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Virtualization tutorial - IT technology blog

Installing Waydroid on Ubuntu: Run Android as Smoothly as a Native App with Containers

By admin May 12, 2026

Forget heavy Android emulators. This guide helps you install Waydroid on Ubuntu—a lightweight, smooth, and resource-efficient solution via LXC containers.

Virtualization

Vagrant & Ansible: The Perfect Duo for Eliminating Environment Mismatches

By admin May 12, 2026

Forget about environment mismatches between dev and production. This guide shows you how to combine Vagrant and Ansible to automate server setup with a single command.

Ubuntu

BorgBackup on Ubuntu: ‘Super-Compressed’ Backup Solution and Secure Encryption for Sysadmins

By admin May 12, 2026

Guide to installing BorgBackup on Ubuntu. A smart backup solution that saves 90% storage space through Deduplication and provides absolute security with AES-256 encryption.

Git

Git Grep & Git Log -S (Pickaxe): Search Through Old Code in a Flash

By admin May 12, 2026

Thousands of files making VS Code freeze every time you search? Discover the power of git grep and Pickaxe to find code and trace history in an instant.

Monitoring

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

By admin 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Tired of Nagios's outdated interface and messy configuration files?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.

MySQL

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

By admin 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.

Security

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

By admin 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Don't let your server be compromised by outdated SSH algorithms.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.

Artificial Intelligence tutorial - IT technology blog

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

By admin 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.

Fedora

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

By admin 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.

Centos

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

By admin 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.

Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments

Hot Add CPU and RAM on VMware vSphere: Upgrade Virtual Machine Resources Without Rebooting

Docker-in-Docker (DinD) vs Docker-out-of-Docker (DooD): A Practical CI/CD Runner Setup Guide

Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools

Mastering DeepSeek-R1 on Linux: Optimizing “Home-Grown” Reasoning AI for Peak Performance

Dockerize WordPress: Accelerate Your MariaDB and Redis Cache Stack for Production

Automating File Monitoring with Python Watchdog: Stop Polling and Start Listening

Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production

Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

Installing Waydroid on Ubuntu: Run Android as Smoothly as a Native App with Containers

Vagrant & Ansible: The Perfect Duo for Eliminating Environment Mismatches

BorgBackup on Ubuntu: ‘Super-Compressed’ Backup Solution and Secure Encryption for Sysadmins

Git Grep & Git Log -S (Pickaxe): Search Through Old Code in a Flash

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

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

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

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

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

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