admin – Page 58 – ITFROMZERO

Mastering LF/CRLF Issues and Binary File Management with .gitattributes

By admin April 21, 2026

Don't let LF/CRLF line ending errors ruin your commit logs. Here's a guide to configuring .gitattributes to sync Windows and macOS environments while protecting binary files.

Ubuntu

Forgot Your Ubuntu Password? How to Reset via GRUB & Recovery Mode in 5 Minutes

By admin April 21, 2026

Forgetting your Ubuntu password is no longer a disaster. Here is a detailed guide on 2 ways to reset your password via GRUB and Recovery Mode, helping you regain control of your server in under 5 minutes.

VMware

Goodbye Patching Stress: Mastering vSphere Lifecycle Manager (vLCM) in Practice

By admin April 21, 2026

Forget risky manual ESXi updates. Discover how to use vSphere Lifecycle Manager (vLCM) to automate patching and ensure consistent driver and firmware management across VMware Clusters.

Database

Is Your PostgreSQL Disk Bloating? Pro Tips to Fix Bloat and Optimize Autovacuum

By admin April 21, 2026

PostgreSQL disk full due to Database Bloat? Learn how to optimize Autovacuum, use pg_repack, and REINDEX CONCURRENTLY to free up space without downtime.

Centos

OpenSCAP: The Automation ‘Weapon’ for PCI-DSS Security Audits on CentOS for DevOps

By admin April 21, 2026

Don't let security audits become a nightmare. Discover how to use OpenSCAP to automate vulnerability scanning and PCI-DSS compliance on CentOS/RHEL based on real-world DevOps experience.

Network

Mastering Policy-Based Routing (PBR) on Linux: Route Traffic Like a Pro

By admin April 20, 2026

Don't let backup traffic clog your main connection. A detailed guide on using Policy-Based Routing (PBR) on Linux to intelligently route traffic based on source IP and Port.

Ubuntu

i3wm on Ubuntu: Transform Your Laptop into the Ultimate Coding Machine for Developers

By admin April 20, 2026

A detailed guide on installing and configuring i3wm on Ubuntu for developers. This article shares practical tips to optimize your workspace, boost coding efficiency, and save system resources.

Artificial Intelligence tutorial - IT technology blog

Claude Agent SDK: Building Production-Ready AI Agents with Python/TypeScript

By admin April 20, 2026

Master the Claude Agent SDK to build professional AI agents. Real-world insights on optimizing latency, slashing costs by 90% with Prompt Caching, and handling production errors.

Monitoring

smartmontools Guide: Diagnosing Linux Hard Drive Issues Before Your Data Vanishes

By admin April 20, 2026

Don't let your hard drive die in silence. A detailed guide on using smartmontools to diagnose HDD/SSD health on Linux and setting up automated Telegram alerts.