Feb 24 · 12 min read · Series: Learning Linux Basics | Topic: Create and Manage Hard Links Introduction: The Magic of Multiple File Names, One Data Have you ever wondered how Linux manages files under the hood? Or why you
Join discussion
Feb 18 · 1 min read · We often talk about "cloud" as if it floats in the sky, but physical geography dictates performance. In our latest post, we break down the specific advantages of hosting dedicated servers in Germany. We cover: Why Frankfurt is effectively the "Netwo...
Join discussion
Feb 16 · 6 min read · This article documents a real-world PostgreSQL production incident.All business names, schemas, queries, IPs, and identifiers have been anonymized for confidentiality. 📌 System Overview OS: Ubuntu Server 24.04 LTS Database: PostgreSQL 16.x CPU:...
Join discussionFeb 10 · 3 min read · Managing users and file access is a core responsibility of Linux system administration. In environments where multiple departments share the same system, it is important to ensure that users can only access files that belong to their department. This...
Join discussion
Feb 9 · 5 min read · Quem mantém mais de uma distribuição Linux sabe a dor: dnf update aqui, pacman -Syu ali, apt upgrade acolá. Multiplica isso por cinco máquinas — dois laptops com Omarchy e EndeavourOS (Arch), outro com Ubuntu 25.04, um desktop com Fedora 43 e um home...
Join discussion
Feb 5 · 2 min read · System administration isn’t just about keeping the lights on—it’s about making sure your Linux systems run smoothly, securely, and efficiently. Whether you’re spinning up a single server or wrangling hundreds in the cloud, the modern admin’s job is p...
Join discussionJan 27 · 12 min read · How DNS Works : From Domain Name to IP Address When you want to visit a website like youtube.com, you just type the name in your browser. This name is easy for humans to remember, but computers don’t understand it. Computers need the IP address of th...
Join discussion
Jan 27 · 2 min read · I have created a new project in Packet tracer which is subnetting the IP Address and creation of 2 networks, each network with 3 Pcs, 1 DHCP Server one Switch and one Router finally one internet router to connect the networks to the Web and DNS Serve...
Join discussion
Jan 27 · 5 min read · Before you look at iostat, before you blame disks, before you scale hardware — you need one correct mental model. Let’s build it. Why does disk I/O even exist? A program never wants disk. A program wants data. Disk I/O happens only in two situations...
Join discussion