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Scraping ‘Stubborn’ Data with Playwright Python: The Ultimate Solution for JavaScript-Heavy Websites

By admin May 16, 2026

The era of BeautifulSoup for modern web is over! Discover how Playwright Python handles JavaScript-heavy sites, from infinite scrolls to using Trace Viewer for lightning-fast debugging.

MySQL

Percona XtraBackup Guide: Back up 100GB+ MySQL Databases Without System Freezes

By admin May 16, 2026

No more website crashes during MySQL backups! A detailed guide on using Percona XtraBackup for safe Hot Backups of large data without table locking.

Artificial Intelligence tutorial - IT technology blog

Extracting Data from LLMs: Stop Manual JSON Parsing, Use Instructor Instead

By admin May 15, 2026

Stop worrying about JSON parsing errors with LLMs. Learn how to use Instructor to extract structured data accurately, reliably, and cost-effectively for Python projects.

Monitoring

Redis Monitoring: Don’t Wait for RAM to Exhaust Before Taking Action! (Prometheus + Redis Exporter)

By admin May 15, 2026

Don't wait until Redis runs out of RAM. Here's a detailed guide on setting up comprehensive monitoring with Prometheus and Redis Exporter to protect your system.

Linux

ShellCheck Pro Tips: Fix Bash Scripts in 5 Minutes and Stop Worrying About Server Crashes

By admin May 15, 2026

Stop worrying about Bash scripts causing production failures. Discover how ShellCheck helps you catch logic bugs, security issues, and optimize Linux code in minutes.

Network

Monitor Linux Networks with ntopng: No More ‘Looking for a Needle in a Haystack’ During Lag

By admin May 15, 2026

Forget dry netstat commands. This guide helps you install ntopng on Linux for visual network monitoring, catching every IP causing bandwidth congestion.

Monitoring

btop Installation Guide on Linux: Bringing a Fancy Dashboard to Your Terminal

By admin May 15, 2026

Install btop to replace htop on Linux. A powerful resource monitoring tool with a smooth C++ dashboard interface, mouse support, and intuitive visual graphs.

VMware

VMware Linked Clones: The Secret to Deploying 10 VMs in 5 Minutes Without Running Out of Disk Space

By admin May 15, 2026

Forget about disk space worries when building IT Labs. Linked Clones technique allows you to create dozens of VMs from a single parent, saving 90% storage and setup time.

MySQL

ALTER TABLE on Large MySQL Tables Without Downtime: A Guide to pt-online-schema-change

By admin May 15, 2026

Don't let ALTER TABLE crash your system. Learn how to use pt-online-schema-change to modify large MySQL tables safely, smoothly, and without downtime.

Building Your Own Mail Server with Postfix and Dovecot on Ubuntu 22.04: Take Full Control of Your Mail Flow

CentOS 7 to AlmaLinux/Rocky Linux Upgrade Guide using ELevate: Fast, Efficient, No Reinstall Needed

Eliminate ‘Noisy Neighbor’ Issues with VMware SIOC: Protecting Bandwidth for Critical VMs

Handling IOMMU Groups with ACS Override Patch: The Ultimate GPU Passthrough Trick for Budget Motherboards

Optimizing Proxmox: How to Create a ‘Gold Standard’ LXC Template for Mass Deployment in 30 Seconds

Optimizing PHP 8.3 on Ubuntu 24.04: Don’t Let Your Server Run Like a Snail

Mastering Python functools: Writing Better, Faster Code

Fixing SELinux Errors on Fedora for Good: Use setroubleshoot and audit2allow Instead of Disabling It

Build Your Own High-Performance, Low-Cost Git Server with Gitea on Fedora: Maximum Security with SELinux

Configuring Multi-WAN Failover on Linux: A “Never-Down” Internet Solution with Keepalived

Scraping ‘Stubborn’ Data with Playwright Python: The Ultimate Solution for JavaScript-Heavy Websites

Percona XtraBackup Guide: Back up 100GB+ MySQL Databases Without System Freezes

Extracting Data from LLMs: Stop Manual JSON Parsing, Use Instructor Instead

Redis Monitoring: Don’t Wait for RAM to Exhaust Before Taking Action! (Prometheus + Redis Exporter)

ShellCheck Pro Tips: Fix Bash Scripts in 5 Minutes and Stop Worrying About Server Crashes

Monitor Linux Networks with ntopng: No More ‘Looking for a Needle in a Haystack’ During Lag

btop Installation Guide on Linux: Bringing a Fancy Dashboard to Your Terminal

VMware Linked Clones: The Secret to Deploying 10 VMs in 5 Minutes Without Running Out of Disk Space

ALTER TABLE on Large MySQL Tables Without Downtime: A Guide to pt-online-schema-change