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Docker tutorial - IT technology blog
Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments
June 3, 2026
VMware tutorial - IT technology blog
Hot Add CPU and RAM on VMware vSphere: Upgrade Virtual Machine Resources Without Rebooting
June 3, 2026
Docker tutorial - IT technology blog
Docker-in-Docker (DinD) vs Docker-out-of-Docker (DooD): A Practical CI/CD Runner Setup Guide
June 3, 2026
Linux tutorial - IT technology blog
Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools
June 3, 2026
Artificial Intelligence tutorial - IT technology blog
Mastering DeepSeek-R1 on Linux: Optimizing “Home-Grown” Reasoning AI for Peak Performance
June 3, 2026
Docker tutorial - IT technology blog
Dockerize WordPress: Accelerate Your MariaDB and Redis Cache Stack for Production
June 3, 2026
Python tutorial - IT technology blog
Automating File Monitoring with Python Watchdog: Stop Polling and Start Listening
June 3, 2026
Monitoring tutorial - IT technology blog
Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production
June 3, 2026
VMware tutorial - IT technology blog
Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations
June 3, 2026
Ubuntu tutorial - IT technology blog
Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu
June 3, 2026
CentOS tutorial - IT technology blog
Posted inCentos

Installing PostgreSQL 16 on CentOS Stream 9: A Survival Guide for Production Environments

Posted by By admin May 27, 2026
A production-ready guide for installing PostgreSQL 16 on CentOS Stream 9. This article focuses on SELinux, Firewalld security, and practical performance tuning tips.
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Database tutorial - IT technology blog
Posted inDatabase

Optimizing PostgreSQL Dashboards: Speed up Queries 100x with Materialized Views

Posted by By admin May 27, 2026
Discover the power of Materialized Views in PostgreSQL. An optimal solution to make dashboards load instantly by storing pre-calculated query results.
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CentOS tutorial - IT technology blog
Posted inCentos

Setting Up a Local Yum/DNF Repository: A Lifesaver for Slow Networks or Offline Environments

Posted by By admin May 27, 2026
A detailed guide on self-hosting a Local Yum/DNF Repository. An optimal solution to speed up software installation and manage Linux servers in local networks or offline environments.
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Fedora tutorial - IT technology blog
Posted inFedora

Configuring Snapper on Fedora: The Ultimate “Undo Button” Before DNF Updates

Posted by By admin May 27, 2026
Forget the fear of system failure after DNF updates. A detailed guide on configuring Snapper on Fedora to automatically create Btrfs snapshots and quickly rollback.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

Logwatch: Condense Thousands of Ubuntu Log Lines into a Daily Email Report

Posted by By admin May 27, 2026
Learn how to install Logwatch on Ubuntu to automate system log monitoring. This guide provides detailed configuration to receive daily summary reports via email, saving server administration time.
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Network tutorial - IT technology blog
Posted inNetwork

Mastering Nginx Stream Module: TCP/UDP Load Balancing for Databases, Redis, and MQTT

Posted by By admin May 27, 2026
A practical guide to using Nginx Stream Module for TCP/UDP load balancing for MySQL, Redis, and MQTT. Learn Layer 4 configuration, security optimization, and real-world troubleshooting tips.
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MySQL tutorial - IT technology blog
Posted inMySQL

MySQL 8 Resource Groups: Don’t Let a “Heavy” Query Crash Your Entire Production System

Posted by By admin May 27, 2026
Learn how to use Resource Groups in MySQL 8 to isolate CPU for heavy queries, protecting your production system from server hangs and optimizing user latency.
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Database tutorial - IT technology blog
Posted inDatabase

Barman: Professional PostgreSQL Production Backup Solution – From WAL Archive to PITR

Posted by By admin May 27, 2026
Don't let pg_dump keep you up at night. Detailed guide on using Barman for professional PostgreSQL backup management with second-precision data recovery (PITR).
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Virtualization tutorial - IT technology blog
Posted inVirtualization

Optimizing Huge Pages for Proxmox/KVM: Real-World Database Performance Tuning

Posted by By admin May 27, 2026
Accelerate Database and Redis on Proxmox by configuring Static Huge Pages. A detailed guide to reducing TLB misses and optimizing CPU performance by 10-15%.
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Network tutorial - IT technology blog
Posted inNetwork

Deploying FreeRADIUS on Linux: The Standard AAA Solution for Enterprise Wi-Fi and VPN

Posted by By admin May 26, 2026
Managing Wi-Fi and VPN with shared passwords poses many risks. This guide helps you install FreeRADIUS on Linux for personalized AAA authentication, enhancing security and professionalism.
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