Syncing two local directories with lsyncd
June 26, 2026
Use lsyncd to automatically mirror your boot partition for redundancy
Technical Posts
A collection of technical guides, tutorials, and reference materials focused on Linux system administration, infrastructure management, and DevOps practices. Topics include ZFS storage management, SSH security and automation, Gentoo Linux configuration, container orchestration with Incus, network administration, and shell scripting techniques.
Browse by topic using the tags below each post, or explore the complete archive chronologically.
Extract initramfs data
June 23, 2026
Extract initramfs contents to recover encryption keys and unlock LUKS volumes for ZFS pool import
Simple Xorg
June 20, 2026
Set up a minimal Xorg environment on Gentoo for testing your graphical setup
Docker on LXC/LXD
June 17, 2026
Running Docker inside LXC/LXD containers with ZFS storage backend
Installing LXDUI
June 14, 2026
Install LXDUI web interface for managing LXD containers on Gentoo
Container fails with cgroup error
June 11, 2026
Fix cgroup mount errors when running a systemd container on an OpenRC host
IRedMail Installation
June 8, 2026
Step-by-step guide to installing iRedMail with proper DNS configuration for email deliverability
Setting up fail2ban
June 5, 2026
Protect your server from brute force attacks by installing and monitoring fail2ban
Reserved Network Ranges Beyond 192.168.x.x
June 2, 2026
Complete guide to private IP ranges (10.x, 172.16-31.x, 192.168.x) and documentation addresses (203.0.113.x), including VPN collision avoidance and vendor defaults
Getting and Setting Incus Mac Addresses
May 30, 2026
View and configure MAC addresses for Incus containers, including a script to generate random virtual MAC addresses