Category: Serwer www
🚀 How to Increase the WordPress Max Upload File Size on a VPS with ISPConfig, Nginx, and OLS

Are you trying to upload a large file to your WordPress Media Library, only to be stopped by that frustrating 20MB limit? This issue is incredibly common on servers with advanced configurations—such as those where ISPConfig manages Nginx and OpenLiteSpeed/PHP-FPM—because the file size limit is enforced in multiple places simultaneously. Here is the definitive guide…
Forget aout Life360. OwnTracks on TrueNAS: Your Private Location Server

Nowadays, many people use location tracking apps like Life360 to know where family members are. They are convenient, but they involve giving your location data to a third-party company. OwnTracks is an open-source alternative that allows you to create your own private location server, giving you full control over your data. In this guide, we’ll…
Your Digital Fortress: How to Hide Applications from the Internet with Tailscale

In today’s digital world, exposing any service to a public IP address is like sending an open invitation to uninvited guests. Automated scanners, password-guessing bots, and attackers searching for security vulnerabilities are relentless. But what if we could make our most critical applications—like a Vaultwarden password manager or a Wazuh security monitoring system—completely invisible to…
Case Study: When Your SIEM Goes Silent. How I Diagnosed a Wazuh Paralysis Caused by… Itself.

Every administrator knows the feeling. You glance at your SIEM system’s dashboard, expecting a stream of alerts, but instead, there’s… silence. The dashboards aren’t refreshing; the last events are from hours ago. Your first thought? An outage. You log into the server, type systemctl status wazuh-manager, and see the reassuring green text: active (running). You’ve…
OpenLiteSpeed (OLS) with Redis. Fast Cache for WordPress Sites.

Managing a web server requires an understanding of the components that make up its architecture. Each element plays a crucial role in delivering content to users quickly and reliably. This article provides an in-depth analysis of a modern server configuration based on OpenLiteSpeed (OLS), explaining its fundamental mechanisms, its collaboration with the Redis caching system,…
Ubuntu Server 24.04, ISPConfig (Nginx) & OpenLiteSpeed: A Modern, High-Performance Web and Email Server Without CyberPanel
Introduction Hello there, fellow server administrators, Linux enthusiasts, and all those who don’t run screaming at the mere mention of a “reverse proxy”. Today, I’d like to share the story of a migration that – much like a decent bit of sci-fi – features a few plot twists, surprises, and, with any luck, a happy…











