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Development tutorial - IT technology blog
Building Your Own MCP Server with TypeScript: Connect AI Assistants to Internal Systems
October 22, 2026
Development tutorial - IT technology blog
Mastering TanStack Query v5 in React: Practical Server State Management, Caching, and Optimistic Updates
October 22, 2026
Ubuntu tutorial - IT technology blog
Installing ModSecurity v3 and OWASP CRS on Nginx Ubuntu: Building a Production-Ready Web Server WAF
October 22, 2026
Centralized Cloudflare Traffic and Security Monitoring with Cloudflare Exporter, Prometheus, and Grafana
October 22, 2026
Artificial Intelligence tutorial - IT technology blog
Guide to E2B Code Interpreter with Python: Building a Secure Sandbox for AI Agents
October 22, 2026
Fedora tutorial - IT technology blog
A Guide to bpftrace and BCC on Fedora: Linux Performance Analysis and Diagnostics with eBPF
October 22, 2026
MySQL tutorial - IT technology blog
Optimizing Index Merge in MySQL: Understanding Intersection, Union, and Handling Optimizer Missteps
October 22, 2026
Ubuntu tutorial - IT technology blog
How to Create Systemd Services and Systemd Timers on Ubuntu: A Robust Crontab Alternative
October 22, 2026
MySQL tutorial - IT technology blog
Configuring the FEDERATED Storage Engine in MySQL: Connect and Query Remote Tables
October 22, 2026
Artificial Intelligence tutorial - IT technology blog
SGLang on Linux Guide: Accelerate LLM Inference and Optimize RadixAttention for AI APIs
October 21, 2026
VMware tutorial - IT technology blog
Posted inVMware

How to Use the vmkfstools Command on VMware ESXi: Managing, Cloning, and Converting VMDKs from the CLI

Posted by By IT From Zero October 14, 2026
A hands-on guide to using vmkfstools on VMware ESXi: how to convert Thick disks to Thin to reclaim space, expand virtual drives, and recover broken descriptor files via SSH.
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Development tutorial - IT technology blog
Posted inDevelopment

Implementing the Saga Pattern in Microservices with Node.js: Managing Distributed Transactions

Posted by By IT From Zero October 14, 2026
A comprehensive guide to the Saga pattern architecture in microservices using Node.js. Master distributed transaction orchestration, idempotency, and resilient compensating workflows in production.
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Monitoring tutorial - IT technology blog
Posted inMonitoring

A Practical Guide to Monitoring PgBouncer Connection Pooler with Prometheus and Grafana

Posted by By IT From Zero October 14, 2026
Hands-on experience monitoring PgBouncer with Prometheus and Grafana. Learn how to track waiting queries, measure pool saturation, and craft alert rules that eliminate alert fatigue in production.
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Git tutorial - IT technology blog
Posted inGit

Using git merge-tree: Check for Conflicts in 1 Second Without Switching Branches or Stashing

Posted by By IT From Zero October 14, 2026
Use git merge-tree --write-tree to detect merge conflicts instantly in memory. Completely safe—no branch switching, no stashing, and zero working tree pollution.
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Network tutorial - IT technology blog
Posted inNetwork

How to Configure conntrackd with Keepalived on Linux: Seamless Firewall Session Synchronization

Posted by By IT From Zero October 14, 2026
Configure conntrackd alongside Keepalived to synchronize Linux conntrack tables for seamless firewall failover, preserving active TCP and SSH sessions without drops.
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Development tutorial - IT technology blog
Posted inDevelopment

Optimizing Data Analytics in Node.js with DuckDB: A Lightweight In-Process OLAP Solution

Posted by By IT From Zero October 14, 2026
When Node.js bottlenecks on aggregating large datasets, DuckDB serves as an ideal in-process solution. Learn how to query millions of Parquet and CSV records directly in sub-seconds.
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Linux tutorial - IT technology blog
Posted inLinux

Linux ZRAM Guide: Optimize Memory and Speed Up Your System with Compressed Swap

Posted by By IT From Zero October 13, 2026
ZRAM sets up a compressed swap partition directly in physical memory, helping Linux servers relieve memory exhaustion and fend off the OOM Killer without disk I/O bottlenecks.
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Monitoring tutorial - IT technology blog
Posted inMonitoring

Installing and Configuring Vector: A High-Performance Log Pipeline Alternative to Logstash

Posted by By IT From Zero October 12, 2026
A hands-on comparison of Vector vs. Logstash covering RAM, CPU usage, and log parsing. Includes a step-by-step guide to installing Vector on Linux, writing VRL pipelines to parse Nginx logs, and shipping them efficiently to Elasticsearch.
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CentOS tutorial - IT technology blog
Posted inCentos

Comprehensive Guide to Installing and Configuring Wazuh SIEM on CentOS Stream 9

Posted by By IT From Zero October 12, 2026
Battle-tested guide to deploying Wazuh SIEM on CentOS Stream 9: from a 5-minute all-in-one setup and firewalld rules to FIM alerts and automatic SSH brute-force IP blocking.
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Database tutorial - IT technology blog
Posted inDatabase

Getting Started with LanceDB: A Lightweight Embedded Vector Database for AI and Multimodal Search

Posted by By IT From Zero October 12, 2026
Struggling with high RAM usage and the operational overhead of complex vector database clusters? Discover LanceDB: an embedded, in-process, zero-server vector database that enables resource-efficient AI applications and multimodal search.
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