Category: Linux EN
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…
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…
A Digital Noah’s Ark: How UrBackup and TrueNAS Protect Your Data
In today’s digital world, our lives—both personal and professional—are recorded as data. From family photos to crucial company databases, losing this information can be catastrophic. Despite this, many individuals and businesses still treat backups as an afterthought. Here is a complete guide to building a powerful, automated, and secure backup system using free tools: UrBackup,…
Your Private Cloud: Reclaiming Control of Your Data with Nextcloud and TrueNAS
In an era where our digital lives are scattered across the servers of tech giants, a growing number of people are seeking digital sovereignty. They want to decide where their most valuable data is stored, from family photos to confidential documents. The answer to this need is Nextcloud, a powerful open-source platform that allows you…
WireGuard on TrueNAS Scale: How to Build a Secure and Efficient Bridge Between Your Local Network and VPS Servers
In today’s digital world, where remote work and distributed infrastructure are becoming the norm, secure access to network resources is not so much a luxury as an absolute necessity. Virtual Private Networks (VPNs) have long been the answer to these needs, yet traditional solutions can be complicated and slow. Enter WireGuard—a modern VPN protocol that…
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.…
Wazuh on Your Own Server: Digital Sovereignty at the Cost of Complexity
Faced with the rising costs of commercial solutions and escalating cyber threats, the free security platform Wazuh is gaining popularity as a powerful alternative. However, the decision to self-host it on one’s own servers represents a fundamental trade-off: organisations gain unprecedented control over their data and system, but in return, they must contend with significant…
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…
