2025

Úvod AI je dnes všade. Okrem technológie sa používa ako buzzword, miestami už ako nadávka. Všetci vieme (aspoň teda sa tvárime, že vieme) čo to je, všetci ju používame, staviame na nej [...] Read more

This article focuses on some simple tweaks I do for each new installation of Proxmox on my home setup to make my life a bit easier (f.e. user management, activation scripts, cluster directory mapping, backups, and much more...) [...] Read more

In this long blog I try to sum-up some features which you should disable before running MikroTik in any environment. First of all is an backup interface, so in case you lock yourself up, you will always have a way to login. Other points include creating custom user, disabling unused services in various places throughout the RouterOS ;). [...] Read more

MikroTik has a simple interface for managing certificates, but lacks the ability to notify you when such cert expires. For this reason I created a simple script insipired by forum question and modified for my purpose. [...] Read more

Recently I discovered a package in RouterOS, which enables you to monitor connected UPS through USB cable. In this post I explain a simple script which sends an email if the electricity goes down. [...] Read more

SSH Security: Keys vs. Passwords Advantages of SSH Keys over Passwords 1. Stronger Security SSH keys are cryptographically generated, offering significantly higher security than even strong [...] Read more

Managing your passwords through third parties isn't always the best practice, therefore I use vaultwarden, which can be deployed on my own infrastructure without subscription and need for external provider. [...] Read more

Jednoduchý "light" Hardening – Windows Server 2022 Cieľ: Vytvoriť štartovací zoznam tzv. "Best Security Practicies" pre hardening Windows Server 2022. Ide skôr o postinštalačné kroky. [...] Read more

Post focuses on virtual machine with installed Wazuh XDR solution. Used technologies are, beside wazuh, only debian as hosting OS and docker for easier deployment. [...] Read more

Simple Ethernet, VLAN, bonding and WiFi configuration with some notes on security. Please use the following decision table to decide which sections of this post to read. [...] Read more