News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
fail2ban Jail Templates for Typical SMB Servers
Production-ready fail2ban jails for SSH, Postfix, Dovecot, Nextcloud, Vaultwarden and Authentik. Includes recidive configuration and Cloudflare integration.
OPNsense Zenarmor: Layer 7 Blocking in Practice
Zenarmor on OPNsense blocks TikTok, Instagram and others even when users rely on DNS-over-HTTPS or VPN tunnels. Practical guide to L7 policies and licensing.
Proxmox 3-Node Cluster Without Shared Storage: ZFS Replication Instead
Proxmox HA cluster without Ceph or SAN: How ZFS replication, QDevice quorum and local storage enable a cost-effective 3-node cluster for SMB.
TrueNAS Snapshot Schedules: 5 Best Practices
Plan TrueNAS snapshot schedules right: GFS retention, recursive snapshots, naming, replication and holds for ZFS backup in production SMB environments.
Grafana, Prometheus and Loki: Self-Hosted Monitoring Stack
Complete observability stack with Grafana, Prometheus and Loki on a single VM. Docker Compose, scrape config, log aggregation and storage sizing for 30-day retention.
Ceph vs. ZFS: When to Pick Which for SMBs
Ceph vs. ZFS for SMBs: a decision matrix for Proxmox clusters, hardware requirements, operational complexity, and when a 3-node Ceph cluster actually makes sense.
OPNsense DynDNS via Cloudflare API: Automating Dynamic Public IPs
OPNsense DynDNS with Cloudflare API: os-ddclient plugin, scoped API token, multi-WAN handling, low TTL and fast DNS propagation for SMB networks.
PBS Sync Jobs: Offsite Backup to a Second Proxmox Backup Server
Set up PBS sync jobs: offsite backup between two Proxmox Backup Servers with API token, encryption pass-through, bandwidth limit and group filter.
TrueNAS SMART Monitoring in Grafana: Disk Health on a Dashboard
Export SMART data from TrueNAS via Prometheus and visualize it in Grafana: reallocated sectors, pending sectors, temperature, and pre-fail alerts.
WireGuard vs. OpenVPN 2026: Benchmark and Recommendation
WireGuard vs. OpenVPN 2026 benchmark: throughput, latency and CPU load measured with iperf3. Which VPN protocol fits your network?
Passkeys for SMBs: Passwordless in 2026
Passkeys, FIDO2 and WebAuthn for SMB rollout: Authentik as self-hosted IdP, YubiKey vs. Windows Hello, migration from password plus TOTP and fallback strategy.
Proxmox Host: Tuning ZFS ARC and L2ARC the Right Way
Size the ZFS ARC on Proxmox hosts correctly, deploy L2ARC where it pays off, and dodge pitfalls like prefetch or VM ballooning -- here is how.
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