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Database tutorial - IT technology blog
MySQL Group Replication Tutorial: Building an Auto-Failover InnoDB Cluster
October 25, 2026
Security tutorial - IT technology blog
OpenSCAP Guide for Linux: Automated Scanning and CIS Benchmark Remediation
October 25, 2026
MySQL tutorial - IT technology blog
A Guide to Configuring Table Partitioning in MySQL: Boosting Large Table Performance with RANGE and LIST
October 25, 2026
Linux tutorial - IT technology blog
How to Install and Configure Fail2ban on Linux: Block SSH and Web Server Brute-Force Attacks
October 25, 2026
Fedora tutorial - IT technology blog
Configuring kdump on Fedora Server: Capturing Kernel Panics and Analyzing Crash Dumps
October 25, 2026
Artificial Intelligence tutorial - IT technology blog
Kokoro-TTS Setup and Usage Guide: Building an Offline AI Text-to-Speech System on Linux
October 25, 2026
Real-Time File Synchronization on CentOS Stream 9 with Lsyncd and Rsync: A Production-Grade Setup
October 25, 2026
Ubuntu tutorial - IT technology blog
How to Use Rclone on Ubuntu to Automate Data Backups to Google Drive, S3, and OneDrive
October 25, 2026
CentOS tutorial - IT technology blog
Installing and Configuring AIDE on CentOS Stream 9: File Integrity Monitoring and Tamper Detection
October 25, 2026
Monitoring tutorial - IT technology blog
How to Monitor HashiCorp Vault with Prometheus and Grafana: Tracking Token Leases, Request Latency, and Unseal Status
October 25, 2026
Monitoring tutorial - IT technology blog
Posted inMonitoring

Goodbye Nagios, Hello Icinga2: Monitoring Upgrades No Longer a ‘Nightmare’

Posted by By IT From Zero May 12, 2026
Tired of Nagios's outdated interface and messy configuration files? Discover Icinga2 – a modern monitoring solution that reduces configuration time by 90% with fast Telegram alert integration.
Read More
MySQL tutorial - IT technology blog
Posted inMySQL

MySQL 5.7 to 8.0: A Safe Upgrade Path and Pitfalls to Avoid

Posted by By IT From Zero May 12, 2026
A practical guide to safely upgrading MySQL 5.7 to 8.0. Learn how to handle authentication errors, reserved keywords, and optimize performance post-upgrade.
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Security tutorial - IT technology blog
Posted inSecurity

Hardening SSH Server Security with ssh-audit: Eliminating Weak Algorithms for 2024

Posted by By IT From Zero May 12, 2026
Don't let your server be compromised by outdated SSH algorithms. This guide shows you how to use ssh-audit to scan vulnerabilities and secure your SSH Server in just 5 minutes.
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Artificial Intelligence tutorial - IT technology blog
Posted inAI

LiteLLM Proxy Gateway: A Single API to Manage OpenAI, Anthropic, and Gemini

Posted by By IT From Zero May 11, 2026
Learn how to set up LiteLLM Proxy Gateway to centrally manage OpenAI, Anthropic, and Gemini. This solution unifies APIs, optimizes costs, and increases flexibility for AI applications.
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Fedora tutorial - IT technology blog
Posted inFedora

Mastering akmods on Fedora: Say Goodbye to Driver Breakage After Kernel Updates

Posted by By IT From Zero May 11, 2026
Lost your Nvidia or VirtualBox drivers after updating Fedora? Learn how to use akmods to automatically rebuild modules, keeping your system stable and clean.
Read More
CentOS tutorial - IT technology blog
Posted inCentos

Postfix on CentOS Stream 9: A Smooth Mail Server Setup Guide to Escape the ‘Spam Folder’ Fate

Posted by By IT From Zero May 11, 2026
Don't let your system emails be unfairly blocked. Learn how to deploy a Postfix Mail Server on CentOS Stream 9 with TLS security standards to boost reliability and protect corporate data.
Read More
Security tutorial - IT technology blog
Posted inSecurity

Preventing BadUSB on Linux with USBGuard: Don’t Let Physical Ports Be Your Achilles’ Heel

Posted by By IT From Zero May 11, 2026
Secure your Linux system against BadUSB using USBGuard. A detailed guide on setting up peripheral whitelists, creating security policies, and monitoring USB ports for SysAdmins.
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Network tutorial - IT technology blog
Posted inNetwork

Setting up a Virtual LAN with ZeroTier: Connect Servers and PCs Remotely Without Port Forwarding

Posted by By IT From Zero May 11, 2026
Connecting servers and PCs remotely has never been easier thanks to ZeroTier. Create a global virtual LAN without port forwarding or static IPs. Detailed guide on installation and P2P optimization.
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Development tutorial - IT technology blog
Posted inDevelopment

TanStack Query: Master Server State Management and Caching for React Devs

Posted by By IT From Zero May 11, 2026
Server State management is no longer a headache with TanStack Query. Discover smart Caching, automatic data syncing, and Optimistic Updates to level up your React apps.
Read More
Network tutorial - IT technology blog
Posted inNetwork

Installing SmokePing on Linux: How to Diagnose Network Jitter and Latency 24/7

Posted by By IT From Zero May 11, 2026
Network slow but ping looks fine? Install SmokePing on Linux to track latency, jitter, and packet loss 24/7. A practical guide to detailed configuration.
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