Category: Optimisation
Ventoy – The Ultimate IT Rescue Drive: Building a Universal Diagnostic and Recovery Hub
Anyone who has had to install an operating system, troubleshoot a hard drive, or set up multiple Linux distributions knows the frustration of constantly formatting USB sticks. This ends now. The answer to this problem is Ventoy—an ingenious, free utility that changes how we approach bootable media. If your IT toolkit includes multiple Windows installers,…
NetData in Home Lab and SME Environments:
Full Observability, 1-Second Granularity, and Intelligent Troubleshooting I. Introduction: What is NetData and Why Administration Requires ‘Live’ Data Administering a modern, heterogeneous infrastructure in a home lab or a small-to-medium enterprise (SME) presents the SysAdmin with unique challenges. The necessity of monitoring a critical TrueNAS SCALE server running on Debian, several Ubuntu Server Virtual Private…
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…
An End to Intrusive Adverts: How to Reclaim Control of the Internet at Home and Away. AdGuard Home.
The modern internet is a battlefield for our attention, and adverts have become the primary ammunition. This is felt particularly acutely on smartphones, where intrusive banners and pop-up windows can effectively discourage you from browsing content. However, there is an effective and comprehensive solution that allows you to create your own protective shield, not only…
Nginx Proxy Manager on TrueNAS Scale: Installation, Configuration, and Troubleshooting
Section 1: Introduction: Simplifying Home Lab Access with Nginx Proxy Manager on TrueNAS Scale Modern home labs have evolved from simple setups into complex ecosystems running dozens of services, from media servers like Plex or Jellyfin, to home automation systems such as Home Assistant, to personal clouds and password managers. Managing access to each of…
Your Server is Secure: A Guide to Permanently Blocking Attacks
A Permanent IP Blacklist with Fail2ban, UFW, and Ipset Introduction: Beyond Temporary Protection In the digital world, where server attacks are a daily occurrence, merely reacting is not enough. Although tools like Fail2ban provide a basic line of defence, their temporary blocks leave a loophole—persistent attackers can return and try again after the ban expires.…
Ubuntu Pro: More Than Just a Regular System. A Comprehensive Guide to Services and Benefits
Canonical, the company behind the world’s most popular Linux distribution, offers an extended subscription called Ubuntu Pro. This service, available for free for individual users on up to five machines, elevates the standard Ubuntu experience to the level of corporate security, compliance, and extended technical support. What exactly does this offer include, and is it…
WordPress and the “A scheduled event has failed” error
Every WordPress site administrator knows that feeling. You log into the dashboard, and there’s a message waiting for you: “A scheduled event has failed”. Your heart stops for a moment. Is the site down? Is it a serious crash? Calm down! Before you start to panic, take a deep breath. This error, although it sounds…
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,…
CyberPanel and running out of disk space. XCP-ng, LVM increasing disk size.
Sometimes it happens that the disk space allocated to our websites on our server turns out to be too small. If our operating system is installed on LVM (Logical Volume Manager), we can relatively easily expand the disk size to what we need. In this article, I will show you how to do it. Our…
