Posted inLinux
Mastering Linux initramfs: Custom Drivers and Boot Scripts
Don't let boot errors stop you. Learn how to inject drivers, kernel modules, and custom scripts into the Linux initramfs for both Debian and RHEL systems.
Posted inNetworking
Stop Using ifconfig: A Guide to Professional Networking with nmcli
Ditch deprecated tools like ifconfig. Learn how to use nmcli for professional Linux networking, including static IP setup, DNS management, and SSH safety tips.
Posted inNetworking
Bypassing Strict Firewalls with Chisel: A 6-Month Production Review
Is your firewall blocking everything but port 443? Here is a 6-month field report on using Chisel to tunnel TCP/UDP traffic over WebSockets with zero downtime.
Posted inSecurity
Defending Active Directory: Real-World Tactics Against PtH, Kerberoasting, and Golden Ticket Attacks
Secure your Active Directory against modern credential theft. A hands-on guide to using BloodHound for auditing, GPO hardening for PtH, and Sysmon for Kerberoasting detection.
Posted inNetworking
6 Months with Checkmk on Linux: From Infrastructure Chaos to a Single Pane of Glass
Based on 6 months of production use, this guide shows you how to replace fragmented monitoring tools with a unified Checkmk setup on Ubuntu for servers and network gear.
Posted inHomeLab
Taming the Power Bill: Optimizing Your HomeLab with Powertop and TLP
Slash your HomeLab's electricity bill. This guide covers real-world power optimization using Powertop auto-tuning, TLP configuration, and smart scheduling to reduce idle draw.
Posted inLinux
SSH ProxyJump and Bastion Hosts: A Practical Guide to Secure Linux Access
Master SSH ProxyJump to securely manage private Linux servers. This guide provides a setup walkthrough, configuration tips, and security best practices for Bastion Hosts.
Posted inLinux
Linux find and xargs: Pro-Level Batch File Processing
Master Linux find and xargs to process thousands of files without breaking your server. Learn performance-optimized techniques for searching, permissions, and parallel processing.
Posted inLinux
Stop the Linux Audio Headache: A 6-Month PipeWire Switch Report
My 6-month experience switching to PipeWire. Learn how to fix Linux audio fragmentation, achieve 5.3ms latency, and enable high-quality Bluetooth codecs like LDAC.
Posted inNetworking
Linux VRF: How to Run Multiple Independent Routing Tables on a Single Server
Tired of routing conflicts? Learn how to use Linux VRF to create multiple independent routing tables. This guide covers setup, interface assignment, and running services in isolated network contexts.