News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
Zabbix: Open-Source Monitoring for Enterprises — Setup and Best Practices
Using Zabbix in the enterprise: architecture, installation on Debian/Ubuntu, host monitoring, templates, auto-discovery, alerting, and dashboards — the complete guide.
Email Security: How to Configure SPF, DKIM, and DMARC Correctly
Set up SPF, DKIM, and DMARC: email authentication against spoofing and phishing — with DNS records, examples, and testing tools for SMBs.
OPNsense High Availability: CARP Failover for Redundant Firewalls
Set up OPNsense HA with CARP: two firewalls in an active/passive cluster with automatic failover — configuration, synchronization, and monitoring.
TrueNAS iSCSI Storage for Proxmox: Setting Up Shared Storage
Set up TrueNAS as iSCSI storage for Proxmox VE: Zvol, portal, target, LUN, and Proxmox integration — step by step for HA clusters.
Proxmox Backup Server Setup: Complete PBS Guide for Businesses
Set up and configure Proxmox Backup Server (PBS): datastores, backup jobs, encryption, and retention — step by step for Proxmox VE environments.
Linux Server Hardening: The Essential Security Measures
Securing Linux servers: SSH hardening, firewall, automatic updates, user permissions, and more measures for Debian and Ubuntu in enterprise environments.
DATAZONE Control: Centralized IT Monitoring and Patch Management
Centrally monitor and patch IT infrastructure — with DATAZONE Control. Monitoring, updates, and configuration management for Proxmox, OPNsense, and Linux.
OPNsense IDS/IPS with Suricata: Detecting and Blocking Attacks
Intrusion detection and prevention with Suricata on OPNsense: Setup, rulesets, performance tuning, and best practices for enterprise networks.
Disaster Recovery for SMBs: Minimizing Downtime
Disaster recovery planning for small and medium-sized businesses: RPO, RTO, backup strategies, and concrete measures against IT outages.
ZFS RAID Levels Explained: RAID-Z1, Z2, Z3 and Mirror Compared
ZFS RAID levels overview: When RAID-Z1, RAID-Z2, RAID-Z3 or Mirror is the right choice — with capacity calculations and practical recommendations.
Proxmox GPU Passthrough: Passing Graphics Cards to VMs
Set up GPU passthrough on Proxmox VE: Pass graphics cards and PCIe devices directly to virtual machines — for AI, CAD, rendering, and remote desktop.
Managing OPNsense Blocklists Centrally with DATAZONE Control
Automate IP blocklist setup across multiple OPNsense firewalls — with DATAZONE Control and a single script.
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