News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
Linux Server Hardening: 15-Minute Checklist
Ten concrete hardening steps for a freshly installed Debian, Ubuntu or Rocky Linux server — SSH, updates, firewall, auditing, sudo, limits, services, NTP, logging, kernel sysctl. With commands, doable in a quarter of an hour.
TrueNAS HA: When Is the Dual Controller Worth It?
Dual-controller high availability on TrueNAS is non-trivial — neither in price nor in concept. When HA really pays off, what it does not solve, and when two single-controller systems are the better choice.
Cyber Insurance 2026: What Insurers Demand from SMBs
Insurers in 2026 demand increasingly detailed minimum standards — MFA everywhere, documented patch management, EDR, immutable backups, training, incident response plan, segmentation. What is on the pre-contract questionnaire and what gets checked in a claim.
Hyper-V to Proxmox: Migration Without Data Loss
Concrete steps for migrating Hyper-V VMs to Proxmox VE: VHDX conversion, VirtIO drivers, boot modes, licence reactivation and test strategy for a smooth switch.
Backup Encryption: Key Management Done Right
Encrypted backups are useless if key management is sloppy. Symmetric vs. asymmetric, vault options, rotation, recovery scenarios and the tool-level practice for PBS, Restic and TrueNAS.
AI in the Mid-Market: When Does Own GPU Hardware Pay Off?
On-prem GPUs for AI are no end in themselves. When an own workstation or GPU server actually pays off, which hardware is on the table in 2026 and what the software stack should look like.
Open Source Strategy for the Mid-Market
Open source is strategy, not licence saving. Selection criteria, where OS is mature for mid-market, risk management, total cost of ownership, stakeholder communication. A guide without ideology.
TrueNAS Snapshot Strategies for VM Storage
Specific to VM storage: VM-consistent vs. crash-consistent snapshots, TrueNAS vs. hypervisor snapshots, dataset layout per VM or per pool, VM-aware backup, restore paths, retention trade-offs.
ISO 27001 for SMBs: A Realistic Start
How a mid-market company should approach ISO/IEC 27001 — effort, Annex A controls, Statement of Applicability, tooling like verinice. A sober path without invented statistics.
iSCSI vs. NFS for Hypervisor Storage: When What?
iSCSI (block) vs. NFS (file) as VM storage for VMware, Proxmox and KVM. Performance, snapshots, multipath, cluster behaviour — a concrete decision guide for which protocol fits which workload.
Proxmox Replication Between Two Sites
ZFS-based VM replication in Proxmox (pvesr) between two sites: setup, frequency, retention, initial sync, failover. How it differs from HA cluster and Proxmox Backup Server. A pragmatic DR strategy.
3-Person Law Firm: Best-Practice IT Setup
Concrete IT architecture for a small law firm with three attorneys: workstations, TrueNAS Mini X+ as a case file server, PBS backup, OPNsense, mailserver options, DMS, VPN for remote work, retention compliance and GDPR.
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