System & Network Admin

Learn ways to detect which Linux distribution a system is running.

Installing NixOS on Raspberry Pi without monitor and keyboard.

Sergei Egorov's personal website

Nix is a tool that takes a unique approach to package management and system configuration. Learn how to make reproducible, declarative and reliable systems.

Manually create a bootable USB from ISO Files Using the Linux dd Command. Easily burn or write ISO to USB drives. Easily boot from a USB stick.

Why I self-host my websites, newsletter, and homelab—and the satisfaction that comes from building and using your own digital tools.

Configuring Your OTel Collector’s Internal Telemetry Endpoint

Docs for the Pinry project.

NixOS 24.05 is released a few days ago. This Step-by-Step tutorial explains how to upgrade NixOS to latest available version.

Deploy 350+ open-source software on a dedicated instance in 3 mins. We handle setup, config, encryption, backups, updates, monitoring & more!

At the dawn of the PC, IBM provided the Basic Input Output System (BIOS). It took care of bringing the machine up, and exposed a series of software hooks for the hardware. Over the years the BIOS a…

Bypass CGNAT permanently and host websites from home.

Expose multiple home servers using a single Rathole server.

Turns out my previous attempt at this build had a faulty CPU! With the CPU replaced, the machine now is stable and fast! 🚀 In this article, I’ll go into a lot more detail about the component selection, but in a nutshell, I picked an Intel 285K CPU for low idle power, chose a 4TB SSD so I don’t have to worry about running out of storage quickly, and a capable nvidia graphics card to drive my Dell UP3218K 8K monitor.

The purpose of this tutorial is to extract the audio contents from a video file on a Linux system. This can be done from the command line after installing the software package, if you do not already…

Windows 11 Clipboard Manager ships with many new upgraded & enhanced features. We show you how to use each & every one of the features.

A behind-the-scenes look at everything you'd need to piece together.

LogKeys is an open-source keylogger for Linux that captures and logs keyboard input, including characters, function keys, and special keys.

Learn how to migrate VMs from VMware ESXi to Proxmox VE using its built-in import tool, with tips for optimizing Windows post-migration.

1. What is Nikto? Nikto is an open-source web server scanner that performs comprehensive tests against web servers to identify vulnerabilities,

What is davtest? davtest (WebDAV Test Tool) is a penetration testing tool designed to assess the security of WebDAV (Web Distributed Authoring and

List of Raspberry Pi's default passwords and logins for popular distributions (Raspbian, OSMC, LibreELEC etc.). Change password (incl. root) in RPi.