Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

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HardwareRedes•6 min

How to Format a USB Drive to FAT32, NTFS or exFAT and Choose the Right File System

Learn how to choose and apply the correct file system when formatting your USB drive. Understand technical differences and compatibility limits between FAT32, NTFS, and exFAT to prevent data loss.

Redes•4 min

What is an IPv4 Link-Local Address (169.254.x.x) and Why It Appears

Uncover the meaning behind the 169.254.x.x IP address range, known as link-local, and understand the technical reasons why your computer or network device automatically adopts it when a router fails.

RedesDevOps•3 min

How to Change the DNS Server on a Windows Network Adapter via Classic Panel

Learn how to modify DNS addressing configurations directly in the classic Windows control panel. Understand the practical impacts of this change on web browsing and name resolution.

Redes•5 min

What network latency is and why it differs from download speed

Understand the technical differences between latency and bandwidth. Learn why a fast internet connection can still feel sluggish and laggy in practice.

RedesDevOps•5 min

How to Use the SCP Command to Copy Files Between Computers Over a Network

Learn how to transfer data securely between servers using the scp command. Master syntax rules, custom ports, and solutions for common transfer roadblocks.

RedesHardware•4 min

Difference between unmanaged switch and old hub in local networks

Understand the structural and practical differences between a modern unmanaged switch and an old network hub, learning how data traffic and internet performance evolved with hardware.

RedesDevOps•6 min

What is the hosts file in Windows and Linux and how to use it for local testing

Learn how to manipulate the hosts file on Windows and Linux systems to direct domain names straight to local IP addresses, making application development and testing independent of external DNS servers.

RedesHardware•6 min

How to test network cable integrity using a simple RJ45 tester

Learn the step-by-step process to diagnose physical connectivity failures in network cables using a basic RJ45 cable tester. Discover how to identify broken, crossed, or improperly crimped wires without expensive certification equipment.

RedesBackend•4 min

What is Loopback 127001 and Localhost in Development and Networks

Understand the fundamental role of the 127.0.0.1 IP address and the localhost name in software engineering and network architecture. Discover how network traffic is redirected internally to your own computer without touching the internet.

RedesHardware•5 min

Difference Between Coaxial Cable, Network Cable, and Fiber Optic in Residential Internet

Understand the technical and practical differences between coaxial cables, network cables, and fiber optics. Learn how each technology impacts your residential internet speed, stability, and overall performance.