News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
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.
TrueNAS iSCSI Multipathing for VMware vSphere
Set up TrueNAS iSCSI multipathing for VMware vSphere: portal configuration, ESXi Round Robin and 10GbE link redundancy for SMB environments.
Linux systemd Timers: A Better Cron
systemd timers replace cron in the modern Linux stack: persistent timers, clean journal logging, dependencies and randomized delays.
OPNsense Suricata to Elastic Stack: SIEM for SMBs
Ship OPNsense Suricata eve.json to Elasticsearch or OpenSearch via Filebeat, build Kibana dashboards and plan realistic storage costs for SIEM.
TrueNAS ZFS Replication: Throttle Bandwidth Without Backup Gaps
Throttle TrueNAS ZFS replication the right way: combine speed_limit, pv, mbuffer and time windows without breaking your RPO or backup window.
Proxmox Snippets: Reusable Cloud-Init Config Templates
Proxmox Snippets explained: use cloud-init user-data, network-config and meta-data as reusable templates for automated VM provisioning.
TrueNAS API with Python: Automating Custom Reports
TrueNAS WebSocket and REST API with Python: generate an API key, examples for pool usage, snapshot age, SMART status. Complete script for an 80% pool alert via email.
Server Refresh: New Purchase or Upgrade?
When is a server upgrade worthwhile, when is a new purchase? Decision criteria: platform age, remaining warranty, energy efficiency, spare part availability. Examples for Dell PowerEdge and Wortmann TERRA.
Home Office IT: Securely Connecting Remote Employees
Secure home office for SMBs: VPN with OPNsense, MDM, RDP gateway, Vaultwarden, MFA with Yubikey. Configuration blueprint from laptop via VPN to terminal session.
TrueNAS Cloud Sync to Backblaze B2: Affordable Offsite Backup
TrueNAS Cloud Sync to Backblaze B2 as an offsite backup target: B2 application key, bucket setup, push mode, encryption and bandwidth management. With best practices for SMBs.
NetBird vs. Tailscale: Mesh VPN for Distributed Teams
NetBird and Tailscale in direct comparison: both run on WireGuard. Differences in self-hosting, license, control plane and use cases — plus a setup example with NetBird and OPNsense.
Authentik: Single Sign-On for Self-Hosted Services
Authentik as self-hosted SSO and identity provider: OIDC, SAML2, LDAP, MFA. Example setup with Nextcloud, GitLab and Vaultwarden — plus comparison with Authelia.
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