@AmoabaKelvin

What Actually Determines a File's Type

Dec 13, 2025 · 3 min read · Every file format has a specification, “an agreed-upon structure that defines how the bytes in that file are organized”. Just like we have standards for internet protocols, we have standards for file types. When an application opens a PDF or parses a...

Obscurity is your biggest enemy

Jun 15, 2025 · 2 min read · One thing about the current world is that people can decide to be everywhere. With technology, we can all be engaged in matters happening in other parts of the world so far from where we are and also be in touch with people from all over the world. O...

Monotonic and Wall Clock Time

Mar 16, 2025 · 3 min read · Monotonic and wall clock time are two ways we measure time. Wall clock time is the time we see on our clocks. It's the time we are all used to and respond with when someone asks "what time it is?". Monotonic time on the other hand, is one that simply...

What does it mean to write your own smtp server?

Jun 17, 2024 · 3 min read · Writing your own SMTP server basically means that you go by the SMTP RFCSs and make sure that your system responds appropriately to whatever commands that come in from other mail servers. Under the hood, smtp servers are doing the same things with sl...

IP Addresses

Mar 18, 2024 · 4 min read · An IP address is a unique 32-bit address that identifies any device connected to the internet. It is of the form X.X.X.X. Each networked device has a unique IP address attached to it. The definition for the IP address above is that of the IPV4 IP add...