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MySQL Server Security: Essential Steps to Protect Production Data

By admin March 13, 2026

MySQL server security is vital for protecting production data. This article compares security methods, from basic configuration to SSL/TLS implementation and firewalls. It provides detailed steps to ensure the safety of your database.

Artificial Intelligence tutorial - IT technology blog

Building a Multi-Platform AI Chatbot: Integrating Telegram, Slack, and Discord

By admin March 13, 2026

This article guides you through building a multi-platform AI chatbot, seamlessly integrating with Telegram, Slack, and Discord using Python. You'll learn about modular architecture, platform configuration, and practical deployment for an intelligent, time-saving, and performance-optimized chatbot.

Virtualization

Automate Virtual Machine Deployment on Proxmox/KVM with Cloud-Init: Create Templates and Customize on First Boot

By admin March 13, 2026

Discover Cloud-Init on Proxmox/KVM: The solution for automating virtual machine deployment and configuration from the first boot. Save time, reduce errors, and increase consistency for your homelab infrastructure.

Security

Optimizing Secure Management of Secrets, API Keys, and Credentials on Linux with HashiCorp Vault

By admin March 13, 2026

Managing secrets like API keys and credentials is a major challenge for many IT engineers. HashiCorp Vault offers a powerful solution to address this problem. This article guides you through installing, configuring, and using Vault on Linux, helping to maximize the protection of sensitive data.

Virtualization

How to Configure Nested Virtualization on Proxmox VE: Running Hypervisors (ESXi, KVM) Inside Virtual Machines for Complex Lab Setups

By admin March 12, 2026

Create complex virtual labs like vCenter, Kubernetes clusters with Nested Virtualization on Proxmox VE. This article provides a step-by-step guide to enabling this feature, allowing you to run ESXi or KVM inside virtual machines to maximize existing hardware resources.

Git

Git Stash: A Quick Solution When Urgent Issues Interrupt Unfinished Work

By admin March 12, 2026

Deep in coding, but your boss calls with an urgent production bug? Git stash is the tool to temporarily save your work without committing, keeping your branch clean to handle emergencies. This article provides a detailed guide on using git stash, from basic to advanced commands, helping you master this essential tool.

MySQL

Setting Up and Configuring ProxySQL: A Connection Pooler and Load Balancer Solution for MySQL Production

By admin March 12, 2026

ProxySQL is a powerful connection pooler and load balancer that optimizes performance and stability for MySQL production. This article provides a guide to basic and advanced installation and configuration, along with practical tips for effective ProxySQL deployment, addressing connection management and load distribution issues.

Network

Basic Network Knowledge for SysAdmins: IP, Subnet, Gateway – Indispensable Foundations

By admin March 12, 2026

This article delves into three foundational concepts of computer networking: IP Address, Subnet Mask, and Gateway. You'll understand how they work, why they're crucial for SysAdmins, and how to configure them on Linux, along with practical experiences from a SysAdmin managing office and datacenter networks.

Fedora

Configuring Btrfs Subvolumes on Fedora: Optimizing Space and Rapid System Recovery

By admin March 11, 2026

This article provides detailed instructions on configuring and managing Btrfs subvolumes on Fedora. Learn to create and manage snapshots for system rollbacks and optimize disk space, ensuring stability and flexibility for IT workflows.

Security

Hashing and Data Encoding: MD5, SHA-256, Base64, and Their Applications in IT Security

By admin March 11, 2026

In the IT world, data security is crucial. This article shares practical experiences with common vulnerabilities and how concepts like Hashing, MD5, SHA-256, and Base64 help protect critical information. A detailed guide from theory to practice.

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MySQL Server Security: Essential Steps to Protect Production Data

Building a Multi-Platform AI Chatbot: Integrating Telegram, Slack, and Discord

Optimizing Secure Management of Secrets, API Keys, and Credentials on Linux with HashiCorp Vault

How to Configure Nested Virtualization on Proxmox VE: Running Hypervisors (ESXi, KVM) Inside Virtual Machines for Complex Lab Setups

Git Stash: A Quick Solution When Urgent Issues Interrupt Unfinished Work

Setting Up and Configuring ProxySQL: A Connection Pooler and Load Balancer Solution for MySQL Production

Basic Network Knowledge for SysAdmins: IP, Subnet, Gateway – Indispensable Foundations

Configuring Btrfs Subvolumes on Fedora: Optimizing Space and Rapid System Recovery

Hashing and Data Encoding: MD5, SHA-256, Base64, and Their Applications in IT Security