ITFROMZERO - Share tobe shared!

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

By IT From Zero June 11, 2026

Build your own GitHub Actions Runner with Docker to save costs, speed up builds, and gain full control over your CI/CD infrastructure. A practical guide.

Ubuntu

Guide to Building a Centralized Syslog Server: Consolidating Logs with Rsyslog and Logrotate

By IT From Zero June 11, 2026

Centralized log management is a must-have skill for SysAdmins. Learn how to configure Rsyslog and Logrotate on Ubuntu to gather logs from multiple servers efficiently and securely.

Centos

Installing WireGuard VPN on CentOS Stream 9: Superior Speed, 5-Minute Setup

By IT From Zero June 11, 2026

Install WireGuard VPN on CentOS Stream 9 with just a few simple steps. Detailed guide on server configuration, performance optimization, and troubleshooting MTU and Firewall issues.

Linux

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

By IT From Zero June 10, 2026

The advanced Linux find command lets you filter files by time, size, permissions, and multiple combined conditions. Paired with -exec or xargs, you can automate batch operations on hundreds of files with a single command — from clearing server logs to running security checks.

Virtualization

How to Install Veeam Backup & Replication for Proxmox VE Virtual Machine Backup

By IT From Zero June 10, 2026

A comparison of vzdump, Proxmox Backup Server, and Veeam to help you choose the right backup solution for your environment. Step-by-step guide to installing Veeam Backup & Replication Community Edition for free, connecting Proxmox VE, creating backup jobs, and performing Instant VM Recovery.

Monitoring

How to Install NUT (Network UPS Tools) to Monitor Your UPS and Protect Your Linux Server During Power Outages

By IT From Zero June 10, 2026

A step-by-step guide to installing and configuring NUT (Network UPS Tools) on Linux to monitor your UPS over USB and automatically shut down your server safely when the battery runs low. Covers a comparison of available solutions, full configuration walkthrough, and how to tune thresholds to avoid alert fatigue.

Security

Linux Password Auditing: Using John the Ripper and Hashcat to Hunt Down User Vulnerabilities

By IT From Zero June 10, 2026

Don't let weak passwords become a security liability. A hands-on guide to using John the Ripper and Hashcat for professional Linux system auditing.

Linux

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

By IT From Zero June 10, 2026

Stop worrying about misconfiguring system files. Learn how to use etckeeper to manage /etc with Git, allowing you to track history and restore Linux configurations in seconds.

Artificial Intelligence tutorial - IT technology blog

Mastering Phidata: Building AI Assistants with ‘Memory’ and Task Execution Capabilities

By IT From Zero June 10, 2026

Learn how to build AI Assistants with memory and automated task execution using Phidata. A lightweight alternative to LangChain.

Network

Mastering hping3: Advanced Techniques for Firewall Bypassing and Deep Network Diagnostics on Linux

By IT From Zero June 10, 2026

Don't be fooled by the Ping command. Learn how to use hping3 to craft custom packets, bypass firewalls, and perform deep network diagnostics like a pro SysAdmin.

MySQL Group Replication Tutorial: Building an Auto-Failover InnoDB Cluster

OpenSCAP Guide for Linux: Automated Scanning and CIS Benchmark Remediation

A Guide to Configuring Table Partitioning in MySQL: Boosting Large Table Performance with RANGE and LIST

How to Install and Configure Fail2ban on Linux: Block SSH and Web Server Brute-Force Attacks

Configuring kdump on Fedora Server: Capturing Kernel Panics and Analyzing Crash Dumps

Kokoro-TTS Setup and Usage Guide: Building an Offline AI Text-to-Speech System on Linux

Real-Time File Synchronization on CentOS Stream 9 with Lsyncd and Rsync: A Production-Grade Setup

How to Use Rclone on Ubuntu to Automate Data Backups to Google Drive, S3, and OneDrive

Installing and Configuring AIDE on CentOS Stream 9: File Integrity Monitoring and Tamper Detection

How to Monitor HashiCorp Vault with Prometheus and Grafana: Tracking Token Leases, Request Latency, and Unseal Status

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

Guide to Building a Centralized Syslog Server: Consolidating Logs with Rsyslog and Logrotate

Installing WireGuard VPN on CentOS Stream 9: Superior Speed, 5-Minute Setup

Advanced find Command on Linux: Filter Files by Multiple Criteria and Automate Bulk Operations with -exec and xargs

How to Install Veeam Backup & Replication for Proxmox VE Virtual Machine Backup

How to Install NUT (Network UPS Tools) to Monitor Your UPS and Protect Your Linux Server During Power Outages

Linux Password Auditing: Using John the Ripper and Hashcat to Hunt Down User Vulnerabilities

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

Mastering Phidata: Building AI Assistants with ‘Memory’ and Task Execution Capabilities

Mastering hping3: Advanced Techniques for Firewall Bypassing and Deep Network Diagnostics on Linux