News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
OPNsense Suricata: Rule Tuning Without False-Positive Floods
Tuning Suricata in OPNsense properly: ET/Open vs. commercial rulesets, threshold and suppression lists, SIEM integration and IOC rules against alert fatigue.
TrueNAS Snapshots as a Forensic Tool After Ransomware
ZFS snapshots do more than restore data after ransomware. With zfs diff, snapshot timelines and chain of custody they become a full forensic tool.
Proxmox Templates + Cloud-Init: A Practical Workflow
Automate Proxmox templates with Cloud-Init: from cloud image to reproducible VM deployment with a Bash script that rolls out 10 VMs in under 60 seconds.
Vacation Mode: Monitoring and Alerting with Reduced Staffing
Monitoring and alerting for SMB vacation mode: severity tuning, on-call rotation with Grafana OnCall, escalation chains and ticketing at 30 percent staffing.
Backup Practice: 30-Day Rotation and Restore Drill
30-day backup rotation with grandfather-father-son plus quarterly restore drill: RTO/RPO matrix, verification and typical silent failure patterns in SMB.
Server Room: Planning Power and Cooling for SMBs the Right Way
Planning power and cooling for 5-15 kW SMB server rooms: load calculation, UPS redundancy, precision cooling and monitoring in practice.
Linux ZFS Boot Mirror Broken: 4 Rescue Approaches
A broken ZFS boot pool takes Proxmox and Ubuntu offline. Four field-tested paths back to a running system via live ISO, chroot and bootloader rebuild.
OPNsense CrowdSec: Community Blocklist Against Bots and Bruteforce
CrowdSec on OPNsense: behaviour-based attack detection with a community blocklist against bots, brute force and scanners — setup, bouncers, Suricata integration.
TrueNAS SMB Multichannel: Configuring 10GbE Properly
Step-by-step guide to enabling SMB Multichannel on TrueNAS Scale for 10GbE clients, with Windows client verification and common configuration pitfalls.
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.
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.
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.
Page 3 of 22 · 261 articles