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News & Blog

News & Blog

Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.

The 70,000-Hour Time Bomb: How We Brought a Dead Storage Cluster Back to Life Without Losing a Single Byte

The 70,000-Hour Time Bomb: How We Brought a Dead Storage Cluster Back to Life Without Losing a Single Byte

Case study: a dead Fujitsu storage cluster brought back without data loss. Toshiba PX02SMF 70000-hour firmware lock solved with openSeaChest.

StorageWindows ServerDatenrettung
Proxmox VM Templates vs. Cloud-Init: When to Use Which

Proxmox VM Templates vs. Cloud-Init: When to Use Which

Proxmox VM templates or Cloud-Init? Comparison of provisioning patterns, qm examples, trade-offs on storage, refresh cycles and automation.

ProxmoxCloud-InitAutomation

Cloud Backup Costs 2026: B2 vs. Wasabi vs. Storj Update

Update to the existing comparison of cloud backup providers. What has changed since May 2026? Prices, egress models, minimum storage periods and calculation examples for 1, 10 and 100 TB per month — including Hetzner Storage Box and AWS S3 Glacier Deep Archive.

Cloud BackupCostsComparison
Linux Server Hardening: 15-Minute Checklist

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.

LinuxSecurityHardening
TrueNAS HA: When Is the Dual Controller Worth It?

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.

TrueNASHigh AvailabilityStrategy
Cyber Insurance 2026: What Insurers Demand from SMBs

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.

InsuranceCyberCompliance
Hyper-V to Proxmox: Migration Without Data Loss

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.

ProxmoxHyper-VMigration
Backup Encryption: Key Management Done Right

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.

BackupEncryptionSecurity
AI in the Mid-Market: When Does Own GPU Hardware Pay Off?

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.

AIGPUHardware
Open Source Strategy for the Mid-Market

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.

Open SourceStrategySMB
TrueNAS Snapshot Strategies for VM Storage

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.

TrueNASSnapshotsVirtualization
ISO 27001 for SMBs: A Realistic Start

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.

ComplianceISO 27001ISMS

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