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

By admin 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 admin 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 admin 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 admin 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 admin 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 admin 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 admin 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 admin 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.

Docker

Podman Desktop: A Smooth, Secure, and Lightweight Docker Desktop Alternative

By admin June 10, 2026

Podman Desktop is the perfect Docker Desktop alternative: free, lightweight, and more secure with rootless mode. See our detailed guide for Windows and Linux.

Git

Signing Git Commits with SSH Keys: The Fastest Way to Get the “Verified” Badge

By admin June 10, 2026

Forget GPG; you can now sign Git commits lightning-fast using SSH keys. Here is a detailed guide to getting that 'Verified' badge on GitHub with simple steps.