDIT: 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 ...Aug 9, 2025·4 min read
blog.diofeher.netMinha experiência no OMSCS da Georgia TechOlá, 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 ...Jan 21, 2025·6 min read
blog.diofeher.netMultiple Github and SSH accountsHey! 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...Nov 5, 2024·2 min read
blog.diofeher.netMy first Terraform AWS open-source contributionHello! 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...Jul 18, 2024·4 min read