News & Blog
Latest news from the world of IT. TrueNAS, Proxmox, OPNsense and more.
Linux Logrotate: Log Management and Rotation Strategies for Servers
Configure logrotate: rotation strategies (daily, weekly, size), compress, copytruncate, postrotate scripts, Systemd Journal, and server best practices.
ZFS ARC and L2ARC: Cache Tuning for Maximum Storage Performance
Understand and tune ZFS ARC in RAM and L2ARC on SSD: arc_max, arc_min, L2ARC sizing, monitoring with arc_summary, and when L2ARC actually helps.
OPNsense + Zenarmor: Next-Generation Firewall with Application Control
Set up Zenarmor (Sunny Valley) on OPNsense: Application Control, Web Filtering, TLS Inspection, and Reporting. Free vs Business Edition comparison.
QEMU Guest Agent in Proxmox VE: Installation, Features, and Troubleshooting
Install and configure the QEMU Guest Agent on Linux and Windows: consistent snapshots, IP display, clean shutdown, and troubleshooting in Proxmox VE.
TrueNAS SCALE Virtualization: Docker, LXC, and KVM Done Right
Docker containers, LXC, and KVM VMs on TrueNAS SCALE: when to use which method, resource limits, networking, GPU passthrough, and sandboxing best practices.
Vaultwarden: Self-Hosted Password Manager for Teams
Run Vaultwarden as a self-hosted password manager: Docker deployment, reverse proxy, SMTP, 2FA enforcement, and backup strategy — the complete guide for teams.
Fail2ban: Automating Brute-Force Protection for Linux Servers
Install and configure Fail2ban: log parsing, jail.local, protecting SSH, Nginx, Postfix, and Dovecot, whitelists, email alerts, and a comparison with CrowdSec, sshguard, and CSF.
TrueNAS Dataset Encryption: ZFS Encryption in Practice
Understanding and implementing TrueNAS ZFS Encryption: dataset vs. pool encryption, passphrase vs. key file, key management, and performance impact with AES-NI.
Proxmox Storage Types Compared: LVM, ZFS, Ceph, NFS, and iSCSI
LVM, ZFS, Ceph, NFS, or iSCSI? All Proxmox storage types compared: features, performance, HA support, and recommendations for every use case.
Proxmox Firewall: VM Isolation and Microsegmentation for Businesses
Set up Proxmox Firewall for VM isolation: security groups, IP sets, microsegmentation, and practical rule examples — protect your virtual machines at the hypervisor level.
TrueNAS ZFS Replication: Offsite Disaster Recovery Between Sites
ZFS replication with TrueNAS for offsite DR: send/receive, SSH encryption, bandwidth throttling, RPO/RTO planning, and failover testing — the complete guide.
OPNsense Unbound DNS: Local Resolver with Blocklists
Set up Unbound DNS on OPNsense: local resolver with DNS over TLS, DNSSEC, and blocklists for ad and malware blocking — configuration, tuning, and monitoring.
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