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Linux Network Bonding and 802.3ad LACP: Configure Link Aggregation for High Availability and Bandwidth

October 18, 2026

Eliminate single-cable network failures and bandwidth bottlenecks on Linux hosts. This guide covers how to set up IEEE 802.3ad LACP bonding with Netplan and nmcli, verify switch negotiation, and run non-disruptive failover tests.

Networking

Deploy Suricata IDS/IPS on Linux: Real-Time Traffic Analysis and Network Defense

October 18, 2026

Deploy Suricata on Linux for real-time intrusion detection and prevention. This guide covers AF_PACKET multi-threading, NFQueue inline packet dropping, custom rules, and production tuning.

Networking

Building a Stratum 1 NTP Server with GPS PPS and Chrony on Linux

October 18, 2026

Public internet NTP pools introduce clock skew that breaks distributed databases and log pipelines. Here is a battle-tested guide to building an isolated, sub-microsecond Stratum 1 NTP server on Linux with GPS PPS and Chrony.

Linux

Headless KVM/QEMU Virtualization with Virsh: CLI Virtual Machines and Bridged Networking

October 18, 2026

Deploy lean, headless KVM/QEMU virtual machines on Linux using virsh. Master command-line provisioning, bridge networking, live resource scaling, and serial console troubleshooting.

Linux

Mastering Strace on Linux: System Call Tracing to Debug Hanging Processes and Missing Files

October 17, 2026

Learn how to use strace to troubleshoot unresponsive Linux processes, track down missing configuration files, and pinpoint latency bottlenecks. This guide covers practical syscall tracing techniques, output filtering, and production debugging strategies.

Linux

Master Rsync on Linux: SSH Sync, Bandwidth Tuning, and Incremental Backups

October 17, 2026

Learn how to use rsync for reliable SSH file syncing, bandwidth management, and automated incremental backups using hard links. Includes a ready-to-use production bash script and I/O tuning tips.

HomeLab

Install Jellyfin on Docker with Intel QuickSync 4K Hardware Transcoding

October 15, 2026

Configure Jellyfin in Docker with Intel QuickSync hardware transcoding. Eliminate 100% CPU spikes, stop playback stuttering, and stream 4K HDR media smoothly on your Linux HomeLab.

Linux

Mastering Linux PAM: Setting Up SSH 2FA/MFA and Server Login Policies

October 15, 2026

A practical guide to securing Linux logins with PAM. Learn how to combine SSH keys with Google Authenticator TOTP and enforce automated lockouts using pam_faillock.

DevOps

Build a Private Mesh VPN with Headscale: Self-Host Tailscale for Linux and Kubernetes Infrastructure

October 14, 2026

Learn how to build a zero-trust private mesh VPN across multi-cloud servers and Kubernetes clusters by self-hosting Headscale as your Tailscale control plane.

Linux

Stop Linux Brute-Force Attacks with Fail2ban and Nftables

October 12, 2026

Harden your Linux servers against aggressive SSH brute-force scans. Learn how to configure Fail2ban with Nftables atomic sets for fast O(1) packet drops without CPU bottlenecks.