SYS_004 / LABS

#linux

Experimentos breves: qué se monta, cómo y qué se aprende.

01 / CYBERSECURITY Deploying a Hardened OpenVPN Server in an LXC Container: A Step-by-Step Guide

2025.07.06 COMPLETADO

Deploying a Hardened OpenVPN Server in an LXC Container: A Step-by-Step Guide

This guide walks you through the process of deploying a hardened OpenVPN server inside a TurnKey LXC container on a Proxmox host. The setup ensures secure access to a personal VPN endpoint using UDP on port 1194, with firewall protections and automated client generation.PrerequisitesP…

OpenVpn
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02 / GNU/LINUX

2025.01.01 COMPLETADO

Configure a TFTP Server Using Dnsmasq on Fedora

TFTP (Trivial File Transfer Protocol) is a lightweight file transfer protocol widely used in scenarios requiring minimal protocol overhead. Unlike more complex protocols like FTP or HTTP, TFTP is designed for simple, fast file transfers, often in environments where low resource usage and quick dep…

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03 / GNU/LINUX

2024.02.04 COMPLETADO

Root password recovery and Systemd Maintenance Mode

In the world of Linux system administration, encountering issues like forgetting the root password or facing errors in the fstab partition table can be daunting. However, Linux offers powerful tools to address such challenges effectively. In this guide, we'll dive into two essential techniques for…

Linux
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