BlogDB

Fantom ransomware

6 years ago, kaspersky reported a piece of ransomware which displayed a fake windows update screen during encryption. I don’t know the distribution, but I know it starts at Fantom.exe. This appears...

My Current Humble Audiophile Setting

I love to listen to music. In the last ten years, I have listened to an average of 40K-60K tracks per year.Listening to music is like putting dressing on a salad. It helps to guide the day's mood a...

Cloud (F)OSS is a good model

On building (mostly) open source startups Of late, I’ve been thinking a lot about what makes a startup work, and I think open sourcing your product—or a good portion of it—is a great approach. To b...

Interview with IMakeFOSS

I did an interview with IMakeFOSS! I discuss free and open-source software, including Linux, and PipeWire. I’m also curating the @imakefoss Twitter account for the week of February 7th to 14th. I’l...

How I built a real-time blog view counter with NextJs and Firebase 👨‍💻

My Hugo blog now is fast and light

This blog post is about what I have changed in my blog and website to make it faster. Recently, I have traveled with a bad airplane company that delayed my luggage. In the hope of getting my belong...

How to Calculate the Energy Consumption of a Mac

I’m a bit of a sustainability nerd. I love the idea of living a life where your carbon footprint is neutral (or negative) and you leave the world a better place than it was before you got here. Whi...

Rails 7 and Devise Issue with Sign Out

This issue is not specifically related to Devise; well it is. Let me explain.Your old sign out link:<%= link_to "Sign out", destroy_user_session_path, method: delete %> That is not going to work in...

Considering SystemVerilog Tagged Unions

I have recently been thinking a lot about tagged unions in SystemVerilog, since I discovered them a few months ago. In this post I present some of the ideal use cases for tagged unions, and why I t...

Pagination with Cassandra - let’s deal with paging large queries in python 🐍

Rails 7 and Paper_Trail Gem Compatibility

As of January 19th 2022, you can use paper_trail gem in your Rails 7 app.But you have to use this in your gem:gem "paper_trail", git: "https://github.com/paper-trail-gem/paper_trail" They haven't p...

Overview of malware authors

There is a huge amount of malware created and found every day, easily ranging from 1k to 3k every day just on a public resource such as malshare. So there is a big question: Who and why is creating...

Rails ActionText on a Mac M1 Pro

I was trying to use ActionText but Rails was giving me an issue about missing vips command in my Mac. After a bit of digging, I realized that I have to install libvips. It's a competitor of Imagema...

Looking for a system of structural writing

I mentioned in the previous post that writing is hard and that I don’t have any tips that can make it easier. That is mostly true, but I also mentioned that I’m starting to write using topic senten...

Transaction Isolation Levels Are A Confusing Mess

List all running ec2 instances in a table

Superhighway84 on FreeBSD

Intro A couple of weeks ago I saw Superhighway84 on HackerNews and started to check it out, but didn’t get very far. I finally spent some time to get it up and running on FreeBSD which works, but r...

Gitlab RCE Stealth Shellbot

Last year, a major RCE was found in GitLab, CVE-2021-22205, where GitLab versions >= 11.9 and <13.10.3 were affected due to improper image validation before passing it to a file parser. Malicious i...

One strange model

Introduction I’m interested in the model that is described in this post by Alexander Volkmann, which is a riff on a model described in Chapelle and maybe elsewhere too. Volkmann describes a Bayesia...

Sharing a Kubernetes cluster between multiple tenants

Running and maintaining Kubernetes clusters is hard. They need to be upgraded, automatically scale based on demand, be monitored and most importantly, ensured to be highly available at all time. So...