Posted inNetwork
Avahi Installation Guide: Automating LAN DNS Without a Central Server
Configure Avahi on Linux to automate device discovery in a LAN via mDNS. A highly efficient alternative to manual DNS for SysAdmins and Developers.
Posted inPython
Python pyudev on Linux: Automating Data Processing for USB Plug-ins on Servers
Stop wasting time on manual USB mounting. Learn how to use Python and pyudev to professionally automate peripheral data processing workflows on Linux.
Posted inCentos
Using Boom Boot Manager on CentOS Stream 9: Managing Boot Entries and Creating Restore Points from LVM Snapshots
Boom Boot Manager lets you create and manage independent BLS boot entries in GRUB2 on CentOS Stream 9, combined with LVM Snapshots to create safe system restore points before updates. This guide covers the complete workflow: from installation and automated restore point creation to booting into a snapshot when recovery is needed.
Posted inVirtualization
86Box on Linux: Cycle-Accurate PC Hardware Emulation for Windows 9x and Legacy Applications
86Box is a chip-level vintage PC hardware emulator — covering CPUs from Intel 386 to Pentium III, Sound Blaster audio, and S3 graphics cards — enabling Windows 9x, DOS, and legacy applications that require specific hardware to run on Linux. This article compares 86Box against Wine, DOSBox, and QEMU, with practical installation and configuration guidance.
Posted inVirtualization
QEMU Monitor Console and QMP Protocol: Control, Debug, and Inject Errors into KVM VMs from the Hypervisor Layer
QEMU Monitor Console and QMP Protocol allow you to control KVM virtual machines directly from the hypervisor layer without SSH-ing into the guest OS. This guide covers connecting to the monitor, using QMP with Python for automation, and practical debugging techniques such as memory dumps, disk error injection, and network packet capture.
Posted inFedora
Installing Docker Engine on Fedora: Handling Podman Conflicts and Network Errors
Don't let Podman complicate things when you want to use Docker on Fedora. Here's how to install Docker Engine correctly, fix DNS issues, and optimize log storage.
Posted inUbuntu
Incus Installation Guide on Ubuntu 24.04: Mastering the LXD Alternative
Learn how to install Incus on Ubuntu 24.04 to manage containers and virtual machines effectively. Replace LXD with a powerful, Snap-free open-source solution.
Posted inSecurity
Time to Ditch GPG: A Guide to Using age for Ultra-Compact File Encryption on Linux
Is GPG too complex for daily encryption? Try age – a modern, compact, and secure tool using X25519, purpose-built for SysAdmins.
Posted inDatabase
Installing and Mastering EdgeDB on Linux: A Powerful SQL Alternative
Learn how to install EdgeDB on Linux and use EdgeQL to replace traditional SQL. Detailed guide from schema definition to safe migration management.
Posted inAI
LLM Production Deployment: Building a High-Performance Inference Cluster with Ray Serve
Learn how to deploy a high-performance LLM inference cluster with Ray Serve and vLLM. A practical guide to auto-scaling, GPU management, and cost optimization for production AI systems.