News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
Automating Let's Encrypt Certificates with ACME
Automate free TLS certificates with Let's Encrypt and the ACME protocol — setup on OPNsense and Linux, wildcard certificates, auto-renewal, and common pitfalls.
OPNsense OpenVPN: Setting Up Remote Access VPN
Set up OpenVPN on OPNsense: PKI, server configuration, client certificates, split tunneling, TOTP two-factor authentication, and monitoring — complete step-by-step guide.
TrueNAS SMB Shares with Active Directory: Enterprise File Sharing
Set up TrueNAS SMB shares with Active Directory: domain join, ACLs, permissions, home directories, and shadow copies — step by step for SMBs.
Proxmox Cloud-Init: Provision VMs Automatically
Use Cloud-Init in Proxmox VE: create template VMs, configure users, networking, and SSH keys, clone VMs via CLI, and automate deployment at scale.
TrueNAS Cloud Sync: Offsite Backup with S3-Compatible Storage
Set up TrueNAS Cloud Sync: automatic offsite backups to S3, Wasabi, Backblaze B2, or MinIO — encrypted, scheduled, and cost-effective.
Proxmox SDN: Software-Defined Networking for Virtual Networks
Set up Proxmox SDN: zones, VNets, and subnets for isolated networks in the cluster — without physical switches or VLANs at the hypervisor.
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.
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