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Monitoring tutorial - IT technology blog

Prometheus Pushgateway: Mastering Batch Job Monitoring Without Missing a Second

By IT From Zero April 27, 2026

A detailed guide on using Prometheus Pushgateway for effective Batch Job monitoring. This article shares tips to avoid Stale Metrics and correct configurations for DevOps.

Git

Git Commit Template & Conventional Commits: Stop Turning Your Git History Into a Trash Heap

By IT From Zero April 27, 2026

No more meaningless 'update code' commits. Discover how to set up Git Commit Templates and Conventional Commits to clean up your history and automate Changelogs in 5 minutes.

Virtualization

Proxmox Cluster Network Management: Stop Manually Editing Configs, Use SDN!

By IT From Zero April 27, 2026

Forget manual interface file editing! Here is a detailed guide on configuring SDN in Proxmox VE for centralized, secure, and fast VLAN and VNet management across your cluster.

VMware

Installing VMware Tools on Linux: Don’t Let Your VM Run at a Snail’s Pace

By IT From Zero April 26, 2026

Installing VMware Tools on Linux is easy if you use open-vm-tools. This guide provides detailed steps to install, fix copy-paste issues, and enable Shared Folders quickly.

Virtualization

Multipass: Create Ubuntu VMs in 30 Seconds – The Ultimate VirtualBox Alternative

By IT From Zero April 26, 2026

Multipass is a high-speed Ubuntu VM creation tool by Canonical. This guide shows how to replace heavy VirtualBox with a lightweight, native hypervisor solution.

Linux

Real-time File Monitoring with inotifywait: Effortless Automation on Linux

By IT From Zero April 26, 2026

Master real-time file and directory monitoring on Linux with inotifywait. Expert tips on avoiding infinite loops and optimizing max_user_watches for Sysadmins.

Python

Convert Python Scripts into Professional .exe Files with PyInstaller: An A-Z Guide

By IT From Zero April 26, 2026

Say goodbye to 'it works on my machine but not the boss's'. A detailed guide on packaging Python scripts into a single .exe file using PyInstaller, including tips for handling assets and optimizing file size.

Development

Goodbye Node.js? A Guide to Speeding Up JavaScript Projects 10x with Bun.js

By IT From Zero April 26, 2026

Is it time to say goodbye to Node.js? A detailed guide on using Bun.js to significantly speed up JavaScript/TypeScript development. Learn how to install, manage packages, and use the ultra-fast test runner.

Ubuntu

How to Register Ubuntu Pro for Free: 10 Years of Security, Kernel Updates Without Rebooting

By IT From Zero April 26, 2026

Learn how to activate Ubuntu Pro for free to receive 10 years of security patches. Use Livepatch to update the Kernel immediately without rebooting the server.

Artificial Intelligence tutorial - IT technology blog

Function Calling: The Key to Connecting AI with the Real World

By IT From Zero April 26, 2026

What is Function Calling? A guide to connecting OpenAI and Claude APIs with real-time data. Learn best practices for error handling, security, and cost optimization when integrating Tool Use.

Optimizing Redis RAM with HyperLogLog and Bloom Filter: Counting and Deduplicating at Scale

Building an Event-Driven Microservices System with Apache Kafka and NestJS: From Producer and Consumer to Dead Letter Queue (DLQ)

Installing and Configuring Rootless Docker: Run Docker Without Root to Protect Your Host

Configuring a PPPoE Server on Linux Using rp-pppoe for ISP Labs

A Guide to DiskCache in Python: Safe Multi-Process Disk Caching Without Redis

How to Configure Host sFlow on Linux: Real-Time Network Traffic and KVM Monitoring

Diagnosing and Resolving Deadlocks in PostgreSQL: Inspecting Lock Trees and Configuring Proper Timeouts

ESXi Host Configuration Backup and Restore with PowerCLI and ESXCLI: Saving Your Virtualization Cluster During Outages

Guide to VFIO PCIe Passthrough on Linux KVM: GPU Passthrough for Windows VMs

Integrating OpenTelemetry into Python: Practical Microservices Monitoring Strategies

Prometheus Pushgateway: Mastering Batch Job Monitoring Without Missing a Second

Git Commit Template & Conventional Commits: Stop Turning Your Git History Into a Trash Heap

Proxmox Cluster Network Management: Stop Manually Editing Configs, Use SDN!

Installing VMware Tools on Linux: Don’t Let Your VM Run at a Snail’s Pace

Multipass: Create Ubuntu VMs in 30 Seconds – The Ultimate VirtualBox Alternative

Real-time File Monitoring with inotifywait: Effortless Automation on Linux

Convert Python Scripts into Professional .exe Files with PyInstaller: An A-Z Guide

Goodbye Node.js? A Guide to Speeding Up JavaScript Projects 10x with Bun.js

How to Register Ubuntu Pro for Free: 10 Years of Security, Kernel Updates Without Rebooting

Function Calling: The Key to Connecting AI with the Real World