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Dependency Injection in Python with Dependency Injector: Professional Code Organization for Large Projects

By admin June 13, 2026

Dependency Injection decouples class dependencies in Python, making code easier to test and maintain. This guide walks through applying the dependency-injector library — from a real-world problem to Containers, Providers, and clean unit tests that don't require a database.

Network

Self-Hosted DDNS with Cloudflare and ddclient: A Free Solution for Your Home Server

By admin June 12, 2026

Stop worrying about dynamic IP addresses with this guide to configuring ddclient and the Cloudflare API. Keep your homelab reliably connected and looking professional.

Docker

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

By admin June 11, 2026

Build your own GitHub Actions Runner with Docker to save costs, speed up builds, and gain full control over your CI/CD infrastructure. A practical guide.

Ubuntu

Guide to Building a Centralized Syslog Server: Consolidating Logs with Rsyslog and Logrotate

By admin June 11, 2026

Centralized log management is a must-have skill for SysAdmins. Learn how to configure Rsyslog and Logrotate on Ubuntu to gather logs from multiple servers efficiently and securely.

Centos

Installing WireGuard VPN on CentOS Stream 9: Superior Speed, 5-Minute Setup

By admin June 11, 2026

Install WireGuard VPN on CentOS Stream 9 with just a few simple steps. Detailed guide on server configuration, performance optimization, and troubleshooting MTU and Firewall issues.

Linux

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

By admin June 10, 2026

The advanced Linux find command lets you filter files by time, size, permissions, and multiple combined conditions. Paired with -exec or xargs, you can automate batch operations on hundreds of files with a single command — from clearing server logs to running security checks.

Virtualization

How to Install Veeam Backup & Replication for Proxmox VE Virtual Machine Backup

By admin June 10, 2026

A comparison of vzdump, Proxmox Backup Server, and Veeam to help you choose the right backup solution for your environment. Step-by-step guide to installing Veeam Backup & Replication Community Edition for free, connecting Proxmox VE, creating backup jobs, and performing Instant VM Recovery.

Monitoring

How to Install NUT (Network UPS Tools) to Monitor Your UPS and Protect Your Linux Server During Power Outages

By admin June 10, 2026

A step-by-step guide to installing and configuring NUT (Network UPS Tools) on Linux to monitor your UPS over USB and automatically shut down your server safely when the battery runs low. Covers a comparison of available solutions, full configuration walkthrough, and how to tune thresholds to avoid alert fatigue.

Security

Linux Password Auditing: Using John the Ripper and Hashcat to Hunt Down User Vulnerabilities

By admin June 10, 2026

Don't let weak passwords become a security liability. A hands-on guide to using John the Ripper and Hashcat for professional Linux system auditing.

Linux

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

By admin June 10, 2026

Stop worrying about misconfiguring system files. Learn how to use etckeeper to manage /etc with Git, allowing you to track history and restore Linux configurations in seconds.

Installing and Managing Fedora Onyx: Experience the “Immutable” OS with Budgie Desktop

Fedora AI Lab Setup Guide: Building a Professional Machine Learning Environment Without CUDA Errors

Modular Monolith with Node.js: A Lifesaver for Projects Before Considering Microservices

Design APIs Effortlessly with TypeSpec: Say Goodbye to Maintaining Thousand-Line OpenAPI Files

Stop ‘Snail-Paced’ Code with Lighthouse CI and GitHub Actions

Defeating SQL Injection in MySQL Production using ProxySQL Firewall

Automating PostgreSQL Partitioning with pg_partman: A Lifesaver for Terabyte-Scale Tables

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Dependency Injection in Python with Dependency Injector: Professional Code Organization for Large Projects

Self-Hosted DDNS with Cloudflare and ddclient: A Free Solution for Your Home Server

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

Guide to Building a Centralized Syslog Server: Consolidating Logs with Rsyslog and Logrotate

Installing WireGuard VPN on CentOS Stream 9: Superior Speed, 5-Minute Setup

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

How to Install Veeam Backup & Replication for Proxmox VE Virtual Machine Backup

How to Install NUT (Network UPS Tools) to Monitor Your UPS and Protect Your Linux Server During Power Outages

Linux Password Auditing: Using John the Ripper and Hashcat to Hunt Down User Vulnerabilities

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin